diff options
Diffstat (limited to 'arch')
95 files changed, 1477 insertions, 2063 deletions
diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c index bd03dc94c72..026ba9af6d6 100644 --- a/arch/alpha/kernel/module.c +++ b/arch/alpha/kernel/module.c @@ -119,8 +119,7 @@ module_frob_arch_sections(Elf64_Ehdr *hdr, Elf64_Shdr *sechdrs, } nsyms = symtab->sh_size / sizeof(Elf64_Sym); - chains = kmalloc(nsyms * sizeof(struct got_entry), GFP_KERNEL); - memset(chains, 0, nsyms * sizeof(struct got_entry)); + chains = kcalloc(nsyms, sizeof(struct got_entry), GFP_KERNEL); got->sh_size = 0; got->sh_addralign = 8; diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index 449e76f118d..fe13daa5cb2 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -3,7 +3,7 @@ OUTPUT_FORMAT("elf64-alpha") OUTPUT_ARCH(alpha) ENTRY(__start) -PHDRS { kernel PT_LOAD ; } +PHDRS { kernel PT_LOAD; note PT_NOTE; } jiffies = jiffies_64; SECTIONS { @@ -28,6 +28,9 @@ SECTIONS __ex_table : { *(__ex_table) } __stop___ex_table = .; + NOTES :kernel :note + .dummy : { *(.dummy) } :kernel + RODATA /* Will be freed after init */ @@ -69,10 +72,7 @@ SECTIONS . = ALIGN(8); SECURITY_INIT - . = ALIGN(8192); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(8192) . = ALIGN(2*8192); __init_end = .; diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c index f5862792a16..a0e18da594d 100644 --- a/arch/alpha/mm/fault.c +++ b/arch/alpha/mm/fault.c @@ -148,21 +148,17 @@ do_page_fault(unsigned long address, unsigned long mmcsr, the fault. */ fault = handle_mm_fault(mm, vma, address, cause > 0); up_read(&mm->mmap_sem); - - switch (fault) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; return; /* Something tried to access memory that isn't in our memory map. diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 2b7a8f5d8cf..5ff5406666b 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -66,6 +66,7 @@ SECTIONS . = ALIGN(4096); __per_cpu_start = .; *(.data.percpu) + *(.data.percpu.shared_aligned) __per_cpu_end = .; #ifndef CONFIG_XIP_KERNEL __init_begin = _stext; diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c index 9d63d7f260c..99d94cb1baf 100644 --- a/arch/arm/mach-iop13xx/pci.c +++ b/arch/arm/mach-iop13xx/pci.c @@ -1002,11 +1002,10 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys) if (nr > 1) return 0; - res = kmalloc(sizeof(struct resource) * 2, GFP_KERNEL); + res = kcalloc(2, sizeof(struct resource), GFP_KERNEL); if (!res) panic("PCI: unable to alloc resources"); - memset(res, 0, sizeof(struct resource) * 2); /* 'nr' assumptions: * ATUX is always 0 diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 75d491448e4..c04124a095c 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -183,20 +183,20 @@ good_area: */ survive: fault = handle_mm_fault(mm, vma, addr & PAGE_MASK, fsr & (1 << 11)); - - /* - * Handle the "normal" cases first - successful and sigbus - */ - switch (fault) { - case VM_FAULT_MAJOR: + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + return fault; + BUG(); + } + if (fault & VM_FAULT_MAJOR) tsk->maj_flt++; - return fault; - case VM_FAULT_MINOR: + else tsk->min_flt++; - case VM_FAULT_SIGBUS: - return fault; - } + return fault; +out_of_memory: if (!is_init(tsk)) goto out; @@ -249,7 +249,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) /* * Handle the "normal" case first - VM_FAULT_MAJOR / VM_FAULT_MINOR */ - if (fault >= VM_FAULT_MINOR) + if (likely(!(fault & VM_FAULT_ERROR))) return 0; /* @@ -259,8 +259,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) if (!user_mode(regs)) goto no_context; - switch (fault) { - case VM_FAULT_OOM: + if (fault & VM_FAULT_OOM) { /* * We ran out of memory, or some other thing * happened to us that made us unable to handle @@ -269,17 +268,15 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) printk("VM: killing process %s\n", tsk->comm); do_exit(SIGKILL); return 0; - - case VM_FAULT_SIGBUS: + } + if (fault & VM_FAULT_SIGBUS) { /* * We had some memory, but were unable to * successfully fix up this page fault. */ sig = SIGBUS; code = BUS_ADRERR; - break; - - default: + } else { /* * Something tried to access memory that * isn't in our memory map.. @@ -287,7 +284,6 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) sig = SIGSEGV; code = fault == VM_FAULT_BADACCESS ? SEGV_ACCERR : SEGV_MAPERR; - break; } __do_user_fault(tsk, addr, fsr, sig, code, regs); diff --git a/arch/arm26/mm/fault.c b/arch/arm26/mm/fault.c index 93c0cee0fb5..dec638a0c8d 100644 --- a/arch/arm26/mm/fault.c +++ b/arch/arm26/mm/fault.c @@ -170,20 +170,20 @@ good_area: */ survive: fault = handle_mm_fault(mm, vma, addr & PAGE_MASK, DO_COW(fsr)); - - /* - * Handle the "normal" cases first - successful and sigbus - */ - switch (fault) { - case VM_FAULT_MAJOR: + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + return fault; + BUG(); + } + if (fault & VM_FAULT_MAJOR) tsk->maj_flt++; - return fault; - case VM_FAULT_MINOR: + else tsk->min_flt++; - case VM_FAULT_SIGBUS: - return fault; - } + return fault; +out_of_memory: fault = -3; /* out of memory */ if (!is_init(tsk)) goto out; @@ -225,13 +225,11 @@ int do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) /* * Handle the "normal" case first */ - switch (fault) { - case VM_FAULT_MINOR: - case VM_FAULT_MAJOR: + if (likely(!(fault & VM_FAULT_ERROR))) return 0; - case VM_FAULT_SIGBUS: + if (fault & VM_FAULT_SIGBUS) goto do_sigbus; - } + /* else VM_FAULT_OOM */ /* * If we are in kernel mode at this point, we diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c index 4b2495285d9..ae2d2c593b2 100644 --- a/arch/avr32/mm/fault.c +++ b/arch/avr32/mm/fault.c @@ -64,6 +64,7 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) int writeaccess; long signr; int code; + int fault; if (notify_page_fault(regs, ecr)) return; @@ -132,20 +133,18 @@ good_area: * fault. */ survive: - switch (handle_mm_fault(mm, vma, address, writeaccess)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, writeaccess); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/blackfin/mm/blackfin_sram.c b/arch/blackfin/mm/blackfin_sram.c index 16c6169ed01..b99ea883cd2 100644 --- a/arch/blackfin/mm/blackfin_sram.c +++ b/arch/blackfin/mm/blackfin_sram.c @@ -521,10 +521,9 @@ void *sram_alloc_with_lsl(size_t size, unsigned long flags) struct sram_list_struct *lsl = NULL; struct mm_struct *mm = current->mm; - lsl = kmalloc(sizeof(struct sram_list_struct), GFP_KERNEL); + lsl = kzalloc(sizeof(struct sram_list_struct), GFP_KERNEL); if (!lsl) return NULL; - memset(lsl, 0, sizeof(*lsl)); if (flags & L1_INST_SRAM) addr = l1_inst_sram_alloc(size); diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c index d47cfbf98d6..1de0026bb94 100644 --- a/arch/cris/arch-v10/drivers/pcf8563.c +++ b/arch/cris/arch-v10/drivers/pcf8563.c @@ -180,9 +180,7 @@ err: void __exit pcf8563_exit(void) { - if (unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME) < 0) { - printk(KERN_INFO "%s: Unable to unregister device.\n", PCF8563_NAME); - } + unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME); } /* diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c index fa8d50007e4..da479a14f83 100644 --- a/arch/cris/arch-v32/drivers/pcf8563.c +++ b/arch/cris/arch-v32/drivers/pcf8563.c @@ -193,9 +193,7 @@ err: void __exit pcf8563_exit(void) { - if (unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME) < 0) { - printk(KERN_INFO "%s: Unable to unregister device.\n", PCF8563_NAME); - } + unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME); } /* diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c index 832fc63504d..66f9500fbc0 100644 --- a/arch/cris/arch-v32/drivers/pci/dma.c +++ b/arch/cris/arch-v32/drivers/pci/dma.c @@ -91,14 +91,12 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, if (!mem_base) goto out; - dev->dma_mem = kmalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL); + dev->dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL); if (!dev->dma_mem) goto out; - memset(dev->dma_mem, 0, sizeof(struct dma_coherent_mem)); - dev->dma_mem->bitmap = kmalloc(bitmap_size, GFP_KERNEL); + dev->dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL); if (!dev->dma_mem->bitmap) goto free1_out; - memset(dev->dma_mem->bitmap, 0, bitmap_size); dev->dma_mem->virt_base = mem_base; dev->dma_mem->device_base = device_addr; diff --git a/arch/cris/arch-v32/vmlinux.lds.S b/arch/cris/arch-v32/vmlinux.lds.S index dfa25e1542b..651a77f2ccc 100644 --- a/arch/cris/arch-v32/vmlinux.lds.S +++ b/arch/cris/arch-v32/vmlinux.lds.S @@ -91,10 +91,7 @@ SECTIONS } SECURITY_INIT - . = ALIGN (8192); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(8192) #ifdef CONFIG_BLK_DEV_INITRD .init.ramfs : { diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c index c73e91f1299..8672ab7d797 100644 --- a/arch/cris/mm/fault.c +++ b/arch/cris/mm/fault.c @@ -179,6 +179,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs, struct mm_struct *mm; struct vm_area_struct * vma; siginfo_t info; + int fault; D(printk("Page fault for %lX on %X at %lX, prot %d write %d\n", address, smp_processor_id(), instruction_pointer(regs), @@ -283,18 +284,18 @@ do_page_fault(unsigned long address, struct pt_regs *regs, * the fault. */ - switch (handle_mm_fault(mm, vma, address, writeaccess & 1)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - default: - goto out_of_memory; + fault = handle_mm_fault(mm, vma, address, writeaccess & 1); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/frv/Makefile b/arch/frv/Makefile index 038e3a8457e..9bf7345c5cc 100644 --- a/arch/frv/Makefile +++ b/arch/frv/Makefile @@ -88,7 +88,7 @@ ASFLAGS += -mno-fdpic # make sure the .S files get compiled with debug info # and disable optimisations that are unhelpful whilst debugging ifdef CONFIG_DEBUG_INFO -CFLAGS += -O1 +#CFLAGS += -O1 AFLAGS += -Wa,--gdwarf2 ASFLAGS += -Wa,--gdwarf2 endif diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S index 481dc137464..3b71e0c8639 100644 --- a/arch/frv/kernel/vmlinux.lds.S +++ b/arch/frv/kernel/vmlinux.lds.S @@ -57,10 +57,7 @@ SECTIONS __alt_instructions_end = .; .altinstr_replacement : { *(.altinstr_replacement) } - . = ALIGN(4096); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(4096) #ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c index 3f12296c368..6798fa0257b 100644 --- a/arch/frv/mm/fault.c +++ b/arch/frv/mm/fault.c @@ -40,6 +40,7 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear pud_t *pue; pte_t *pte; int write; + int fault; #if 0 const char *atxc[16] = { @@ -162,18 +163,18 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear * make sure we exit gracefully rather than endlessly redo * the fault. */ - switch (handle_mm_fault(mm, vma, ear0, write)) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - default: - goto out_of_memory; + fault = handle_mm_fault(mm, vma, ear0, write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/i386/kernel/acpi/sleep.c b/arch/i386/kernel/acpi/sleep.c index 4ee83577bf6..c42b5ab49de 100644 --- a/arch/i386/kernel/acpi/sleep.c +++ b/arch/i386/kernel/acpi/sleep.c @@ -14,7 +14,7 @@ /* address in low memory of the wakeup routine. */ unsigned long acpi_wakeup_address = 0; -unsigned long acpi_video_flags; +unsigned long acpi_realmode_flags; extern char wakeup_start, wakeup_end; extern unsigned long FASTCALL(acpi_copy_wakeup_routine(unsigned long)); @@ -68,9 +68,11 @@ static int __init acpi_sleep_setup(char *str) { while ((str != NULL) && (*str != '\0')) { if (strncmp(str, "s3_bios", 7) == 0) - acpi_video_flags = 1; + acpi_realmode_flags |= 1; if (strncmp(str, "s3_mode", 7) == 0) - acpi_video_flags |= 2; + acpi_realmode_flags |= 2; + if (strncmp(str, "s3_beep", 7) == 0) + acpi_realmode_flags |= 4; str = strchr(str, ','); if (str != NULL) str += strspn(str, ", \t"); @@ -80,9 +82,11 @@ static int __init acpi_sleep_setup(char *str) __setup("acpi_sleep=", acpi_sleep_setup); +/* Ouch, we want to delete this. We already have better version in userspace, in + s2ram from suspend.sf.net project */ static __init int reset_videomode_after_s3(struct dmi_system_id *d) { - acpi_video_flags |= 2; + acpi_realmode_flags |= 2; return 0; } diff --git a/arch/i386/kernel/acpi/wakeup.S b/arch/i386/kernel/acpi/wakeup.S index a2295a34b2c..ed0a0f2c159 100644 --- a/arch/i386/kernel/acpi/wakeup.S +++ b/arch/i386/kernel/acpi/wakeup.S @@ -13,6 +13,21 @@ # cs = 0x1234, eip = 0x05 # +#define BEEP \ + inb $97, %al; \ + outb %al, $0x80; \ + movb $3, %al; \ + outb %al, $97; \ + outb %al, $0x80; \ + movb $-74, %al; \ + outb %al, $67; \ + outb %al, $0x80; \ + movb $-119, %al; \ + outb %al, $66; \ + outb %al, $0x80; \ + movb $15, %al; \ + outb %al, $66; + ALIGN .align 4096 ENTRY(wakeup_start) @@ -31,6 +46,11 @@ wakeup_code: movw %cs, %ax movw %ax, %ds # Make ds:0 point to wakeup_start movw %ax, %ss + + testl $4, realmode_flags - wakeup_code + jz 1f + BEEP +1: mov $(wakeup_stack - wakeup_code), %sp # Private stack is needed for ASUS board movw $0x0e00 + 'S', %fs:(0x12) @@ -41,7 +61,7 @@ wakeup_code: cmpl $0x12345678, %eax jne bogus_real_magic - testl $1, video_flags - wakeup_code + testl $1, realmode_flags - wakeup_code jz 1f lcall $0xc000,$3 movw %cs, %ax @@ -49,7 +69,7 @@ wakeup_code: movw %ax, %ss 1: - testl $2, video_flags - wakeup_code + testl $2, realmode_flags - wakeup_code jz 1f mov video_mode - wakeup_code, %ax call mode_set @@ -88,7 +108,11 @@ wakeup_code: cmpl $0x12345678, %eax jne bogus_real_magic - ljmpl $__KERNEL_CS,$wakeup_pmode_return + testl $8, realmode_flags - wakeup_code + jz 1f + BEEP +1: + ljmpl $__KERNEL_CS, $wakeup_pmode_return real_save_gdt: .word 0 .long 0 @@ -97,7 +121,8 @@ real_save_cr3: .long 0 real_save_cr4: .long 0 real_magic: .long 0 video_mode: .long 0 -video_flags: .long 0 +realmode_flags: .long 0 +beep_flags: .long 0 real_efer_save_restore: .long 0 real_save_efer_edx: .long 0 real_save_efer_eax: .long 0 @@ -260,8 +285,8 @@ ENTRY(acpi_copy_wakeup_routine) movl saved_videomode, %edx movl %edx, video_mode - wakeup_start (%eax) - movl acpi_video_flags, %edx - movl %edx, video_flags - wakeup_start (%eax) + movl acpi_realmode_flags, %edx + movl %edx, realmode_flags - wakeup_start (%eax) movl $0x12345678, real_magic - wakeup_start (%eax) movl $0x12345678, saved_magic popl %ebx diff --git a/arch/i386/kernel/asm-offsets.c b/arch/i386/kernel/asm-offsets.c index 25f7eb51392..7288ac88d74 100644 --- a/arch/i386/kernel/asm-offsets.c +++ b/arch/i386/kernel/asm-offsets.c @@ -19,6 +19,11 @@ #include <xen/interface/xen.h> +#ifdef CONFIG_LGUEST_GUEST +#include <linux/lguest.h> +#include "../../../drivers/lguest/lg.h" +#endif + #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) @@ -124,4 +129,19 @@ void foo(void) OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); #endif + +#ifdef CONFIG_LGUEST_GUEST + BLANK(); + OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled); + OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc); + OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc); + OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3); + OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp); + OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc); + OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc); + OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt); + OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum); + OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode); + OFFSET(LGUEST_PAGES_regs, lguest_pages, regs); +#endif } diff --git a/arch/i386/kernel/init_task.c b/arch/i386/kernel/init_task.c index cff95d10a4d..d26fc063a76 100644 --- a/arch/i386/kernel/init_task.c +++ b/arch/i386/kernel/init_task.c @@ -42,5 +42,5 @@ EXPORT_SYMBOL(init_task); * per-CPU TSS segments. Threads are completely 'soft' on Linux, * no more per-task TSS's. */ -DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS; +DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS; diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index d2daf672f4a..ba44d40b066 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -21,7 +21,7 @@ #include <asm/apic.h> #include <asm/uaccess.h> -DEFINE_PER_CPU(irq_cpustat_t, irq_stat) ____cacheline_internodealigned_in_smp; +DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); EXPORT_PER_CPU_SYMBOL(irq_stat); DEFINE_PER_CPU(struct pt_regs *, irq_regs); diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index d32fd4b6f78..3e7753c78b9 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -41,6 +41,10 @@ #include <linux/mca.h> #endif +#if defined(CONFIG_EDAC) +#include <linux/edac.h> +#endif + #include <asm/processor.h> #include <asm/system.h> #include <asm/io.h> @@ -638,6 +642,14 @@ mem_parity_error(unsigned char reason, struct pt_regs * regs) printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on " "CPU %d.\n", reason, smp_processor_id()); printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n"); + +#if defined(CONFIG_EDAC) + if(edac_handler_set()) { + edac_atomic_assert_error(); + return; + } +#endif + if (panic_on_unrecovered_nmi) panic("NMI: Not continuing"); @@ -1056,6 +1068,7 @@ asmlinkage void math_state_restore(void) thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ tsk->fpu_counter++; } +EXPORT_SYMBOL_GPL(math_state_restore); #ifndef CONFIG_MATH_EMULATION diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c index 252f9010f28..debd7dbb415 100644 --- a/arch/i386/kernel/tsc.c +++ b/arch/i386/kernel/tsc.c @@ -27,6 +27,7 @@ static int tsc_enabled; * an extra value to store the TSC freq */ unsigned int tsc_khz; +EXPORT_SYMBOL_GPL(tsc_khz); int tsc_disable; @@ -58,10 +59,11 @@ __setup("notsc", tsc_setup); */ static int tsc_unstable; -static inline int check_tsc_unstable(void) +int check_tsc_unstable(void) { return tsc_unstable; } +EXPORT_SYMBOL_GPL(check_tsc_unstable); /* Accellerators for sched_clock() * convert from cycles(64bits) => nanoseconds (64bits) diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index 00f1bc47d3a..7d72cce0052 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -60,7 +60,9 @@ SECTIONS __stop___ex_table = .; } - BUG_TABLE + NOTES :text :note + + BUG_TABLE :text . = ALIGN(4); .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { @@ -181,6 +183,7 @@ SECTIONS .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { __per_cpu_start = .; *(.data.percpu) + *(.data.percpu.shared_aligned) __per_cpu_end = .; } . = ALIGN(4096); @@ -207,6 +210,4 @@ SECTIONS STABS_DEBUG DWARF_DEBUG - - NOTES } diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index 1ecb3e43b52..e92a1012493 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -303,6 +303,7 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs, struct vm_area_struct * vma; unsigned long address; int write, si_code; + int fault; /* get the address */ address = read_cr2(); @@ -422,20 +423,18 @@ good_area: * make sure we exit gracefully rather than endlessly redo * the fault. */ - switch (handle_mm_fault(mm, vma, address, write)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: + fault = handle_mm_fault(mm, vma, address, write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) goto out_of_memory; - default: - BUG(); + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; /* * Did it hit the DOS screen memory VA from vm86 mode? diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig index e208747d5de..3dbb3987df2 100644 --- a/arch/ia64/configs/tiger_defconfig +++ b/arch/ia64/configs/tiger_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.21-rc3 -# Thu Mar 8 11:07:09 2007 +# Linux kernel version: 2.6.22 +# Thu Jul 19 13:54:47 2007 # CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -19,15 +19,15 @@ CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y -# CONFIG_IPC_NS is not set CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set -# CONFIG_UTS_NS is not set +# CONFIG_USER_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=20 # CONFIG_CPUSETS is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set @@ -46,18 +46,19 @@ CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y +CONFIG_ANON_INODES=y CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y CONFIG_SHMEM=y -CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 -# CONFIG_SLOB is not set - -# -# Loadable module support -# CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set @@ -65,12 +66,9 @@ CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_KMOD=y CONFIG_STOP_MACHINE=y - -# -# Block layer -# CONFIG_BLOCK=y # CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_BLK_DEV_BSG is not set # # IO Schedulers @@ -91,6 +89,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_IA64=y CONFIG_64BIT=y CONFIG_ZONE_DMA=y +CONFIG_QUICKLIST=y CONFIG_MMU=y CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y @@ -114,8 +113,8 @@ CONFIG_IA64_DIG=y CONFIG_MCKINLEY=y # CONFIG_IA64_PAGE_SIZE_4KB is not set # CONFIG_IA64_PAGE_SIZE_8KB is not set -CONFIG_IA64_PAGE_SIZE_16KB=y -# CONFIG_IA64_PAGE_SIZE_64KB is not set +# CONFIG_IA64_PAGE_SIZE_16KB is not set +CONFIG_IA64_PAGE_SIZE_64KB=y CONFIG_PGTABLE_3=y # CONFIG_PGTABLE_4 is not set # CONFIG_HZ_100 is not set @@ -145,6 +144,9 @@ CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_NR_QUICK=1 +CONFIG_VIRT_TO_BUS=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_DISCONTIGMEM_ENABLE=y CONFIG_ARCH_FLATMEM_ENABLE=y @@ -152,11 +154,11 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_VIRTUAL_MEM_MAP=y CONFIG_HOLES_IN_ZONE=y -CONFIG_IA32_SUPPORT=y -CONFIG_COMPAT=y +# CONFIG_IA32_SUPPORT is not set CONFIG_IA64_MCA_RECOVERY=y CONFIG_PERFMON=y CONFIG_IA64_PALINFO=y +# CONFIG_IA64_MC_ERR_INJECT is not set # CONFIG_IA64_ESI is not set CONFIG_KEXEC=y # CONFIG_CRASH_DUMP is not set @@ -166,6 +168,7 @@ CONFIG_KEXEC=y # CONFIG_EFI_VARS=y CONFIG_EFI_PCDP=y +CONFIG_DMIID=y CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=m @@ -175,7 +178,6 @@ CONFIG_BINFMT_MISC=m CONFIG_PM=y CONFIG_PM_LEGACY=y # CONFIG_PM_DEBUG is not set -# CONFIG_PM_SYSFS_DEPRECATED is not set # # ACPI (Advanced Configuration and Power Interface) Support @@ -205,13 +207,11 @@ CONFIG_ACPI_CONTAINER=m # CONFIG_PCI=y CONFIG_PCI_DOMAINS=y +CONFIG_PCI_SYSCALL=y # CONFIG_PCIEPORTBUS is not set +CONFIG_ARCH_SUPPORTS_MSI=y # CONFIG_PCI_MSI is not set # CONFIG_PCI_DEBUG is not set - -# -# PCI Hotplug Support -# CONFIG_HOTPLUG_PCI=m # CONFIG_HOTPLUG_PCI_FAKE is not set CONFIG_HOTPLUG_PCI_ACPI=m @@ -232,7 +232,6 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -270,20 +269,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_INET6_TUNNEL is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set - -# -# DCCP Configuration (EXPERIMENTAL) -# # CONFIG_IP_DCCP is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# # CONFIG_IP_SCTP is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set @@ -309,7 +296,17 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set # # Device Drivers @@ -324,25 +321,9 @@ CONFIG_FW_LOADER=m # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set - -# -# Connector - unified userspace <-> kernelspace linker -# # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# # CONFIG_MTD is not set - -# -# Parallel port support -# # CONFIG_PARPORT is not set - -# -# Plug and Play support -# CONFIG_PNP=y # CONFIG_PNP_DEBUG is not set @@ -350,10 +331,7 @@ CONFIG_PNP=y # Protocols # CONFIG_PNPACPI=y - -# -# Block devices -# +CONFIG_BLK_DEV=y # CONFIG_BLK_CPQ_DA is not set # CONFIG_BLK_CPQ_CISS_DA is not set # CONFIG_BLK_DEV_DAC960 is not set @@ -370,16 +348,11 @@ CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set - -# -# Misc devices -# +CONFIG_MISC_DEVICES=y +# CONFIG_PHANTOM is not set +# CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set - -# -# ATA/ATAPI/MFM/RLL support -# CONFIG_IDE=y CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=y @@ -396,6 +369,7 @@ CONFIG_BLK_DEV_IDEFLOPPY=y CONFIG_BLK_DEV_IDESCSI=m # CONFIG_BLK_DEV_IDEACPI is not set # CONFIG_IDE_TASK_IOCTL is not set +CONFIG_IDE_PROC_FS=y # # IDE chipset support/bugfixes @@ -404,12 +378,12 @@ CONFIG_BLK_DEV_IDESCSI=m # CONFIG_BLK_DEV_IDEPNP is not set CONFIG_BLK_DEV_IDEPCI=y # CONFIG_IDEPCI_SHARE_IRQ is not set +CONFIG_IDEPCI_PCIBUS_ORDER=y # CONFIG_BLK_DEV_OFFBOARD is not set CONFIG_BLK_DEV_GENERIC=y # CONFIG_BLK_DEV_OPTI621 is not set CONFIG_BLK_DEV_IDEDMA_PCI=y # CONFIG_BLK_DEV_IDEDMA_FORCED is not set -CONFIG_IDEDMA_PCI_AUTO=y # CONFIG_IDEDMA_ONLYDISK is not set # CONFIG_BLK_DEV_AEC62XX is not set # CONFIG_BLK_DEV_ALI15X3 is not set @@ -438,7 +412,6 @@ CONFIG_BLK_DEV_PIIX=y # CONFIG_IDE_ARM is not set CONFIG_BLK_DEV_IDEDMA=y # CONFIG_IDEDMA_IVB is not set -CONFIG_IDEDMA_AUTO=y # CONFIG_BLK_DEV_HD is not set # @@ -446,6 +419,7 @@ CONFIG_IDEDMA_AUTO=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set CONFIG_SCSI_NETLINK=y CONFIG_SCSI_PROC_FS=y @@ -468,6 +442,7 @@ CONFIG_CHR_DEV_SG=m # CONFIG_SCSI_CONSTANTS is not set # CONFIG_SCSI_LOGGING is not set # CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m # # SCSI Transports @@ -514,15 +489,7 @@ CONFIG_SCSI_QLOGIC_1280=y # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_SRP is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# # CONFIG_ATA is not set - -# -# Multi-device support (RAID and LVM) -# CONFIG_MD=y CONFIG_BLK_DEV_MD=m CONFIG_MD_LINEAR=m @@ -539,6 +506,7 @@ CONFIG_DM_SNAPSHOT=m CONFIG_DM_MIRROR=m CONFIG_DM_ZERO=m # CONFIG_DM_MULTIPATH is not set +# CONFIG_DM_DELAY is not set # # Fusion MPT device support @@ -553,46 +521,25 @@ CONFIG_FUSION_CTL=y # # IEEE 1394 (FireWire) support # +# CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set - -# -# I2O device support -# # CONFIG_I2O is not set - -# -# Network device support -# CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set CONFIG_DUMMY=m # CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set # CONFIG_NET_SB1000 is not set - -# -# ARCnet devices -# # CONFIG_ARCNET is not set - -# -# PHY device support -# # CONFIG_PHYLIB is not set - -# -# Ethernet (10 or 100Mbit) -# CONFIG_NET_ETHERNET=y CONFIG_MII=m # CONFIG_HAPPYMEAL is not set # CONFIG_SUNGEM is not set # CONFIG_CASSINI is not set # CONFIG_NET_VENDOR_3COM is not set - -# -# Tulip family network device support -# CONFIG_NET_TULIP=y # CONFIG_DE2104X is not set CONFIG_TULIP=m @@ -623,10 +570,7 @@ CONFIG_E100=m # CONFIG_SUNDANCE is not set # CONFIG_VIA_RHINE is not set # CONFIG_SC92031 is not set - -# -# Ethernet (1000 Mbit) -# +CONFIG_NETDEV_1000=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set CONFIG_E1000=y @@ -639,36 +583,36 @@ CONFIG_E1000=y # CONFIG_SIS190 is not set # CONFIG_SKGE is not set # CONFIG_SKY2 is not set -# CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y # CONFIG_BNX2 is not set # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set - -# -# Ethernet (10000 Mbit) -# +CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set # CONFIG_CHELSIO_T3 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set # CONFIG_NETXEN_NIC is not set - -# -# Token Ring devices -# +# CONFIG_MLX4_CORE is not set # CONFIG_TR is not set # -# Wireless LAN (non-hamradio) +# Wireless LAN # -# CONFIG_NET_RADIO is not set +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # -# Wan interfaces +# USB Network Adapters # +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET_MII is not set +# CONFIG_USB_USBNET is not set # CONFIG_WAN is not set # CONFIG_FDDI is not set # CONFIG_HIPPI is not set @@ -678,18 +622,9 @@ CONFIG_TIGON3=y # CONFIG_SHAPER is not set CONFIG_NETCONSOLE=y CONFIG_NETPOLL=y -# CONFIG_NETPOLL_RX is not set # CONFIG_NETPOLL_TRAP is not set CONFIG_NET_POLL_CONTROLLER=y - -# -# ISDN subsystem -# # CONFIG_ISDN is not set - -# -# Telephony Support -# # CONFIG_PHONE is not set # @@ -697,6 +632,7 @@ CONFIG_NET_POLL_CONTROLLER=y # CONFIG_INPUT=y # CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set # # Userland interfaces @@ -722,9 +658,17 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_STOWAWAY is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y +CONFIG_MOUSE_PS2_ALPS=y +CONFIG_MOUSE_PS2_LOGIPS2PP=y +CONFIG_MOUSE_PS2_SYNAPTICS=y +CONFIG_MOUSE_PS2_LIFEBOOK=y +CONFIG_MOUSE_PS2_TRACKPOINT=y +# CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_APPLETOUCH is not set # CONFIG_MOUSE_VSXXXAA is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -790,19 +734,10 @@ CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 - -# -# IPMI -# # CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# # CONFIG_WATCHDOG is not set # CONFIG_HW_RANDOM is not set CONFIG_EFI_RTC=y -# CONFIG_DTLK is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set CONFIG_AGP=m @@ -821,15 +756,8 @@ CONFIG_HPET=y # CONFIG_HPET_RTC_IRQ is not set CONFIG_HPET_MMAP=y # CONFIG_HANGCHECK_TIMER is not set - -# -# TPM devices -# # CONFIG_TCG_TPM is not set - -# -# I2C support -# +CONFIG_DEVPORT=y # CONFIG_I2C is not set # @@ -837,21 +765,17 @@ CONFIG_HPET_MMAP=y # # CONFIG_SPI is not set # CONFIG_SPI_MASTER is not set - -# -# Dallas's 1-wire bus -# # CONFIG_W1 is not set - -# -# Hardware Monitoring support -# +# CONFIG_POWER_SUPPLY is not set CONFIG_HWMON=y # CONFIG_HWMON_VID is not set # CONFIG_SENSORS_ABITUGURU is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83627HF is not set # CONFIG_HWMON_DEBUG_CHIP is not set # @@ -863,17 +787,20 @@ CONFIG_HWMON=y # Multimedia devices # # CONFIG_VIDEO_DEV is not set - -# -# Digital Video Broadcasting Devices -# -# CONFIG_DVB is not set +# CONFIG_DVB_CORE is not set +CONFIG_DAB=y # CONFIG_USB_DABUSB is not set # # Graphics support # # CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set # CONFIG_FB is not set # @@ -887,16 +814,18 @@ CONFIG_DUMMY_CONSOLE=y # Sound # # CONFIG_SOUND is not set - -# -# HID Devices -# +CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HID_DEBUG is not set # -# USB support +# USB Input Devices # +CONFIG_USB_HID=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_HID_FF is not set +# CONFIG_USB_HIDDEV is not set +CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB_ARCH_HAS_EHCI=y @@ -907,8 +836,10 @@ CONFIG_USB=y # Miscellaneous USB options # CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_SUSPEND is not set +# CONFIG_USB_PERSIST is not set # CONFIG_USB_OTG is not set # @@ -918,7 +849,6 @@ CONFIG_USB_EHCI_HCD=m # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set -# CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_OHCI_HCD=m # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set @@ -926,6 +856,7 @@ CONFIG_USB_OHCI_HCD=m CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y # CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set # # USB Device Class drivers @@ -955,41 +886,10 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_LIBUSUAL is not set # -# USB Input Devices -# -CONFIG_USB_HID=y -# CONFIG_USB_HIDINPUT_POWERBOOK is not set -# CONFIG_HID_FF is not set -# CONFIG_USB_HIDDEV is not set -# CONFIG_USB_AIPTEK is not set -# CONFIG_USB_WACOM is not set -# CONFIG_USB_ACECAD is not set -# CONFIG_USB_KBTAB is not set -# CONFIG_USB_POWERMATE is not set -# CONFIG_USB_TOUCHSCREEN is not set -# CONFIG_USB_YEALINK is not set -# CONFIG_USB_XPAD is not set -# CONFIG_USB_ATI_REMOTE is not set -# CONFIG_USB_ATI_REMOTE2 is not set -# CONFIG_USB_KEYSPAN_REMOTE is not set -# CONFIG_USB_APPLETOUCH is not set -# CONFIG_USB_GTCO is not set - -# # USB Imaging devices # # CONFIG_USB_MDC800 is not set # CONFIG_USB_MICROTEK is not set - -# -# USB Network Adapters -# -# CONFIG_USB_CATC is not set -# CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set -# CONFIG_USB_RTL8150 is not set -# CONFIG_USB_USBNET_MII is not set -# CONFIG_USB_USBNET is not set # CONFIG_USB_MON is not set # @@ -1033,10 +933,6 @@ CONFIG_USB_HID=y # USB Gadget Support # # CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# # CONFIG_MMC is not set # @@ -1051,17 +947,9 @@ CONFIG_USB_HID=y # # LED Triggers # - -# -# InfiniBand support -# # CONFIG_INFINIBAND is not set # -# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) -# - -# # Real Time Clock # # CONFIG_RTC_CLASS is not set @@ -1080,12 +968,9 @@ CONFIG_USB_HID=y # # -# Auxiliary Display support -# - -# -# Virtualization +# Userspace I/O # +# CONFIG_UIO is not set # CONFIG_MSPEC is not set # @@ -1200,7 +1085,8 @@ CONFIG_EXPORTFS=m CONFIG_NFS_COMMON=y CONFIG_SUNRPC=m CONFIG_SUNRPC_GSS=m -CONFIG_RPCSEC_GSS_KRB5=m +# CONFIG_SUNRPC_BIND34 is not set +CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set CONFIG_SMB_FS=m CONFIG_SMB_NLS_DEFAULT=y @@ -1214,7 +1100,6 @@ CONFIG_CIFS=m # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set -# CONFIG_9P_FS is not set # # Partition Types @@ -1236,6 +1121,7 @@ CONFIG_SGI_PARTITION=y # CONFIG_SUN_PARTITION is not set # CONFIG_KARMA_PARTITION is not set CONFIG_EFI_PARTITION=y +# CONFIG_SYSV68_PARTITION is not set # # Native Language Support @@ -1292,11 +1178,14 @@ CONFIG_NLS_UTF8=m CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y +# CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y @@ -1319,8 +1208,8 @@ CONFIG_MAGIC_SYSRQ=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set -CONFIG_LOG_BUF_SHIFT=20 CONFIG_DETECT_SOFTLOCKUP=y +CONFIG_SCHED_DEBUG=y # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_SLAB is not set @@ -1343,17 +1232,12 @@ CONFIG_IA64_GRANULE_16MB=y # CONFIG_DISABLE_VHPT is not set # CONFIG_IA64_DEBUG_CMPXCHG is not set # CONFIG_IA64_DEBUG_IRQ is not set -CONFIG_SYSVIPC_COMPAT=y # # Security options # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set - -# -# Cryptographic options -# CONFIG_CRYPTO=y CONFIG_CRYPTO_ALGAPI=y CONFIG_CRYPTO_BLKCIPHER=m @@ -1373,6 +1257,7 @@ CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_CBC=m CONFIG_CRYPTO_PCBC=m # CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_CRYPTD is not set CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_BLOWFISH is not set @@ -1390,7 +1275,4 @@ CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_CRC32C is not set # CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_TEST is not set - -# -# Hardware crypto devices -# +CONFIG_CRYPTO_HW=y diff --git a/arch/ia64/defconfig b/arch/ia64/defconfig index 461f8ee738f..03172dc8c40 100644 --- a/arch/ia64/defconfig +++ b/arch/ia64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.21-rc3 -# Thu Mar 8 11:01:03 2007 +# Linux kernel version: 2.6.22 +# Thu Jul 19 13:55:32 2007 # CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -19,15 +19,15 @@ CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y -# CONFIG_IPC_NS is not set CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set -# CONFIG_UTS_NS is not set +# CONFIG_USER_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=20 # CONFIG_CPUSETS is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set @@ -46,18 +46,19 @@ CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y +CONFIG_ANON_INODES=y CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y CONFIG_SHMEM=y -CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 -# CONFIG_SLOB is not set - -# -# Loadable module support -# CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set @@ -65,12 +66,9 @@ CONFIG_MODVERSIONS=y # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y CONFIG_STOP_MACHINE=y - -# -# Block layer -# CONFIG_BLOCK=y # CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_BLK_DEV_BSG is not set # # IO Schedulers @@ -91,6 +89,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_IA64=y CONFIG_64BIT=y CONFIG_ZONE_DMA=y +CONFIG_QUICKLIST=y CONFIG_MMU=y CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y @@ -114,8 +113,8 @@ CONFIG_IA64_GENERIC=y CONFIG_MCKINLEY=y # CONFIG_IA64_PAGE_SIZE_4KB is not set # CONFIG_IA64_PAGE_SIZE_8KB is not set -CONFIG_IA64_PAGE_SIZE_16KB=y -# CONFIG_IA64_PAGE_SIZE_64KB is not set +# CONFIG_IA64_PAGE_SIZE_16KB is not set +CONFIG_IA64_PAGE_SIZE_64KB=y CONFIG_PGTABLE_3=y # CONFIG_PGTABLE_4 is not set # CONFIG_HZ_100 is not set @@ -147,6 +146,9 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MIGRATION=y CONFIG_RESOURCES_64BIT=y CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_NR_QUICK=1 +CONFIG_VIRT_TO_BUS=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_DISCONTIGMEM_ENABLE=y CONFIG_ARCH_FLATMEM_ENABLE=y @@ -164,7 +166,7 @@ CONFIG_COMPAT=y CONFIG_IA64_MCA_RECOVERY=y CONFIG_PERFMON=y CONFIG_IA64_PALINFO=y -# CONFIG_MC_ERR_INJECT is not set +# CONFIG_IA64_MC_ERR_INJECT is not set CONFIG_SGI_SN=y # CONFIG_IA64_ESI is not set @@ -180,6 +182,7 @@ CONFIG_CRASH_DUMP=y # CONFIG_EFI_VARS=y CONFIG_EFI_PCDP=y +CONFIG_DMIID=y CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=m @@ -189,7 +192,6 @@ CONFIG_BINFMT_MISC=m CONFIG_PM=y CONFIG_PM_LEGACY=y # CONFIG_PM_DEBUG is not set -# CONFIG_PM_SYSFS_DEPRECATED is not set # # ACPI (Advanced Configuration and Power Interface) Support @@ -220,13 +222,11 @@ CONFIG_ACPI_CONTAINER=m # CONFIG_PCI=y CONFIG_PCI_DOMAINS=y +CONFIG_PCI_SYSCALL=y # CONFIG_PCIEPORTBUS is not set +CONFIG_ARCH_SUPPORTS_MSI=y # CONFIG_PCI_MSI is not set # CONFIG_PCI_DEBUG is not set - -# -# PCI Hotplug Support -# CONFIG_HOTPLUG_PCI=m # CONFIG_HOTPLUG_PCI_FAKE is not set CONFIG_HOTPLUG_PCI_ACPI=m @@ -248,7 +248,6 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -286,20 +285,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_INET6_TUNNEL is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set - -# -# DCCP Configuration (EXPERIMENTAL) -# # CONFIG_IP_DCCP is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# # CONFIG_IP_SCTP is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set @@ -325,7 +312,17 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set # # Device Drivers @@ -340,25 +337,9 @@ CONFIG_FW_LOADER=m # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set - -# -# Connector - unified userspace <-> kernelspace linker -# # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# # CONFIG_MTD is not set - -# -# Parallel port support -# # CONFIG_PARPORT is not set - -# -# Plug and Play support -# CONFIG_PNP=y # CONFIG_PNP_DEBUG is not set @@ -366,10 +347,7 @@ CONFIG_PNP=y # Protocols # CONFIG_PNPACPI=y - -# -# Block devices -# +CONFIG_BLK_DEV=y # CONFIG_BLK_CPQ_DA is not set # CONFIG_BLK_CPQ_CISS_DA is not set # CONFIG_BLK_DEV_DAC960 is not set @@ -386,16 +364,11 @@ CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set - -# -# Misc devices -# +CONFIG_MISC_DEVICES=y +# CONFIG_PHANTOM is not set +# CONFIG_EEPROM_93CX6 is not set CONFIG_SGI_IOC4=y # CONFIG_TIFM_CORE is not set - -# -# ATA/ATAPI/MFM/RLL support -# CONFIG_IDE=y CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=y @@ -412,6 +385,7 @@ CONFIG_BLK_DEV_IDEFLOPPY=y CONFIG_BLK_DEV_IDESCSI=m # CONFIG_BLK_DEV_IDEACPI is not set # CONFIG_IDE_TASK_IOCTL is not set +CONFIG_IDE_PROC_FS=y # # IDE chipset support/bugfixes @@ -420,12 +394,12 @@ CONFIG_BLK_DEV_IDESCSI=m # CONFIG_BLK_DEV_IDEPNP is not set CONFIG_BLK_DEV_IDEPCI=y CONFIG_IDEPCI_SHARE_IRQ=y +CONFIG_IDEPCI_PCIBUS_ORDER=y # CONFIG_BLK_DEV_OFFBOARD is not set CONFIG_BLK_DEV_GENERIC=y # CONFIG_BLK_DEV_OPTI621 is not set CONFIG_BLK_DEV_IDEDMA_PCI=y # CONFIG_BLK_DEV_IDEDMA_FORCED is not set -CONFIG_IDEDMA_PCI_AUTO=y # CONFIG_IDEDMA_ONLYDISK is not set # CONFIG_BLK_DEV_AEC62XX is not set # CONFIG_BLK_DEV_ALI15X3 is not set @@ -455,7 +429,6 @@ CONFIG_BLK_DEV_SGIIOC4=y # CONFIG_IDE_ARM is not set CONFIG_BLK_DEV_IDEDMA=y # CONFIG_IDEDMA_IVB is not set -CONFIG_IDEDMA_AUTO=y # CONFIG_BLK_DEV_HD is not set # @@ -463,6 +436,7 @@ CONFIG_IDEDMA_AUTO=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set CONFIG_SCSI_NETLINK=y CONFIG_SCSI_PROC_FS=y @@ -485,6 +459,7 @@ CONFIG_CHR_DEV_SG=m # CONFIG_SCSI_CONSTANTS is not set # CONFIG_SCSI_LOGGING is not set # CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m # # SCSI Transports @@ -492,7 +467,7 @@ CONFIG_CHR_DEV_SG=m CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_ISCSI_ATTRS is not set -# CONFIG_SCSI_SAS_ATTRS is not set +CONFIG_SCSI_SAS_ATTRS=y # CONFIG_SCSI_SAS_LIBSAS is not set # @@ -531,15 +506,7 @@ CONFIG_SCSI_QLOGIC_1280=y # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_SRP is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# # CONFIG_ATA is not set - -# -# Multi-device support (RAID and LVM) -# CONFIG_MD=y CONFIG_BLK_DEV_MD=m CONFIG_MD_LINEAR=m @@ -557,6 +524,8 @@ CONFIG_DM_MIRROR=m CONFIG_DM_ZERO=m CONFIG_DM_MULTIPATH=m # CONFIG_DM_MULTIPATH_EMC is not set +# CONFIG_DM_MULTIPATH_RDAC is not set +# CONFIG_DM_DELAY is not set # # Fusion MPT device support @@ -564,53 +533,32 @@ CONFIG_DM_MULTIPATH=m CONFIG_FUSION=y CONFIG_FUSION_SPI=y CONFIG_FUSION_FC=m -# CONFIG_FUSION_SAS is not set +CONFIG_FUSION_SAS=y CONFIG_FUSION_MAX_SGE=128 # CONFIG_FUSION_CTL is not set # # IEEE 1394 (FireWire) support # +# CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set - -# -# I2O device support -# # CONFIG_I2O is not set - -# -# Network device support -# CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set CONFIG_DUMMY=m # CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set # CONFIG_NET_SB1000 is not set - -# -# ARCnet devices -# # CONFIG_ARCNET is not set - -# -# PHY device support -# # CONFIG_PHYLIB is not set - -# -# Ethernet (10 or 100Mbit) -# CONFIG_NET_ETHERNET=y CONFIG_MII=m # CONFIG_HAPPYMEAL is not set # CONFIG_SUNGEM is not set # CONFIG_CASSINI is not set # CONFIG_NET_VENDOR_3COM is not set - -# -# Tulip family network device support -# CONFIG_NET_TULIP=y # CONFIG_DE2104X is not set CONFIG_TULIP=m @@ -641,10 +589,7 @@ CONFIG_E100=m # CONFIG_SUNDANCE is not set # CONFIG_VIA_RHINE is not set # CONFIG_SC92031 is not set - -# -# Ethernet (1000 Mbit) -# +CONFIG_NETDEV_1000=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set CONFIG_E1000=y @@ -657,36 +602,36 @@ CONFIG_E1000=y # CONFIG_SIS190 is not set # CONFIG_SKGE is not set # CONFIG_SKY2 is not set -# CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y # CONFIG_BNX2 is not set # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set - -# -# Ethernet (10000 Mbit) -# +CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set # CONFIG_CHELSIO_T3 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set # CONFIG_NETXEN_NIC is not set - -# -# Token Ring devices -# +# CONFIG_MLX4_CORE is not set # CONFIG_TR is not set # -# Wireless LAN (non-hamradio) +# Wireless LAN # -# CONFIG_NET_RADIO is not set +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # -# Wan interfaces +# USB Network Adapters # +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET_MII is not set +# CONFIG_USB_USBNET is not set # CONFIG_WAN is not set # CONFIG_FDDI is not set # CONFIG_HIPPI is not set @@ -696,18 +641,9 @@ CONFIG_TIGON3=y # CONFIG_SHAPER is not set CONFIG_NETCONSOLE=y CONFIG_NETPOLL=y -# CONFIG_NETPOLL_RX is not set # CONFIG_NETPOLL_TRAP is not set CONFIG_NET_POLL_CONTROLLER=y - -# -# ISDN subsystem -# # CONFIG_ISDN is not set - -# -# Telephony Support -# # CONFIG_PHONE is not set # @@ -715,6 +651,7 @@ CONFIG_NET_POLL_CONTROLLER=y # CONFIG_INPUT=y # CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set # # Userland interfaces @@ -740,9 +677,17 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_STOWAWAY is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y +CONFIG_MOUSE_PS2_ALPS=y +CONFIG_MOUSE_PS2_LOGIPS2PP=y +CONFIG_MOUSE_PS2_SYNAPTICS=y +CONFIG_MOUSE_PS2_LIFEBOOK=y +CONFIG_MOUSE_PS2_TRACKPOINT=y +# CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_APPLETOUCH is not set # CONFIG_MOUSE_VSXXXAA is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -814,19 +759,10 @@ CONFIG_SERIAL_SGI_IOC4=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 - -# -# IPMI -# # CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# # CONFIG_WATCHDOG is not set # CONFIG_HW_RANDOM is not set CONFIG_EFI_RTC=y -# CONFIG_DTLK is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set CONFIG_AGP=m @@ -848,15 +784,8 @@ CONFIG_HPET=y CONFIG_HPET_MMAP=y # CONFIG_HANGCHECK_TIMER is not set CONFIG_MMTIMER=y - -# -# TPM devices -# # CONFIG_TCG_TPM is not set - -# -# I2C support -# +CONFIG_DEVPORT=y # CONFIG_I2C is not set # @@ -864,21 +793,17 @@ CONFIG_MMTIMER=y # # CONFIG_SPI is not set # CONFIG_SPI_MASTER is not set - -# -# Dallas's 1-wire bus -# # CONFIG_W1 is not set - -# -# Hardware Monitoring support -# +# CONFIG_POWER_SUPPLY is not set CONFIG_HWMON=y # CONFIG_HWMON_VID is not set # CONFIG_SENSORS_ABITUGURU is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83627HF is not set # CONFIG_HWMON_DEBUG_CHIP is not set # @@ -890,17 +815,20 @@ CONFIG_HWMON=y # Multimedia devices # # CONFIG_VIDEO_DEV is not set - -# -# Digital Video Broadcasting Devices -# -# CONFIG_DVB is not set +# CONFIG_DVB_CORE is not set +CONFIG_DAB=y # CONFIG_USB_DABUSB is not set # # Graphics support # # CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set # CONFIG_FB is not set # @@ -1014,9 +942,10 @@ CONFIG_SND_FM801=m # USB devices # # CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_CAIAQ is not set # -# SoC audio support +# System on Chip audio support # # CONFIG_SND_SOC is not set @@ -1025,16 +954,24 @@ CONFIG_SND_FM801=m # # CONFIG_SOUND_PRIME is not set CONFIG_AC97_BUS=m +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set # -# HID Devices +# USB Input Devices # -CONFIG_HID=y -# CONFIG_HID_DEBUG is not set +CONFIG_USB_HID=m +# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_HID_FF is not set +# CONFIG_USB_HIDDEV is not set # -# USB support +# USB HID Boot Protocol drivers # +# CONFIG_USB_KBD is not set +# CONFIG_USB_MOUSE is not set +CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB_ARCH_HAS_EHCI=y @@ -1045,8 +982,10 @@ CONFIG_USB=m # Miscellaneous USB options # CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_SUSPEND is not set +# CONFIG_USB_PERSIST is not set # CONFIG_USB_OTG is not set # @@ -1056,7 +995,6 @@ CONFIG_USB_EHCI_HCD=m # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set -# CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_OHCI_HCD=m # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set @@ -1064,6 +1002,7 @@ CONFIG_USB_OHCI_HCD=m CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=m # CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set # # USB Device Class drivers @@ -1093,47 +1032,10 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_LIBUSUAL is not set # -# USB Input Devices -# -CONFIG_USB_HID=m -# CONFIG_USB_HIDINPUT_POWERBOOK is not set -# CONFIG_HID_FF is not set -# CONFIG_USB_HIDDEV is not set - -# -# USB HID Boot Protocol drivers -# -# CONFIG_USB_KBD is not set -# CONFIG_USB_MOUSE is not set -# CONFIG_USB_AIPTEK is not set -# CONFIG_USB_WACOM is not set -# CONFIG_USB_ACECAD is not set -# CONFIG_USB_KBTAB is not set -# CONFIG_USB_POWERMATE is not set -# CONFIG_USB_TOUCHSCREEN is not set -# CONFIG_USB_YEALINK is not set -# CONFIG_USB_XPAD is not set -# CONFIG_USB_ATI_REMOTE is not set -# CONFIG_USB_ATI_REMOTE2 is not set -# CONFIG_USB_KEYSPAN_REMOTE is not set -# CONFIG_USB_APPLETOUCH is not set -# CONFIG_USB_GTCO is not set - -# # USB Imaging devices # # CONFIG_USB_MDC800 is not set # CONFIG_USB_MICROTEK is not set - -# -# USB Network Adapters -# -# CONFIG_USB_CATC is not set -# CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set -# CONFIG_USB_RTL8150 is not set -# CONFIG_USB_USBNET_MII is not set -# CONFIG_USB_USBNET is not set CONFIG_USB_MON=y # @@ -1177,10 +1079,6 @@ CONFIG_USB_MON=y # USB Gadget Support # # CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# # CONFIG_MMC is not set # @@ -1195,10 +1093,6 @@ CONFIG_USB_MON=y # # LED Triggers # - -# -# InfiniBand support -# CONFIG_INFINIBAND=m # CONFIG_INFINIBAND_USER_MAD is not set # CONFIG_INFINIBAND_USER_ACCESS is not set @@ -1206,6 +1100,7 @@ CONFIG_INFINIBAND_ADDR_TRANS=y CONFIG_INFINIBAND_MTHCA=m CONFIG_INFINIBAND_MTHCA_DEBUG=y # CONFIG_INFINIBAND_AMSO1100 is not set +# CONFIG_MLX4_INFINIBAND is not set CONFIG_INFINIBAND_IPOIB=m # CONFIG_INFINIBAND_IPOIB_CM is not set CONFIG_INFINIBAND_IPOIB_DEBUG=y @@ -1214,10 +1109,6 @@ CONFIG_INFINIBAND_IPOIB_DEBUG=y # CONFIG_INFINIBAND_ISER is not set # -# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) -# - -# # Real Time Clock # # CONFIG_RTC_CLASS is not set @@ -1236,12 +1127,9 @@ CONFIG_INFINIBAND_IPOIB_DEBUG=y # # -# Auxiliary Display support -# - -# -# Virtualization +# Userspace I/O # +# CONFIG_UIO is not set # CONFIG_MSPEC is not set # @@ -1357,7 +1245,8 @@ CONFIG_EXPORTFS=m CONFIG_NFS_COMMON=y CONFIG_SUNRPC=m CONFIG_SUNRPC_GSS=m -CONFIG_RPCSEC_GSS_KRB5=m +# CONFIG_SUNRPC_BIND34 is not set +CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set CONFIG_SMB_FS=m CONFIG_SMB_NLS_DEFAULT=y @@ -1371,7 +1260,6 @@ CONFIG_CIFS=m # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set -# CONFIG_9P_FS is not set # # Partition Types @@ -1393,6 +1281,7 @@ CONFIG_SGI_PARTITION=y # CONFIG_SUN_PARTITION is not set # CONFIG_KARMA_PARTITION is not set CONFIG_EFI_PARTITION=y +# CONFIG_SYSV68_PARTITION is not set # # Native Language Support @@ -1449,11 +1338,14 @@ CONFIG_NLS_UTF8=m CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y +# CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y @@ -1483,8 +1375,8 @@ CONFIG_MAGIC_SYSRQ=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set -CONFIG_LOG_BUF_SHIFT=20 CONFIG_DETECT_SOFTLOCKUP=y +CONFIG_SCHED_DEBUG=y # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_SLAB is not set @@ -1514,10 +1406,6 @@ CONFIG_SYSVIPC_COMPAT=y # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set - -# -# Cryptographic options -# CONFIG_CRYPTO=y CONFIG_CRYPTO_ALGAPI=y CONFIG_CRYPTO_BLKCIPHER=m @@ -1537,6 +1425,7 @@ CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_CBC=m CONFIG_CRYPTO_PCBC=m # CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_CRYPTD is not set CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_BLOWFISH is not set @@ -1554,7 +1443,4 @@ CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_CRC32C is not set # CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_TEST is not set - -# -# Hardware crypto devices -# +CONFIG_CRYPTO_HW=y diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index 6f4d3d06f0e..e1189ba1ca5 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -195,62 +195,27 @@ ia64_elf32_init (struct pt_regs *regs) ia32_load_state(current); } +/* + * Undo the override of setup_arg_pages() without this ia32_setup_arg_pages() + * will suffer infinite self recursion. + */ +#undef setup_arg_pages + int ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack) { - unsigned long stack_base; - struct vm_area_struct *mpnt; - struct mm_struct *mm = current->mm; - int i, ret; - - stack_base = IA32_STACK_TOP - MAX_ARG_PAGES*PAGE_SIZE; - mm->arg_start = bprm->p + stack_base; - - bprm->p += stack_base; - if (bprm->loader) - bprm->loader += stack_base; - bprm->exec += stack_base; - - mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (!mpnt) - return -ENOMEM; - - down_write(¤t->mm->mmap_sem); - { - mpnt->vm_mm = current->mm; - mpnt->vm_start = PAGE_MASK & (unsigned long) bprm->p; - mpnt->vm_end = IA32_STACK_TOP; - if (executable_stack == EXSTACK_ENABLE_X) - mpnt->vm_flags = VM_STACK_FLAGS | VM_EXEC; - else if (executable_stack == EXSTACK_DISABLE_X) - mpnt->vm_flags = VM_STACK_FLAGS & ~VM_EXEC; - else - mpnt->vm_flags = VM_STACK_FLAGS; - mpnt->vm_page_prot = (mpnt->vm_flags & VM_EXEC)? - PAGE_COPY_EXEC: PAGE_COPY; - if ((ret = insert_vm_struct(current->mm, mpnt))) { - up_write(¤t->mm->mmap_sem); - kmem_cache_free(vm_area_cachep, mpnt); - return ret; - } - current->mm->stack_vm = current->mm->total_vm = vma_pages(mpnt); + int ret; + + ret = setup_arg_pages(bprm, IA32_STACK_TOP, executable_stack); + if (!ret) { + /* + * Can't do it in ia64_elf32_init(). Needs to be done before + * calls to elf32_map() + */ + current->thread.ppl = ia32_init_pp_list(); } - for (i = 0 ; i < MAX_ARG_PAGES ; i++) { - struct page *page = bprm->page[i]; - if (page) { - bprm->page[i] = NULL; - install_arg_page(mpnt, page, stack_base); - } - stack_base += PAGE_SIZE; - } - up_write(¤t->mm->mmap_sem); - - /* Can't do it in ia64_elf32_init(). Needs to be done before calls to - elf32_map() */ - current->thread.ppl = ia32_init_pp_list(); - - return 0; + return ret; } static void diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 95f51751523..c36f43c9460 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1581,7 +1581,7 @@ sys_call_table: data8 sys_sync_file_range // 1300 data8 sys_tee data8 sys_vmsplice - data8 sys_ni_syscall // reserved for move_pages + data8 sys_fallocate data8 sys_getcpu data8 sys_epoll_pwait // 1305 data8 sys_utimensat diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 37f46527d23..91e6dc1e7ba 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -118,15 +118,25 @@ static DEFINE_SPINLOCK(iosapic_lock); * vector. */ -struct iosapic_rte_info { - struct list_head rte_list; /* node in list of RTEs sharing the - * same vector */ +#define NO_REF_RTE 0 + +static struct iosapic { char __iomem *addr; /* base address of IOSAPIC */ - unsigned int gsi_base; /* first GSI assigned to this - * IOSAPIC */ + unsigned int gsi_base; /* GSI base */ + unsigned short num_rte; /* # of RTEs on this IOSAPIC */ + int rtes_inuse; /* # of RTEs in use on this IOSAPIC */ +#ifdef CONFIG_NUMA + unsigned short node; /* numa node association via pxm */ +#endif + spinlock_t lock; /* lock for indirect reg access */ +} iosapic_lists[NR_IOSAPICS]; + +struct iosapic_rte_info { + struct list_head rte_list; /* RTEs sharing the same vector */ char rte_index; /* IOSAPIC RTE index */ int refcnt; /* reference counter */ unsigned int flags; /* flags */ + struct iosapic *iosapic; } ____cacheline_aligned; static struct iosapic_intr_info { @@ -140,24 +150,23 @@ static struct iosapic_intr_info { unsigned char polarity: 1; /* interrupt polarity * (see iosapic.h) */ unsigned char trigger : 1; /* trigger mode (see iosapic.h) */ -} iosapic_intr_info[IA64_NUM_VECTORS]; - -static struct iosapic { - char __iomem *addr; /* base address of IOSAPIC */ - unsigned int gsi_base; /* first GSI assigned to this - * IOSAPIC */ - unsigned short num_rte; /* # of RTEs on this IOSAPIC */ - int rtes_inuse; /* # of RTEs in use on this IOSAPIC */ -#ifdef CONFIG_NUMA - unsigned short node; /* numa node association via pxm */ -#endif -} iosapic_lists[NR_IOSAPICS]; +} iosapic_intr_info[NR_IRQS]; static unsigned char pcat_compat __devinitdata; /* 8259 compatibility flag */ static int iosapic_kmalloc_ok; static LIST_HEAD(free_rte_list); +static inline void +iosapic_write(struct iosapic *iosapic, unsigned int reg, u32 val) +{ + unsigned long flags; + + spin_lock_irqsave(&iosapic->lock, flags); + __iosapic_write(iosapic->addr, reg, val); + spin_unlock_irqrestore(&iosapic->lock, flags); +} + /* * Find an IOSAPIC associated with a GSI */ @@ -175,17 +184,18 @@ find_iosapic (unsigned int gsi) return -1; } -static inline int -_gsi_to_vector (unsigned int gsi) +static inline int __gsi_to_irq(unsigned int gsi) { + int irq; struct iosapic_intr_info *info; struct iosapic_rte_info *rte; - for (info = iosapic_intr_info; info < - iosapic_intr_info + IA64_NUM_VECTORS; ++info) + for (irq = 0; irq < NR_IRQS; irq++) { + info = &iosapic_intr_info[irq]; list_for_each_entry(rte, &info->rtes, rte_list) - if (rte->gsi_base + rte->rte_index == gsi) - return info - iosapic_intr_info; + if (rte->iosapic->gsi_base + rte->rte_index == gsi) + return irq; + } return -1; } @@ -196,7 +206,10 @@ _gsi_to_vector (unsigned int gsi) inline int gsi_to_vector (unsigned int gsi) { - return _gsi_to_vector(gsi); + int irq = __gsi_to_irq(gsi); + if (check_irq_used(irq) < 0) + return -1; + return irq_to_vector(irq); } int @@ -204,66 +217,48 @@ gsi_to_irq (unsigned int gsi) { unsigned long flags; int irq; - /* - * XXX fix me: this assumes an identity mapping between IA-64 vector - * and Linux irq numbers... - */ + spin_lock_irqsave(&iosapic_lock, flags); - { - irq = _gsi_to_vector(gsi); - } + irq = __gsi_to_irq(gsi); spin_unlock_irqrestore(&iosapic_lock, flags); - return irq; } -static struct iosapic_rte_info *gsi_vector_to_rte(unsigned int gsi, - unsigned int vec) +static struct iosapic_rte_info *find_rte(unsigned int irq, unsigned int gsi) { struct iosapic_rte_info *rte; - list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, rte_list) - if (rte->gsi_base + rte->rte_index == gsi) + list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list) + if (rte->iosapic->gsi_base + rte->rte_index == gsi) return rte; return NULL; } static void -set_rte (unsigned int gsi, unsigned int vector, unsigned int dest, int mask) +set_rte (unsigned int gsi, unsigned int irq, unsigned int dest, int mask) { unsigned long pol, trigger, dmode; u32 low32, high32; - char __iomem *addr; int rte_index; char redir; struct iosapic_rte_info *rte; + ia64_vector vector = irq_to_vector(irq); DBG(KERN_DEBUG"IOSAPIC: routing vector %d to 0x%x\n", vector, dest); - rte = gsi_vector_to_rte(gsi, vector); + rte = find_rte(irq, gsi); if (!rte) return; /* not an IOSAPIC interrupt */ rte_index = rte->rte_index; - addr = rte->addr; - pol = iosapic_intr_info[vector].polarity; - trigger = iosapic_intr_info[vector].trigger; - dmode = iosapic_intr_info[vector].dmode; + pol = iosapic_intr_info[irq].polarity; + trigger = iosapic_intr_info[irq].trigger; + dmode = iosapic_intr_info[irq].dmode; redir = (dmode == IOSAPIC_LOWEST_PRIORITY) ? 1 : 0; #ifdef CONFIG_SMP - { - unsigned int irq; - - for (irq = 0; irq < NR_IRQS; ++irq) - if (irq_to_vector(irq) == vector) { - set_irq_affinity_info(irq, - (int)(dest & 0xffff), - redir); - break; - } - } + set_irq_affinity_info(irq, (int)(dest & 0xffff), redir); #endif low32 = ((pol << IOSAPIC_POLARITY_SHIFT) | @@ -275,10 +270,10 @@ set_rte (unsigned int gsi, unsigned int vector, unsigned int dest, int mask) /* dest contains both id and eid */ high32 = (dest << IOSAPIC_DEST_SHIFT); - iosapic_write(addr, IOSAPIC_RTE_HIGH(rte_index), high32); - iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32); - iosapic_intr_info[vector].low32 = low32; - iosapic_intr_info[vector].dest = dest; + iosapic_write(rte->iosapic, IOSAPIC_RTE_HIGH(rte_index), high32); + iosapic_write(rte->iosapic, IOSAPIC_RTE_LOW(rte_index), low32); + iosapic_intr_info[irq].low32 = low32; + iosapic_intr_info[irq].dest = dest; } static void @@ -294,15 +289,18 @@ kexec_disable_iosapic(void) { struct iosapic_intr_info *info; struct iosapic_rte_info *rte; - u8 vec = 0; - for (info = iosapic_intr_info; info < - iosapic_intr_info + IA64_NUM_VECTORS; ++info, ++vec) { + ia64_vector vec; + int irq; + + for (irq = 0; irq < NR_IRQS; irq++) { + info = &iosapic_intr_info[irq]; + vec = irq_to_vector(irq); list_for_each_entry(rte, &info->rtes, rte_list) { - iosapic_write(rte->addr, + iosapic_write(rte->iosapic, IOSAPIC_RTE_LOW(rte->rte_index), IOSAPIC_MASK|vec); - iosapic_eoi(rte->addr, vec); + iosapic_eoi(rte->iosapic->addr, vec); } } } @@ -311,54 +309,36 @@ kexec_disable_iosapic(void) static void mask_irq (unsigned int irq) { - unsigned long flags; - char __iomem *addr; u32 low32; int rte_index; - ia64_vector vec = irq_to_vector(irq); struct iosapic_rte_info *rte; - if (list_empty(&iosapic_intr_info[vec].rtes)) + if (list_empty(&iosapic_intr_info[irq].rtes)) return; /* not an IOSAPIC interrupt! */ - spin_lock_irqsave(&iosapic_lock, flags); - { - /* set only the mask bit */ - low32 = iosapic_intr_info[vec].low32 |= IOSAPIC_MASK; - list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, - rte_list) { - addr = rte->addr; - rte_index = rte->rte_index; - iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32); - } + /* set only the mask bit */ + low32 = iosapic_intr_info[irq].low32 |= IOSAPIC_MASK; + list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list) { + rte_index = rte->rte_index; + iosapic_write(rte->iosapic, IOSAPIC_RTE_LOW(rte_index), low32); } - spin_unlock_irqrestore(&iosapic_lock, flags); } static void unmask_irq (unsigned int irq) { - unsigned long flags; - char __iomem *addr; u32 low32; int rte_index; - ia64_vector vec = irq_to_vector(irq); struct iosapic_rte_info *rte; - if (list_empty(&iosapic_intr_info[vec].rtes)) + if (list_empty(&iosapic_intr_info[irq].rtes)) return; /* not an IOSAPIC interrupt! */ - spin_lock_irqsave(&iosapic_lock, flags); - { - low32 = iosapic_intr_info[vec].low32 &= ~IOSAPIC_MASK; - list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, - rte_list) { - addr = rte->addr; - rte_index = rte->rte_index; - iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32); - } + low32 = iosapic_intr_info[irq].low32 &= ~IOSAPIC_MASK; + list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list) { + rte_index = rte->rte_index; + iosapic_write(rte->iosapic, IOSAPIC_RTE_LOW(rte_index), low32); } - spin_unlock_irqrestore(&iosapic_lock, flags); } @@ -366,23 +346,24 @@ static void iosapic_set_affinity (unsigned int irq, cpumask_t mask) { #ifdef CONFIG_SMP - unsigned long flags; u32 high32, low32; int dest, rte_index; - char __iomem *addr; int redir = (irq & IA64_IRQ_REDIRECTED) ? 1 : 0; - ia64_vector vec; struct iosapic_rte_info *rte; + struct iosapic *iosapic; irq &= (~IA64_IRQ_REDIRECTED); - vec = irq_to_vector(irq); + cpus_and(mask, mask, cpu_online_map); if (cpus_empty(mask)) return; + if (reassign_irq_vector(irq, first_cpu(mask))) + return; + dest = cpu_physical_id(first_cpu(mask)); - if (list_empty(&iosapic_intr_info[vec].rtes)) + if (list_empty(&iosapic_intr_info[irq].rtes)) return; /* not an IOSAPIC interrupt */ set_irq_affinity_info(irq, dest, redir); @@ -390,31 +371,24 @@ iosapic_set_affinity (unsigned int irq, cpumask_t mask) /* dest contains both id and eid */ high32 = dest << IOSAPIC_DEST_SHIFT; - spin_lock_irqsave(&iosapic_lock, flags); - { - low32 = iosapic_intr_info[vec].low32 & - ~(7 << IOSAPIC_DELIVERY_SHIFT); - - if (redir) - /* change delivery mode to lowest priority */ - low32 |= (IOSAPIC_LOWEST_PRIORITY << - IOSAPIC_DELIVERY_SHIFT); - else - /* change delivery mode to fixed */ - low32 |= (IOSAPIC_FIXED << IOSAPIC_DELIVERY_SHIFT); - - iosapic_intr_info[vec].low32 = low32; - iosapic_intr_info[vec].dest = dest; - list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, - rte_list) { - addr = rte->addr; - rte_index = rte->rte_index; - iosapic_write(addr, IOSAPIC_RTE_HIGH(rte_index), - high32); - iosapic_write(addr, IOSAPIC_RTE_LOW(rte_index), low32); - } + low32 = iosapic_intr_info[irq].low32 & ~(7 << IOSAPIC_DELIVERY_SHIFT); + if (redir) + /* change delivery mode to lowest priority */ + low32 |= (IOSAPIC_LOWEST_PRIORITY << IOSAPIC_DELIVERY_SHIFT); + else + /* change delivery mode to fixed */ + low32 |= (IOSAPIC_FIXED << IOSAPIC_DELIVERY_SHIFT); + low32 &= IOSAPIC_VECTOR_MASK; + low32 |= irq_to_vector(irq); + + iosapic_intr_info[irq].low32 = low32; + iosapic_intr_info[irq].dest = dest; + list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list) { + iosapic = rte->iosapic; + rte_index = rte->rte_index; + iosapic_write(iosapic, IOSAPIC_RTE_HIGH(rte_index), high32); + iosapic_write(iosapic, IOSAPIC_RTE_LOW(rte_index), low32); } - spin_unlock_irqrestore(&iosapic_lock, flags); #endif } @@ -434,10 +408,20 @@ iosapic_end_level_irq (unsigned int irq) { ia64_vector vec = irq_to_vector(irq); struct iosapic_rte_info *rte; + int do_unmask_irq = 0; - move_native_irq(irq); - list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, rte_list) - iosapic_eoi(rte->addr, vec); + if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) { + do_unmask_irq = 1; + mask_irq(irq); + } + + list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list) + iosapic_eoi(rte->iosapic->addr, vec); + + if (unlikely(do_unmask_irq)) { + move_masked_irq(irq); + unmask_irq(irq); + } } #define iosapic_shutdown_level_irq mask_irq @@ -519,13 +503,12 @@ iosapic_version (char __iomem *addr) * unsigned int reserved2 : 8; * } */ - return iosapic_read(addr, IOSAPIC_VERSION); + return __iosapic_read(addr, IOSAPIC_VERSION); } -static int iosapic_find_sharable_vector (unsigned long trigger, - unsigned long pol) +static int iosapic_find_sharable_irq(unsigned long trigger, unsigned long pol) { - int i, vector = -1, min_count = -1; + int i, irq = -ENOSPC, min_count = -1; struct iosapic_intr_info *info; /* @@ -533,21 +516,21 @@ static int iosapic_find_sharable_vector (unsigned long trigger, * supported yet */ if (trigger == IOSAPIC_EDGE) - return -1; + return -EINVAL; - for (i = IA64_FIRST_DEVICE_VECTOR; i <= IA64_LAST_DEVICE_VECTOR; i++) { + for (i = 0; i <= NR_IRQS; i++) { info = &iosapic_intr_info[i]; if (info->trigger == trigger && info->polarity == pol && - (info->dmode == IOSAPIC_FIXED || info->dmode == - IOSAPIC_LOWEST_PRIORITY)) { + (info->dmode == IOSAPIC_FIXED || + info->dmode == IOSAPIC_LOWEST_PRIORITY) && + can_request_irq(i, IRQF_SHARED)) { if (min_count == -1 || info->count < min_count) { - vector = i; + irq = i; min_count = info->count; } } } - - return vector; + return irq; } /* @@ -555,25 +538,25 @@ static int iosapic_find_sharable_vector (unsigned long trigger, * assign a new vector for the other and make the vector available */ static void __init -iosapic_reassign_vector (int vector) +iosapic_reassign_vector (int irq) { - int new_vector; + int new_irq; - if (!list_empty(&iosapic_intr_info[vector].rtes)) { - new_vector = assign_irq_vector(AUTO_ASSIGN); - if (new_vector < 0) + if (!list_empty(&iosapic_intr_info[irq].rtes)) { + new_irq = create_irq(); + if (new_irq < 0) panic("%s: out of interrupt vectors!\n", __FUNCTION__); printk(KERN_INFO "Reassigning vector %d to %d\n", - vector, new_vector); - memcpy(&iosapic_intr_info[new_vector], &iosapic_intr_info[vector], + irq_to_vector(irq), irq_to_vector(new_irq)); + memcpy(&iosapic_intr_info[new_irq], &iosapic_intr_info[irq], sizeof(struct iosapic_intr_info)); - INIT_LIST_HEAD(&iosapic_intr_info[new_vector].rtes); - list_move(iosapic_intr_info[vector].rtes.next, - &iosapic_intr_info[new_vector].rtes); - memset(&iosapic_intr_info[vector], 0, + INIT_LIST_HEAD(&iosapic_intr_info[new_irq].rtes); + list_move(iosapic_intr_info[irq].rtes.next, + &iosapic_intr_info[new_irq].rtes); + memset(&iosapic_intr_info[irq], 0, sizeof(struct iosapic_intr_info)); - iosapic_intr_info[vector].low32 = IOSAPIC_MASK; - INIT_LIST_HEAD(&iosapic_intr_info[vector].rtes); + iosapic_intr_info[irq].low32 = IOSAPIC_MASK; + INIT_LIST_HEAD(&iosapic_intr_info[irq].rtes); } } @@ -610,29 +593,18 @@ static struct iosapic_rte_info *iosapic_alloc_rte (void) return rte; } -static void iosapic_free_rte (struct iosapic_rte_info *rte) +static inline int irq_is_shared (int irq) { - if (rte->flags & RTE_PREALLOCATED) - list_add_tail(&rte->rte_list, &free_rte_list); - else - kfree(rte); -} - -static inline int vector_is_shared (int vector) -{ - return (iosapic_intr_info[vector].count > 1); + return (iosapic_intr_info[irq].count > 1); } static int -register_intr (unsigned int gsi, int vector, unsigned char delivery, +register_intr (unsigned int gsi, int irq, unsigned char delivery, unsigned long polarity, unsigned long trigger) { irq_desc_t *idesc; struct hw_interrupt_type *irq_type; - int rte_index; int index; - unsigned long gsi_base; - void __iomem *iosapic_address; struct iosapic_rte_info *rte; index = find_iosapic(gsi); @@ -642,10 +614,7 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery, return -ENODEV; } - iosapic_address = iosapic_lists[index].addr; - gsi_base = iosapic_lists[index].gsi_base; - - rte = gsi_vector_to_rte(gsi, vector); + rte = find_rte(irq, gsi); if (!rte) { rte = iosapic_alloc_rte(); if (!rte) { @@ -654,40 +623,42 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery, return -ENOMEM; } - rte_index = gsi - gsi_base; - rte->rte_index = rte_index; - rte->addr = iosapic_address; - rte->gsi_base = gsi_base; + rte->iosapic = &iosapic_lists[index]; + rte->rte_index = gsi - rte->iosapic->gsi_base; rte->refcnt++; - list_add_tail(&rte->rte_list, &iosapic_intr_info[vector].rtes); - iosapic_intr_info[vector].count++; + list_add_tail(&rte->rte_list, &iosapic_intr_info[irq].rtes); + iosapic_intr_info[irq].count++; iosapic_lists[index].rtes_inuse++; } - else if (vector_is_shared(vector)) { - struct iosapic_intr_info *info = &iosapic_intr_info[vector]; - if (info->trigger != trigger || info->polarity != polarity) { + else if (rte->refcnt == NO_REF_RTE) { + struct iosapic_intr_info *info = &iosapic_intr_info[irq]; + if (info->count > 0 && + (info->trigger != trigger || info->polarity != polarity)){ printk (KERN_WARNING "%s: cannot override the interrupt\n", __FUNCTION__); return -EINVAL; } + rte->refcnt++; + iosapic_intr_info[irq].count++; + iosapic_lists[index].rtes_inuse++; } - iosapic_intr_info[vector].polarity = polarity; - iosapic_intr_info[vector].dmode = delivery; - iosapic_intr_info[vector].trigger = trigger; + iosapic_intr_info[irq].polarity = polarity; + iosapic_intr_info[irq].dmode = delivery; + iosapic_intr_info[irq].trigger = trigger; if (trigger == IOSAPIC_EDGE) irq_type = &irq_type_iosapic_edge; else irq_type = &irq_type_iosapic_level; - idesc = irq_desc + vector; + idesc = irq_desc + irq; if (idesc->chip != irq_type) { if (idesc->chip != &no_irq_type) printk(KERN_WARNING "%s: changing vector %d from %s to %s\n", - __FUNCTION__, vector, + __FUNCTION__, irq_to_vector(irq), idesc->chip->name, irq_type->name); idesc->chip = irq_type; } @@ -695,18 +666,19 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery, } static unsigned int -get_target_cpu (unsigned int gsi, int vector) +get_target_cpu (unsigned int gsi, int irq) { #ifdef CONFIG_SMP static int cpu = -1; extern int cpe_vector; + cpumask_t domain = irq_to_domain(irq); /* * In case of vector shared by multiple RTEs, all RTEs that * share the vector need to use the same destination CPU. */ - if (!list_empty(&iosapic_intr_info[vector].rtes)) - return iosapic_intr_info[vector].dest; + if (!list_empty(&iosapic_intr_info[irq].rtes)) + return iosapic_intr_info[irq].dest; /* * If the platform supports redirection via XTP, let it @@ -723,7 +695,7 @@ get_target_cpu (unsigned int gsi, int vector) return cpu_physical_id(smp_processor_id()); #ifdef CONFIG_ACPI - if (cpe_vector > 0 && vector == IA64_CPEP_VECTOR) + if (cpe_vector > 0 && irq_to_vector(irq) == IA64_CPEP_VECTOR) return get_cpei_target_cpu(); #endif @@ -738,7 +710,7 @@ get_target_cpu (unsigned int gsi, int vector) goto skip_numa_setup; cpu_mask = node_to_cpumask(iosapic_lists[iosapic_index].node); - + cpus_and(cpu_mask, cpu_mask, domain); for_each_cpu_mask(numa_cpu, cpu_mask) { if (!cpu_online(numa_cpu)) cpu_clear(numa_cpu, cpu_mask); @@ -749,8 +721,8 @@ get_target_cpu (unsigned int gsi, int vector) if (!num_cpus) goto skip_numa_setup; - /* Use vector assignment to distribute across cpus in node */ - cpu_index = vector % num_cpus; + /* Use irq assignment to distribute across cpus in node */ + cpu_index = irq % num_cpus; for (numa_cpu = first_cpu(cpu_mask) ; i < cpu_index ; i++) numa_cpu = next_cpu(numa_cpu, cpu_mask); @@ -768,7 +740,7 @@ skip_numa_setup: do { if (++cpu >= NR_CPUS) cpu = 0; - } while (!cpu_online(cpu)); + } while (!cpu_online(cpu) || !cpu_isset(cpu, domain)); return cpu_physical_id(cpu); #else /* CONFIG_SMP */ @@ -785,84 +757,72 @@ int iosapic_register_intr (unsigned int gsi, unsigned long polarity, unsigned long trigger) { - int vector, mask = 1, err; + int irq, mask = 1, err; unsigned int dest; unsigned long flags; struct iosapic_rte_info *rte; u32 low32; -again: + /* * If this GSI has already been registered (i.e., it's a * shared interrupt, or we lost a race to register it), * don't touch the RTE. */ spin_lock_irqsave(&iosapic_lock, flags); - { - vector = gsi_to_vector(gsi); - if (vector > 0) { - rte = gsi_vector_to_rte(gsi, vector); + irq = __gsi_to_irq(gsi); + if (irq > 0) { + rte = find_rte(irq, gsi); + if(iosapic_intr_info[irq].count == 0) { + assign_irq_vector(irq); + dynamic_irq_init(irq); + } else if (rte->refcnt != NO_REF_RTE) { rte->refcnt++; - spin_unlock_irqrestore(&iosapic_lock, flags); - return vector; + goto unlock_iosapic_lock; } - } - spin_unlock_irqrestore(&iosapic_lock, flags); + } else + irq = create_irq(); /* If vector is running out, we try to find a sharable vector */ - vector = assign_irq_vector(AUTO_ASSIGN); - if (vector < 0) { - vector = iosapic_find_sharable_vector(trigger, polarity); - if (vector < 0) - return -ENOSPC; + if (irq < 0) { + irq = iosapic_find_sharable_irq(trigger, polarity); + if (irq < 0) + goto unlock_iosapic_lock; } - spin_lock_irqsave(&irq_desc[vector].lock, flags); - spin_lock(&iosapic_lock); - { - if (gsi_to_vector(gsi) > 0) { - if (list_empty(&iosapic_intr_info[vector].rtes)) - free_irq_vector(vector); - spin_unlock(&iosapic_lock); - spin_unlock_irqrestore(&irq_desc[vector].lock, - flags); - goto again; - } - - dest = get_target_cpu(gsi, vector); - err = register_intr(gsi, vector, IOSAPIC_LOWEST_PRIORITY, - polarity, trigger); - if (err < 0) { - spin_unlock(&iosapic_lock); - spin_unlock_irqrestore(&irq_desc[vector].lock, - flags); - return err; - } - - /* - * If the vector is shared and already unmasked for - * other interrupt sources, don't mask it. - */ - low32 = iosapic_intr_info[vector].low32; - if (vector_is_shared(vector) && !(low32 & IOSAPIC_MASK)) - mask = 0; - set_rte(gsi, vector, dest, mask); + spin_lock(&irq_desc[irq].lock); + dest = get_target_cpu(gsi, irq); + err = register_intr(gsi, irq, IOSAPIC_LOWEST_PRIORITY, + polarity, trigger); + if (err < 0) { + irq = err; + goto unlock_all; } - spin_unlock(&iosapic_lock); - spin_unlock_irqrestore(&irq_desc[vector].lock, flags); + + /* + * If the vector is shared and already unmasked for other + * interrupt sources, don't mask it. + */ + low32 = iosapic_intr_info[irq].low32; + if (irq_is_shared(irq) && !(low32 & IOSAPIC_MASK)) + mask = 0; + set_rte(gsi, irq, dest, mask); printk(KERN_INFO "GSI %u (%s, %s) -> CPU %d (0x%04x) vector %d\n", gsi, (trigger == IOSAPIC_EDGE ? "edge" : "level"), (polarity == IOSAPIC_POL_HIGH ? "high" : "low"), - cpu_logical_id(dest), dest, vector); - - return vector; + cpu_logical_id(dest), dest, irq_to_vector(irq)); + unlock_all: + spin_unlock(&irq_desc[irq].lock); + unlock_iosapic_lock: + spin_unlock_irqrestore(&iosapic_lock, flags); + return irq; } void iosapic_unregister_intr (unsigned int gsi) { unsigned long flags; - int irq, vector, index; + int irq, index; irq_desc_t *idesc; u32 low32; unsigned long trigger, polarity; @@ -881,78 +841,56 @@ iosapic_unregister_intr (unsigned int gsi) WARN_ON(1); return; } - vector = irq_to_vector(irq); - idesc = irq_desc + irq; - spin_lock_irqsave(&idesc->lock, flags); - spin_lock(&iosapic_lock); - { - if ((rte = gsi_vector_to_rte(gsi, vector)) == NULL) { - printk(KERN_ERR - "iosapic_unregister_intr(%u) unbalanced\n", - gsi); - WARN_ON(1); - goto out; - } + spin_lock_irqsave(&iosapic_lock, flags); + if ((rte = find_rte(irq, gsi)) == NULL) { + printk(KERN_ERR "iosapic_unregister_intr(%u) unbalanced\n", + gsi); + WARN_ON(1); + goto out; + } - if (--rte->refcnt > 0) - goto out; + if (--rte->refcnt > 0) + goto out; - /* Mask the interrupt */ - low32 = iosapic_intr_info[vector].low32 | IOSAPIC_MASK; - iosapic_write(rte->addr, IOSAPIC_RTE_LOW(rte->rte_index), - low32); + idesc = irq_desc + irq; + rte->refcnt = NO_REF_RTE; - /* Remove the rte entry from the list */ - list_del(&rte->rte_list); - iosapic_intr_info[vector].count--; - iosapic_free_rte(rte); - index = find_iosapic(gsi); - iosapic_lists[index].rtes_inuse--; - WARN_ON(iosapic_lists[index].rtes_inuse < 0); - - trigger = iosapic_intr_info[vector].trigger; - polarity = iosapic_intr_info[vector].polarity; - dest = iosapic_intr_info[vector].dest; - printk(KERN_INFO - "GSI %u (%s, %s) -> CPU %d (0x%04x)" - " vector %d unregistered\n", - gsi, (trigger == IOSAPIC_EDGE ? "edge" : "level"), - (polarity == IOSAPIC_POL_HIGH ? "high" : "low"), - cpu_logical_id(dest), dest, vector); + /* Mask the interrupt */ + low32 = iosapic_intr_info[irq].low32 | IOSAPIC_MASK; + iosapic_write(rte->iosapic, IOSAPIC_RTE_LOW(rte->rte_index), low32); - if (list_empty(&iosapic_intr_info[vector].rtes)) { - /* Sanity check */ - BUG_ON(iosapic_intr_info[vector].count); + iosapic_intr_info[irq].count--; + index = find_iosapic(gsi); + iosapic_lists[index].rtes_inuse--; + WARN_ON(iosapic_lists[index].rtes_inuse < 0); - /* Clear the interrupt controller descriptor */ - idesc->chip = &no_irq_type; + trigger = iosapic_intr_info[irq].trigger; + polarity = iosapic_intr_info[irq].polarity; + dest = iosapic_intr_info[irq].dest; + printk(KERN_INFO + "GSI %u (%s, %s) -> CPU %d (0x%04x) vector %d unregistered\n", + gsi, (trigger == IOSAPIC_EDGE ? "edge" : "level"), + (polarity == IOSAPIC_POL_HIGH ? "high" : "low"), + cpu_logical_id(dest), dest, irq_to_vector(irq)); + if (iosapic_intr_info[irq].count == 0) { #ifdef CONFIG_SMP - /* Clear affinity */ - cpus_setall(idesc->affinity); + /* Clear affinity */ + cpus_setall(idesc->affinity); #endif - - /* Clear the interrupt information */ - memset(&iosapic_intr_info[vector], 0, - sizeof(struct iosapic_intr_info)); - iosapic_intr_info[vector].low32 |= IOSAPIC_MASK; - INIT_LIST_HEAD(&iosapic_intr_info[vector].rtes); - - if (idesc->action) { - printk(KERN_ERR - "interrupt handlers still exist on" - "IRQ %u\n", irq); - WARN_ON(1); - } - - /* Free the interrupt vector */ - free_irq_vector(vector); - } + /* Clear the interrupt information */ + iosapic_intr_info[irq].dest = 0; + iosapic_intr_info[irq].dmode = 0; + iosapic_intr_info[irq].polarity = 0; + iosapic_intr_info[irq].trigger = 0; + iosapic_intr_info[irq].low32 |= IOSAPIC_MASK; + + /* Destroy and reserve IRQ */ + destroy_and_reserve_irq(irq); } out: - spin_unlock(&iosapic_lock); - spin_unlock_irqrestore(&idesc->lock, flags); + spin_unlock_irqrestore(&iosapic_lock, flags); } /* @@ -965,27 +903,30 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, { static const char * const name[] = {"unknown", "PMI", "INIT", "CPEI"}; unsigned char delivery; - int vector, mask = 0; + int irq, vector, mask = 0; unsigned int dest = ((id << 8) | eid) & 0xffff; switch (int_type) { case ACPI_INTERRUPT_PMI: - vector = iosapic_vector; + irq = vector = iosapic_vector; + bind_irq_vector(irq, vector, CPU_MASK_ALL); /* * since PMI vector is alloc'd by FW(ACPI) not by kernel, * we need to make sure the vector is available */ - iosapic_reassign_vector(vector); + iosapic_reassign_vector(irq); delivery = IOSAPIC_PMI; break; case ACPI_INTERRUPT_INIT: - vector = assign_irq_vector(AUTO_ASSIGN); - if (vector < 0) + irq = create_irq(); + if (irq < 0) panic("%s: out of interrupt vectors!\n", __FUNCTION__); + vector = irq_to_vector(irq); delivery = IOSAPIC_INIT; break; case ACPI_INTERRUPT_CPEI: - vector = IA64_CPE_VECTOR; + irq = vector = IA64_CPE_VECTOR; + BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL)); delivery = IOSAPIC_LOWEST_PRIORITY; mask = 1; break; @@ -995,7 +936,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, return -1; } - register_intr(gsi, vector, delivery, polarity, trigger); + register_intr(gsi, irq, delivery, polarity, trigger); printk(KERN_INFO "PLATFORM int %s (0x%x): GSI %u (%s, %s) -> CPU %d (0x%04x)" @@ -1005,7 +946,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, (polarity == IOSAPIC_POL_HIGH ? "high" : "low"), cpu_logical_id(dest), dest, vector); - set_rte(gsi, vector, dest, mask); + set_rte(gsi, irq, dest, mask); return vector; } @@ -1017,30 +958,32 @@ iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi, unsigned long polarity, unsigned long trigger) { - int vector; + int vector, irq; unsigned int dest = cpu_physical_id(smp_processor_id()); - vector = isa_irq_to_vector(isa_irq); - - register_intr(gsi, vector, IOSAPIC_LOWEST_PRIORITY, polarity, trigger); + irq = vector = isa_irq_to_vector(isa_irq); + BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL)); + register_intr(gsi, irq, IOSAPIC_LOWEST_PRIORITY, polarity, trigger); DBG("ISA: IRQ %u -> GSI %u (%s,%s) -> CPU %d (0x%04x) vector %d\n", isa_irq, gsi, trigger == IOSAPIC_EDGE ? "edge" : "level", polarity == IOSAPIC_POL_HIGH ? "high" : "low", cpu_logical_id(dest), dest, vector); - set_rte(gsi, vector, dest, 1); + set_rte(gsi, irq, dest, 1); } void __init iosapic_system_init (int system_pcat_compat) { - int vector; + int irq; - for (vector = 0; vector < IA64_NUM_VECTORS; ++vector) { - iosapic_intr_info[vector].low32 = IOSAPIC_MASK; + for (irq = 0; irq < NR_IRQS; ++irq) { + iosapic_intr_info[irq].low32 = IOSAPIC_MASK; /* mark as unused */ - INIT_LIST_HEAD(&iosapic_intr_info[vector].rtes); + INIT_LIST_HEAD(&iosapic_intr_info[irq].rtes); + + iosapic_intr_info[irq].count = 0; } pcat_compat = system_pcat_compat; @@ -1108,31 +1051,35 @@ iosapic_init (unsigned long phys_addr, unsigned int gsi_base) unsigned long flags; spin_lock_irqsave(&iosapic_lock, flags); - { - addr = ioremap(phys_addr, 0); - ver = iosapic_version(addr); + index = find_iosapic(gsi_base); + if (index >= 0) { + spin_unlock_irqrestore(&iosapic_lock, flags); + return -EBUSY; + } - if ((err = iosapic_check_gsi_range(gsi_base, ver))) { - iounmap(addr); - spin_unlock_irqrestore(&iosapic_lock, flags); - return err; - } + addr = ioremap(phys_addr, 0); + ver = iosapic_version(addr); + if ((err = iosapic_check_gsi_range(gsi_base, ver))) { + iounmap(addr); + spin_unlock_irqrestore(&iosapic_lock, flags); + return err; + } - /* - * The MAX_REDIR register holds the highest input pin - * number (starting from 0). - * We add 1 so that we can use it for number of pins (= RTEs) - */ - num_rte = ((ver >> 16) & 0xff) + 1; + /* + * The MAX_REDIR register holds the highest input pin number + * (starting from 0). We add 1 so that we can use it for + * number of pins (= RTEs) + */ + num_rte = ((ver >> 16) & 0xff) + 1; - index = iosapic_alloc(); - iosapic_lists[index].addr = addr; - iosapic_lists[index].gsi_base = gsi_base; - iosapic_lists[index].num_rte = num_rte; + index = iosapic_alloc(); + iosapic_lists[index].addr = addr; + iosapic_lists[index].gsi_base = gsi_base; + iosapic_lists[index].num_rte = num_rte; #ifdef CONFIG_NUMA - iosapic_lists[index].node = MAX_NUMNODES; + iosapic_lists[index].node = MAX_NUMNODES; #endif - } + spin_lock_init(&iosapic_lists[index].lock); spin_unlock_irqrestore(&iosapic_lock, flags); if ((gsi_base == 0) && pcat_compat) { @@ -1157,25 +1104,22 @@ iosapic_remove (unsigned int gsi_base) unsigned long flags; spin_lock_irqsave(&iosapic_lock, flags); - { - index = find_iosapic(gsi_base); - if (index < 0) { - printk(KERN_WARNING "%s: No IOSAPIC for GSI base %u\n", - __FUNCTION__, gsi_base); - goto out; - } - - if (iosapic_lists[index].rtes_inuse) { - err = -EBUSY; - printk(KERN_WARNING - "%s: IOSAPIC for GSI base %u is busy\n", - __FUNCTION__, gsi_base); - goto out; - } + index = find_iosapic(gsi_base); + if (index < 0) { + printk(KERN_WARNING "%s: No IOSAPIC for GSI base %u\n", + __FUNCTION__, gsi_base); + goto out; + } - iounmap(iosapic_lists[index].addr); - iosapic_free(index); + if (iosapic_lists[index].rtes_inuse) { + err = -EBUSY; + printk(KERN_WARNING "%s: IOSAPIC for GSI base %u is busy\n", + __FUNCTION__, gsi_base); + goto out; } + + iounmap(iosapic_lists[index].addr); + iosapic_free(index); out: spin_unlock_irqrestore(&iosapic_lock, flags); return err; diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c index 407b4587048..cc3ee4ef37a 100644 --- a/arch/ia64/kernel/irq.c +++ b/arch/ia64/kernel/irq.c @@ -35,7 +35,7 @@ void ack_bad_irq(unsigned int irq) #ifdef CONFIG_IA64_GENERIC unsigned int __ia64_local_vector_to_irq (ia64_vector vec) { - return (unsigned int) vec; + return __get_cpu_var(vector_irq)[vec]; } #endif diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index bc47049f060..91797c11116 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -46,6 +46,12 @@ #define IRQ_DEBUG 0 +#define IRQ_VECTOR_UNASSIGNED (0) + +#define IRQ_UNUSED (0) +#define IRQ_USED (1) +#define IRQ_RSVD (2) + /* These can be overridden in platform_irq_init */ int ia64_first_device_vector = IA64_DEF_FIRST_DEVICE_VECTOR; int ia64_last_device_vector = IA64_DEF_LAST_DEVICE_VECTOR; @@ -54,6 +60,8 @@ int ia64_last_device_vector = IA64_DEF_LAST_DEVICE_VECTOR; void __iomem *ipi_base_addr = ((void __iomem *) (__IA64_UNCACHED_OFFSET | IA64_IPI_DEFAULT_BASE_ADDR)); +static cpumask_t vector_allocation_domain(int cpu); + /* * Legacy IRQ to IA-64 vector translation table. */ @@ -64,46 +72,269 @@ __u8 isa_irq_to_vector_map[16] = { }; EXPORT_SYMBOL(isa_irq_to_vector_map); -static unsigned long ia64_vector_mask[BITS_TO_LONGS(IA64_MAX_DEVICE_VECTORS)]; +DEFINE_SPINLOCK(vector_lock); + +struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = { + [0 ... NR_IRQS - 1] = { + .vector = IRQ_VECTOR_UNASSIGNED, + .domain = CPU_MASK_NONE + } +}; + +DEFINE_PER_CPU(int[IA64_NUM_VECTORS], vector_irq) = { + [0 ... IA64_NUM_VECTORS - 1] = IA64_SPURIOUS_INT_VECTOR +}; + +static cpumask_t vector_table[IA64_MAX_DEVICE_VECTORS] = { + [0 ... IA64_MAX_DEVICE_VECTORS - 1] = CPU_MASK_NONE +}; + +static int irq_status[NR_IRQS] = { + [0 ... NR_IRQS -1] = IRQ_UNUSED +}; + +int check_irq_used(int irq) +{ + if (irq_status[irq] == IRQ_USED) + return 1; + + return -1; +} + +static void reserve_irq(unsigned int irq) +{ + unsigned long flags; + + spin_lock_irqsave(&vector_lock, flags); + irq_status[irq] = IRQ_RSVD; + spin_unlock_irqrestore(&vector_lock, flags); +} + +static inline int find_unassigned_irq(void) +{ + int irq; + + for (irq = IA64_FIRST_DEVICE_VECTOR; irq < NR_IRQS; irq++) + if (irq_status[irq] == IRQ_UNUSED) + return irq; + return -ENOSPC; +} + +static inline int find_unassigned_vector(cpumask_t domain) +{ + cpumask_t mask; + int pos; + + cpus_and(mask, domain, cpu_online_map); + if (cpus_empty(mask)) + return -EINVAL; + + for (pos = 0; pos < IA64_NUM_DEVICE_VECTORS; pos++) { + cpus_and(mask, domain, vector_table[pos]); + if (!cpus_empty(mask)) + continue; + return IA64_FIRST_DEVICE_VECTOR + pos; + } + return -ENOSPC; +} + +static int __bind_irq_vector(int irq, int vector, cpumask_t domain) +{ + cpumask_t mask; + int cpu, pos; + struct irq_cfg *cfg = &irq_cfg[irq]; + + cpus_and(mask, domain, cpu_online_map); + if (cpus_empty(mask)) + return -EINVAL; + if ((cfg->vector == vector) && cpus_equal(cfg->domain, domain)) + return 0; + if (cfg->vector != IRQ_VECTOR_UNASSIGNED) + return -EBUSY; + for_each_cpu_mask(cpu, mask) + per_cpu(vector_irq, cpu)[vector] = irq; + cfg->vector = vector; + cfg->domain = domain; + irq_status[irq] = IRQ_USED; + pos = vector - IA64_FIRST_DEVICE_VECTOR; + cpus_or(vector_table[pos], vector_table[pos], domain); + return 0; +} + +int bind_irq_vector(int irq, int vector, cpumask_t domain) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&vector_lock, flags); + ret = __bind_irq_vector(irq, vector, domain); + spin_unlock_irqrestore(&vector_lock, flags); + return ret; +} + +static void __clear_irq_vector(int irq) +{ + int vector, cpu, pos; + cpumask_t mask; + cpumask_t domain; + struct irq_cfg *cfg = &irq_cfg[irq]; + + BUG_ON((unsigned)irq >= NR_IRQS); + BUG_ON(cfg->vector == IRQ_VECTOR_UNASSIGNED); + vector = cfg->vector; + domain = cfg->domain; + cpus_and(mask, cfg->domain, cpu_online_map); + for_each_cpu_mask(cpu, mask) + per_cpu(vector_irq, cpu)[vector] = IA64_SPURIOUS_INT_VECTOR; + cfg->vector = IRQ_VECTOR_UNASSIGNED; + cfg->domain = CPU_MASK_NONE; + irq_status[irq] = IRQ_UNUSED; + pos = vector - IA64_FIRST_DEVICE_VECTOR; + cpus_andnot(vector_table[pos], vector_table[pos], domain); +} + +static void clear_irq_vector(int irq) +{ + unsigned long flags; + + spin_lock_irqsave(&vector_lock, flags); + __clear_irq_vector(irq); + spin_unlock_irqrestore(&vector_lock, flags); +} int assign_irq_vector (int irq) { - int pos, vector; - again: - pos = find_first_zero_bit(ia64_vector_mask, IA64_NUM_DEVICE_VECTORS); - vector = IA64_FIRST_DEVICE_VECTOR + pos; - if (vector > IA64_LAST_DEVICE_VECTOR) - return -ENOSPC; - if (test_and_set_bit(pos, ia64_vector_mask)) - goto again; + unsigned long flags; + int vector, cpu; + cpumask_t domain; + + vector = -ENOSPC; + + spin_lock_irqsave(&vector_lock, flags); + if (irq < 0) { + goto out; + } + for_each_online_cpu(cpu) { + domain = vector_allocation_domain(cpu); + vector = find_unassigned_vector(domain); + if (vector >= 0) + break; + } + if (vector < 0) + goto out; + BUG_ON(__bind_irq_vector(irq, vector, domain)); + out: + spin_unlock_irqrestore(&vector_lock, flags); return vector; } void free_irq_vector (int vector) { - int pos; - - if (vector < IA64_FIRST_DEVICE_VECTOR || vector > IA64_LAST_DEVICE_VECTOR) + if (vector < IA64_FIRST_DEVICE_VECTOR || + vector > IA64_LAST_DEVICE_VECTOR) return; - - pos = vector - IA64_FIRST_DEVICE_VECTOR; - if (!test_and_clear_bit(pos, ia64_vector_mask)) - printk(KERN_WARNING "%s: double free!\n", __FUNCTION__); + clear_irq_vector(vector); } int reserve_irq_vector (int vector) { - int pos; - if (vector < IA64_FIRST_DEVICE_VECTOR || vector > IA64_LAST_DEVICE_VECTOR) return -EINVAL; + return !!bind_irq_vector(vector, vector, CPU_MASK_ALL); +} - pos = vector - IA64_FIRST_DEVICE_VECTOR; - return test_and_set_bit(pos, ia64_vector_mask); +/* + * Initialize vector_irq on a new cpu. This function must be called + * with vector_lock held. + */ +void __setup_vector_irq(int cpu) +{ + int irq, vector; + + /* Clear vector_irq */ + for (vector = 0; vector < IA64_NUM_VECTORS; ++vector) + per_cpu(vector_irq, cpu)[vector] = IA64_SPURIOUS_INT_VECTOR; + /* Mark the inuse vectors */ + for (irq = 0; irq < NR_IRQS; ++irq) { + if (!cpu_isset(cpu, irq_cfg[irq].domain)) + continue; + vector = irq_to_vector(irq); + per_cpu(vector_irq, cpu)[vector] = irq; + } +} + +#if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG)) +static enum vector_domain_type { + VECTOR_DOMAIN_NONE, + VECTOR_DOMAIN_PERCPU +} vector_domain_type = VECTOR_DOMAIN_NONE; + +static cpumask_t vector_allocation_domain(int cpu) +{ + if (vector_domain_type == VECTOR_DOMAIN_PERCPU) + return cpumask_of_cpu(cpu); + return CPU_MASK_ALL; +} + +static int __init parse_vector_domain(char *arg) +{ + if (!arg) + return -EINVAL; + if (!strcmp(arg, "percpu")) { + vector_domain_type = VECTOR_DOMAIN_PERCPU; + no_int_routing = 1; + } + return 1; +} +early_param("vector", parse_vector_domain); +#else +static cpumask_t vector_allocation_domain(int cpu) +{ + return CPU_MASK_ALL; +} +#endif + + +void destroy_and_reserve_irq(unsigned int irq) +{ + dynamic_irq_cleanup(irq); + + clear_irq_vector(irq); + reserve_irq(irq); +} + +static int __reassign_irq_vector(int irq, int cpu) +{ + struct irq_cfg *cfg = &irq_cfg[irq]; + int vector; + cpumask_t domain; + + if (cfg->vector == IRQ_VECTOR_UNASSIGNED || !cpu_online(cpu)) + return -EINVAL; + if (cpu_isset(cpu, cfg->domain)) + return 0; + domain = vector_allocation_domain(cpu); + vector = find_unassigned_vector(domain); + if (vector < 0) + return -ENOSPC; + __clear_irq_vector(irq); + BUG_ON(__bind_irq_vector(irq, vector, domain)); + return 0; +} + +int reassign_irq_vector(int irq, int cpu) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&vector_lock, flags); + ret = __reassign_irq_vector(irq, cpu); + spin_unlock_irqrestore(&vector_lock, flags); + return ret; } /* @@ -111,18 +342,35 @@ reserve_irq_vector (int vector) */ int create_irq(void) { - int vector = assign_irq_vector(AUTO_ASSIGN); - - if (vector >= 0) - dynamic_irq_init(vector); - - return vector; + unsigned long flags; + int irq, vector, cpu; + cpumask_t domain; + + irq = vector = -ENOSPC; + spin_lock_irqsave(&vector_lock, flags); + for_each_online_cpu(cpu) { + domain = vector_allocation_domain(cpu); + vector = find_unassigned_vector(domain); + if (vector >= 0) + break; + } + if (vector < 0) + goto out; + irq = find_unassigned_irq(); + if (irq < 0) + goto out; + BUG_ON(__bind_irq_vector(irq, vector, domain)); + out: + spin_unlock_irqrestore(&vector_lock, flags); + if (irq >= 0) + dynamic_irq_init(irq); + return irq; } void destroy_irq(unsigned int irq) { dynamic_irq_cleanup(irq); - free_irq_vector(irq); + clear_irq_vector(irq); } #ifdef CONFIG_SMP @@ -301,14 +549,13 @@ register_percpu_irq (ia64_vector vec, struct irqaction *action) irq_desc_t *desc; unsigned int irq; - for (irq = 0; irq < NR_IRQS; ++irq) - if (irq_to_vector(irq) == vec) { - desc = irq_desc + irq; - desc->status |= IRQ_PER_CPU; - desc->chip = &irq_type_ia64_lsapic; - if (action) - setup_irq(irq, action); - } + irq = vec; + BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL)); + desc = irq_desc + irq; + desc->status |= IRQ_PER_CPU; + desc->chip = &irq_type_ia64_lsapic; + if (action) + setup_irq(irq, action); } void __init diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 5bc46f15134..5dc98b5abcf 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -936,10 +936,15 @@ static void ia64_get_bsp_cfm(struct unw_frame_info *info, void *arg) return; } +unsigned long arch_deref_entry_point(void *entry) +{ + return ((struct fnptr *)entry)->ip; +} + int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) { struct jprobe *jp = container_of(p, struct jprobe, kp); - unsigned long addr = ((struct fnptr *)(jp->entry))->ip; + unsigned long addr = arch_deref_entry_point(jp->entry); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); struct param_bsp_cfm pa; int bytes; diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c index c81080df70d..2fdbd5c3f21 100644 --- a/arch/ia64/kernel/msi_ia64.c +++ b/arch/ia64/kernel/msi_ia64.c @@ -13,6 +13,7 @@ #define MSI_DATA_VECTOR_SHIFT 0 #define MSI_DATA_VECTOR(v) (((u8)v) << MSI_DATA_VECTOR_SHIFT) +#define MSI_DATA_VECTOR_MASK 0xffffff00 #define MSI_DATA_DELIVERY_SHIFT 8 #define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_SHIFT) @@ -50,17 +51,29 @@ static struct irq_chip ia64_msi_chip; static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) { struct msi_msg msg; - u32 addr; + u32 addr, data; + int cpu = first_cpu(cpu_mask); + + if (!cpu_online(cpu)) + return; + + if (reassign_irq_vector(irq, cpu)) + return; read_msi_msg(irq, &msg); addr = msg.address_lo; addr &= MSI_ADDR_DESTID_MASK; - addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(first_cpu(cpu_mask))); + addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu)); msg.address_lo = addr; + data = msg.data; + data &= MSI_DATA_VECTOR_MASK; + data |= MSI_DATA_VECTOR(irq_to_vector(irq)); + msg.data = data; + write_msi_msg(irq, &msg); - irq_desc[irq].affinity = cpu_mask; + irq_desc[irq].affinity = cpumask_of_cpu(cpu); } #endif /* CONFIG_SMP */ @@ -69,13 +82,15 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) struct msi_msg msg; unsigned long dest_phys_id; int irq, vector; + cpumask_t mask; irq = create_irq(); if (irq < 0) return irq; set_irq_msi(irq, desc); - dest_phys_id = cpu_physical_id(first_cpu(cpu_online_map)); + cpus_and(mask, irq_to_domain(irq), cpu_online_map); + dest_phys_id = cpu_physical_id(first_cpu(mask)); vector = irq_to_vector(irq); msg.address_hi = 0; diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index b3a47f986e1..9f72838db26 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -82,7 +82,7 @@ static volatile struct call_data_struct *call_data; #define IPI_KDUMP_CPU_STOP 3 /* This needs to be cacheline aligned because it is written to by *other* CPUs. */ -static DEFINE_PER_CPU(u64, ipi_operation) ____cacheline_aligned; +static DEFINE_PER_CPU_SHARED_ALIGNED(u64, ipi_operation); extern void cpu_halt (void); diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 3c9d8e6089c..9f5c90b594b 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -395,9 +395,13 @@ smp_callin (void) fix_b0_for_bsp(); lock_ipi_calllock(); + spin_lock(&vector_lock); + /* Setup the per cpu irq handling data structures */ + __setup_vector_irq(cpuid); cpu_set(cpuid, cpu_online_map); unlock_ipi_calllock(); per_cpu(cpu_state, cpuid) = CPU_ONLINE; + spin_unlock(&vector_lock); smp_setup_percpu_timer(); diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 5a65965c8b5..860f251d2fc 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -206,6 +206,7 @@ SECTIONS { __per_cpu_start = .; *(.data.percpu) + *(.data.percpu.shared_aligned) __per_cpu_end = .; } . = __phys_per_cpu_start + PERCPU_PAGE_SIZE; /* ensure percpu data fits diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index b87f785c241..73ccb6010c0 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -80,6 +80,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re struct mm_struct *mm = current->mm; struct siginfo si; unsigned long mask; + int fault; /* mmap_sem is performance critical.... */ prefetchw(&mm->mmap_sem); @@ -147,26 +148,25 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re * sure we exit gracefully rather than endlessly redo the * fault. */ - switch (handle_mm_fault(mm, vma, address, (mask & VM_WRITE) != 0)) { - case VM_FAULT_MINOR: - ++current->min_flt; - break; - case VM_FAULT_MAJOR: - ++current->maj_flt; - break; - case VM_FAULT_SIGBUS: + fault = handle_mm_fault(mm, vma, address, (mask & VM_WRITE) != 0); + if (unlikely(fault & VM_FAULT_ERROR)) { /* * We ran out of memory, or some other thing happened * to us that made us unable to handle the page fault * gracefully. */ - signal = SIGBUS; - goto bad_area; - case VM_FAULT_OOM: - goto out_of_memory; - default: + if (fault & VM_FAULT_OOM) { + goto out_of_memory; + } else if (fault & VM_FAULT_SIGBUS) { + signal = SIGBUS; + goto bad_area; + } BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S index 4e2d5b9f0a9..942a8c7a441 100644 --- a/arch/m32r/kernel/vmlinux.lds.S +++ b/arch/m32r/kernel/vmlinux.lds.S @@ -110,10 +110,7 @@ SECTIONS __initramfs_end = .; #endif - . = ALIGN(4096); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(4096) . = ALIGN(4096); __init_end = .; /* freed after init ends here */ diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c index f3935ba2494..676a1c443d2 100644 --- a/arch/m32r/mm/fault.c +++ b/arch/m32r/mm/fault.c @@ -80,6 +80,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, struct vm_area_struct * vma; unsigned long page, addr; int write; + int fault; siginfo_t info; /* @@ -195,20 +196,18 @@ survive: */ addr = (address & PAGE_MASK); set_thread_fault_code(error_code); - switch (handle_mm_fault(mm, vma, addr, write)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: + fault = handle_mm_fault(mm, vma, addr, write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) goto out_of_memory; - default: - BUG(); + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; set_thread_fault_code(0); up_read(&mm->mmap_sem); return; diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index 2adbeb16e1b..578b48f47b9 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -159,18 +159,17 @@ good_area: #ifdef DEBUG printk("handle_mm_fault returns %d\n",fault); #endif - switch (fault) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto bus_err; - default: - goto out_of_memory; + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto bus_err; + BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); return 0; diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index adc64a2bafb..1175ceff8b2 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -45,6 +45,10 @@ config GENERIC_HWEIGHT bool default y +config GENERIC_HARDIRQS + bool + default y + config GENERIC_CALIBRATE_DELAY bool default y diff --git a/arch/m68knommu/kernel/Makefile b/arch/m68knommu/kernel/Makefile index 1c6cd1ab571..1524b39ad63 100644 --- a/arch/m68knommu/kernel/Makefile +++ b/arch/m68knommu/kernel/Makefile @@ -4,8 +4,8 @@ extra-y := vmlinux.lds -obj-y += dma.o entry.o init_task.o m68k_ksyms.o process.o ptrace.o semaphore.o \ - setup.o signal.o syscalltable.o sys_m68k.o time.o traps.o +obj-y += dma.o entry.o init_task.o irq.o m68k_ksyms.o process.o ptrace.o \ + semaphore.o setup.o signal.o syscalltable.o sys_m68k.o time.o traps.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_COMEMPCI) += comempci.o diff --git a/arch/m68knommu/kernel/asm-offsets.c b/arch/m68knommu/kernel/asm-offsets.c index 7cd183d346e..d97b89bae53 100644 --- a/arch/m68knommu/kernel/asm-offsets.c +++ b/arch/m68knommu/kernel/asm-offsets.c @@ -15,7 +15,6 @@ #include <linux/hardirq.h> #include <asm/bootinfo.h> #include <asm/irq.h> -#include <asm/irqnode.h> #include <asm/thread_info.h> #define DEFINE(sym, val) \ @@ -72,10 +71,6 @@ int main(void) #else /* bitfields are a bit difficult */ DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4); - /* offsets into the irq_handler struct */ - DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler)); - DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id)); - DEFINE(IRQ_NEXT, offsetof(struct irq_node, next)); #endif /* offsets into the kernel_stat struct */ diff --git a/arch/m68knommu/kernel/irq.c b/arch/m68knommu/kernel/irq.c new file mode 100644 index 00000000000..bba1bb48a21 --- /dev/null +++ b/arch/m68knommu/kernel/irq.c @@ -0,0 +1,82 @@ +/* + * irq.c + * + * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/kernel_stat.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/seq_file.h> +#include <asm/system.h> +#include <asm/traps.h> + +asmlinkage void do_IRQ(int irq, struct pt_regs *regs) +{ + struct pt_regs *oldregs = set_irq_regs(regs); + + irq_enter(); + __do_IRQ(irq); + irq_exit(); + + set_irq_regs(oldregs); +} + +void ack_bad_irq(unsigned int irq) +{ + printk(KERN_ERR "IRQ: unexpected irq=%d\n", irq); +} + +static struct irq_chip m_irq_chip = { + .name = "M68K-INTC", + .enable = enable_vector, + .disable = disable_vector, + .ack = ack_vector, +}; + +void __init init_IRQ(void) +{ + int irq; + + init_vectors(); + + for (irq = 0; (irq < NR_IRQS); irq++) { + irq_desc[irq].status = IRQ_DISABLED; + irq_desc[irq].action = NULL; + irq_desc[irq].depth = 1; + irq_desc[irq].chip = &m_irq_chip; + } +} + +int show_interrupts(struct seq_file *p, void *v) +{ + struct irqaction *ap; + int irq = *((loff_t *) v); + + if (irq == 0) + seq_puts(p, " CPU0\n"); + + if (irq < NR_IRQS) { + ap = irq_desc[irq].action; + if (ap) { + seq_printf(p, "%3d: ", irq); + seq_printf(p, "%10u ", kstat_irqs(irq)); + seq_printf(p, "%14s ", irq_desc[irq].chip->name); + + seq_printf(p, "%s", ap->name); + for (ap = ap->next; ap; ap = ap->next) + seq_printf(p, ", %s", ap->name); + seq_putc(p, '\n'); + } + } + + return 0; +} + diff --git a/arch/m68knommu/kernel/m68k_ksyms.c b/arch/m68knommu/kernel/m68k_ksyms.c index 25327c9eadd..f795062aba1 100644 --- a/arch/m68knommu/kernel/m68k_ksyms.c +++ b/arch/m68knommu/kernel/m68k_ksyms.c @@ -81,8 +81,6 @@ EXPORT_SYMBOL(__mulsi3); EXPORT_SYMBOL(__udivsi3); EXPORT_SYMBOL(__umodsi3); -EXPORT_SYMBOL(is_in_rom); - #ifdef CONFIG_COLDFIRE extern unsigned int *dma_device_address; extern unsigned long dma_base_addr, _ramend; diff --git a/arch/m68knommu/kernel/traps.c b/arch/m68knommu/kernel/traps.c index fde04e1757f..437a061d8b9 100644 --- a/arch/m68knommu/kernel/traps.c +++ b/arch/m68knommu/kernel/traps.c @@ -62,8 +62,6 @@ static char const * const vec_names[] = { void __init trap_init(void) { - if (mach_trap_init) - mach_trap_init(); } void die_if_kernel(char *str, struct pt_regs *fp, int nr) @@ -82,7 +80,7 @@ void die_if_kernel(char *str, struct pt_regs *fp, int nr) printk(KERN_EMERG "Process %s (pid: %d, stackpage=%08lx)\n", current->comm, current->pid, PAGE_SIZE+(unsigned long)current); - show_stack(NULL, (unsigned long *)fp); + show_stack(NULL, (unsigned long *)(fp + 1)); add_taint(TAINT_DIE); do_exit(SIGSEGV); } diff --git a/arch/m68knommu/mm/memory.c b/arch/m68knommu/mm/memory.c index 1a66b71035a..f93b88b51f9 100644 --- a/arch/m68knommu/mm/memory.c +++ b/arch/m68knommu/mm/memory.c @@ -33,23 +33,3 @@ unsigned long kernel_map(unsigned long paddr, unsigned long size, return paddr; } - -int is_in_rom(unsigned long addr) -{ - extern unsigned long _ramstart, _ramend; - - /* - * What we are really trying to do is determine if addr is - * in an allocated kernel memory region. If not then assume - * we cannot free it or otherwise de-allocate it. Ideally - * we could restrict this to really being in a ROM or flash, - * but that would need to be done on a board by board basis, - * not globally. - */ - if ((addr < _ramstart) || (addr >= _ramend)) - return(1); - - /* Default case, not in ROM */ - return(0); -} - diff --git a/arch/m68knommu/platform/5307/Makefile b/arch/m68knommu/platform/5307/Makefile index 2fd37dcc309..719a313494b 100644 --- a/arch/m68knommu/platform/5307/Makefile +++ b/arch/m68knommu/platform/5307/Makefile @@ -16,7 +16,7 @@ ifdef CONFIG_FULLDEBUG AFLAGS += -DDEBUGGER_COMPATIBLE_CACHE=1 endif -obj-$(CONFIG_COLDFIRE) += entry.o vectors.o ints.o +obj-$(CONFIG_COLDFIRE) += entry.o vectors.o obj-$(CONFIG_M5206) += timers.o obj-$(CONFIG_M5206e) += timers.o obj-$(CONFIG_M520x) += pit.o diff --git a/arch/m68knommu/platform/5307/entry.S b/arch/m68knommu/platform/5307/entry.S index f0dba84d910..c358aebe0af 100644 --- a/arch/m68knommu/platform/5307/entry.S +++ b/arch/m68knommu/platform/5307/entry.S @@ -1,7 +1,7 @@ /* * linux/arch/m68knommu/platform/5307/entry.S * - * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 1999-2007, Greg Ungerer (gerg@snapgear.com) * Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>, * Kenneth Albanowski <kjahds@kjahds.com>, * Copyright (C) 2000 Lineo Inc. (www.lineo.com) @@ -155,34 +155,21 @@ Lsignal_return: /* * This is the generic interrupt handler (for all hardware interrupt - * sources). It figures out the vector number and calls the appropriate - * interrupt service routine directly. + * sources). Calls upto high level code to do all the work. */ ENTRY(inthandler) SAVE_ALL moveq #-1,%d0 movel %d0,%sp@(PT_ORIG_D0) - addql #1,local_irq_count movew %sp@(PT_FORMATVEC),%d0 /* put exception # in d0 */ andl #0x03fc,%d0 /* mask out vector only */ - leal per_cpu__kstat+STAT_IRQ,%a0 - addql #1,%a0@(%d0) - + movel %sp,%sp@- /* push regs arg */ lsrl #2,%d0 /* calculate real vector # */ - movel %d0,%d1 /* calculate array offset */ - lsll #4,%d1 - lea irq_list,%a0 - addl %d1,%a0 /* pointer to array struct */ - - movel %sp,%sp@- /* push regs arg onto stack */ - movel %a0@(8),%sp@- /* push devid arg */ - movel %d0,%sp@- /* push vector # on stack */ - - movel %a0@,%a0 /* get function to call */ - jbsr %a0@ /* call vector handler */ - lea %sp@(12),%sp /* pop parameters off stack */ + movel %d0,%sp@- /* push vector number */ + jbsr do_IRQ /* call high level irq handler */ + lea %sp@(8),%sp /* pop args off stack */ bra ret_from_interrupt /* this was fallthrough */ @@ -198,24 +185,15 @@ ENTRY(fasthandler) movew %sp@(PT_FORMATVEC),%d0 andl #0x03fc,%d0 /* mask out vector only */ - leal per_cpu__kstat+STAT_IRQ,%a0 - addql #1,%a0@(%d0) - - movel %sp,%sp@- /* push regs arg onto stack */ - clrl %sp@- /* push devid arg */ + movel %sp,%sp@- /* push regs arg */ lsrl #2,%d0 /* calculate real vector # */ - movel %d0,%sp@- /* push vector # on stack */ - - lsll #4,%d0 /* adjust for array offset */ - lea irq_list,%a0 - movel %a0@(%d0),%a0 /* get function to call */ - jbsr %a0@ /* call vector handler */ - lea %sp@(12),%sp /* pop parameters off stack */ + movel %d0,%sp@- /* push vector number */ + jbsr do_IRQ /* call high level irq handler */ + lea %sp@(8),%sp /* pop args off stack */ RESTORE_LOCAL ENTRY(ret_from_interrupt) - subql #1,local_irq_count jeq 2f 1: RESTORE_ALL diff --git a/arch/m68knommu/platform/5307/ints.c b/arch/m68knommu/platform/5307/ints.c deleted file mode 100644 index 751633038c4..00000000000 --- a/arch/m68knommu/platform/5307/ints.c +++ /dev/null @@ -1,279 +0,0 @@ -/* - * linux/arch/m68knommu/kernel/ints.c -- General interrupt handling code - * - * Copyright (C) 1999-2002 Greg Ungerer (gerg@snapgear.com) - * Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>, - * Kenneth Albanowski <kjahds@kjahds.com>, - * Copyright (C) 2000 Lineo Inc. (www.lineo.com) - * - * Based on: - * - * linux/arch/m68k/kernel/ints.c -- Linux/m68k general interrupt handling code - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/kernel_stat.h> -#include <linux/errno.h> -#include <linux/seq_file.h> - -#include <asm/system.h> -#include <asm/irq.h> -#include <asm/irqnode.h> -#include <asm/traps.h> -#include <asm/page.h> -#include <asm/machdep.h> - -/* - * This table stores the address info for each vector handler. - */ -struct irq_entry irq_list[SYS_IRQS]; - -#define NUM_IRQ_NODES 16 -static irq_node_t nodes[NUM_IRQ_NODES]; - -/* The number of spurious interrupts */ -volatile unsigned int num_spurious; - -unsigned int local_irq_count[NR_CPUS]; - -static irqreturn_t default_irq_handler(int irq, void *ptr) -{ -#if 1 - printk(KERN_INFO "%s(%d): default irq handler vec=%d [0x%x]\n", - __FILE__, __LINE__, irq, irq); -#endif - return(IRQ_HANDLED); -} - -/* - * void init_IRQ(void) - * - * Parameters: None - * - * Returns: Nothing - * - * This function should be called during kernel startup to initialize - * the IRQ handling routines. - */ - -void __init init_IRQ(void) -{ - int i; - - for (i = 0; i < SYS_IRQS; i++) { - if (mach_default_handler) - irq_list[i].handler = mach_default_handler; - else - irq_list[i].handler = default_irq_handler; - irq_list[i].flags = IRQ_FLG_STD; - irq_list[i].dev_id = NULL; - irq_list[i].devname = NULL; - } - - for (i = 0; i < NUM_IRQ_NODES; i++) - nodes[i].handler = NULL; - - if (mach_init_IRQ) - mach_init_IRQ(); -} - -irq_node_t *new_irq_node(void) -{ - irq_node_t *node; - short i; - - for (node = nodes, i = NUM_IRQ_NODES-1; i >= 0; node++, i--) - if (!node->handler) - return node; - - printk(KERN_INFO "new_irq_node: out of nodes\n"); - return NULL; -} - -int request_irq( - unsigned int irq, - irq_handler_t handler, - unsigned long flags, - const char *devname, - void *dev_id) -{ - if (irq < 0 || irq >= NR_IRQS) { - printk(KERN_WARNING "%s: Incorrect IRQ %d from %s\n", __FUNCTION__, - irq, devname); - return -ENXIO; - } - - if (!(irq_list[irq].flags & IRQ_FLG_STD)) { - if (irq_list[irq].flags & IRQ_FLG_LOCK) { - printk(KERN_WARNING "%s: IRQ %d from %s is not replaceable\n", - __FUNCTION__, irq, irq_list[irq].devname); - return -EBUSY; - } - if (flags & IRQ_FLG_REPLACE) { - printk(KERN_WARNING "%s: %s can't replace IRQ %d from %s\n", - __FUNCTION__, devname, irq, irq_list[irq].devname); - return -EBUSY; - } - } - - if (flags & IRQ_FLG_FAST) { - extern asmlinkage void fasthandler(void); - extern void set_evector(int vecnum, void (*handler)(void)); - set_evector(irq, fasthandler); - } - - irq_list[irq].handler = handler; - irq_list[irq].flags = flags; - irq_list[irq].dev_id = dev_id; - irq_list[irq].devname = devname; - return 0; -} - -EXPORT_SYMBOL(request_irq); - -void free_irq(unsigned int irq, void *dev_id) -{ - if (irq >= NR_IRQS) { - printk(KERN_WARNING "%s: Incorrect IRQ %d\n", __FUNCTION__, irq); - return; - } - - if (irq_list[irq].dev_id != dev_id) - printk(KERN_WARNING "%s: Removing probably wrong IRQ %d from %s\n", - __FUNCTION__, irq, irq_list[irq].devname); - - if (irq_list[irq].flags & IRQ_FLG_FAST) { - extern asmlinkage void inthandler(void); - extern void set_evector(int vecnum, void (*handler)(void)); - set_evector(irq, inthandler); - } - - if (mach_default_handler) - irq_list[irq].handler = mach_default_handler; - else - irq_list[irq].handler = default_irq_handler; - irq_list[irq].flags = IRQ_FLG_STD; - irq_list[irq].dev_id = NULL; - irq_list[irq].devname = NULL; -} - -EXPORT_SYMBOL(free_irq); - - -int sys_request_irq(unsigned int irq, irq_handler_t handler, - unsigned long flags, const char *devname, void *dev_id) -{ - if (irq > IRQ7) { - printk(KERN_WARNING "%s: Incorrect IRQ %d from %s\n", - __FUNCTION__, irq, devname); - return -ENXIO; - } - -#if 0 - if (!(irq_list[irq].flags & IRQ_FLG_STD)) { - if (irq_list[irq].flags & IRQ_FLG_LOCK) { - printk(KERN_WARNING "%s: IRQ %d from %s is not replaceable\n", - __FUNCTION__, irq, irq_list[irq].devname); - return -EBUSY; - } - if (!(flags & IRQ_FLG_REPLACE)) { - printk(KERN_WARNING "%s: %s can't replace IRQ %d from %s\n", - __FUNCTION__, devname, irq, irq_list[irq].devname); - return -EBUSY; - } - } -#endif - - irq_list[irq].handler = handler; - irq_list[irq].flags = flags; - irq_list[irq].dev_id = dev_id; - irq_list[irq].devname = devname; - return 0; -} - -void sys_free_irq(unsigned int irq, void *dev_id) -{ - if (irq > IRQ7) { - printk(KERN_WARNING "%s: Incorrect IRQ %d\n", __FUNCTION__, irq); - return; - } - - if (irq_list[irq].dev_id != dev_id) - printk(KERN_WARNING "%s: Removing probably wrong IRQ %d from %s\n", - __FUNCTION__, irq, irq_list[irq].devname); - - irq_list[irq].handler = mach_default_handler; - irq_list[irq].flags = 0; - irq_list[irq].dev_id = NULL; - irq_list[irq].devname = NULL; -} - -/* - * Do we need these probe functions on the m68k? - * - * ... may be useful with ISA devices - */ -unsigned long probe_irq_on (void) -{ - return 0; -} - -EXPORT_SYMBOL(probe_irq_on); - -int probe_irq_off (unsigned long irqs) -{ - return 0; -} - -EXPORT_SYMBOL(probe_irq_off); - -asmlinkage void process_int(unsigned long vec, struct pt_regs *fp) -{ - if (vec >= VEC_INT1 && vec <= VEC_INT7) { - vec -= VEC_SPUR; - kstat_cpu(0).irqs[vec]++; - irq_list[vec].handler(vec, irq_list[vec].dev_id); - } else { - if (mach_process_int) - mach_process_int(vec, fp); - else - panic("Can't process interrupt vector %ld\n", vec); - return; - } -} - - -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v; - - if (i < NR_IRQS) { - if (! (irq_list[i].flags & IRQ_FLG_STD)) { - seq_printf(p, "%3d: %10u ", i, - (i ? kstat_cpu(0).irqs[i] : num_spurious)); - if (irq_list[i].flags & IRQ_FLG_LOCK) - seq_printf(p, "L "); - else - seq_printf(p, " "); - seq_printf(p, "%s\n", irq_list[i].devname); - } - } - - if (i == NR_IRQS && mach_get_irq_list) - mach_get_irq_list(p, v); - return 0; -} - -void init_irq_proc(void) -{ - /* Insert /proc/irq driver here */ -} - diff --git a/arch/m68knommu/platform/5307/vectors.c b/arch/m68knommu/platform/5307/vectors.c index 2a8b0d044ce..6cf89462023 100644 --- a/arch/m68knommu/platform/5307/vectors.c +++ b/arch/m68knommu/platform/5307/vectors.c @@ -3,23 +3,17 @@ /* * linux/arch/m68knommu/platform/5307/vectors.c * - * Copyright (C) 1999-2003, Greg Ungerer <gerg@snapgear.com> + * Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com> */ /***************************************************************************/ #include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/param.h> #include <linux/init.h> -#include <linux/unistd.h> -#include <linux/delay.h> -#include <asm/irq.h> -#include <asm/dma.h> +#include <linux/irq.h> #include <asm/traps.h> #include <asm/machdep.h> #include <asm/coldfire.h> -#include <asm/mcftimer.h> #include <asm/mcfsim.h> #include <asm/mcfdma.h> #include <asm/mcfwdebug.h> @@ -56,7 +50,7 @@ asmlinkage void trap(void); asmlinkage void system_call(void); asmlinkage void inthandler(void); -void __init coldfire_trap_init(void) +void __init init_vectors(void) { int i; @@ -86,6 +80,23 @@ void __init coldfire_trap_init(void) /***************************************************************************/ +void enable_vector(unsigned int irq) +{ + /* Currently no action on ColdFire */ +} + +void disable_vector(unsigned int irq) +{ + /* Currently no action on ColdFire */ +} + +void ack_vector(unsigned int irq) +{ + /* Currently no action on ColdFire */ +} + +/***************************************************************************/ + void coldfire_reset(void) { HARD_RESET_NOW(); diff --git a/arch/m68knommu/platform/68328/entry.S b/arch/m68knommu/platform/68328/entry.S index f9786271545..b1aef72f3ba 100644 --- a/arch/m68knommu/platform/68328/entry.S +++ b/arch/m68knommu/platform/68328/entry.S @@ -133,7 +133,6 @@ Lreturn: */ inthandler1: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -145,7 +144,6 @@ inthandler1: inthandler2: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -157,7 +155,6 @@ inthandler2: inthandler3: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -169,7 +166,6 @@ inthandler3: inthandler4: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -181,7 +177,6 @@ inthandler4: inthandler5: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -193,7 +188,6 @@ inthandler5: inthandler6: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -205,7 +199,6 @@ inthandler6: inthandler7: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -217,7 +210,6 @@ inthandler7: inthandler: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and #0x3ff, %d0 @@ -228,7 +220,6 @@ inthandler: bra ret_from_interrupt ret_from_interrupt: - subql #1,local_irq_count jeq 1f 2: RESTORE_ALL @@ -238,7 +229,6 @@ ret_from_interrupt: jhi 2b /* check if we need to do software interrupts */ - movel local_irq_count,%d0 jeq ret_from_exception pea ret_from_exception diff --git a/arch/m68knommu/platform/68328/ints.c b/arch/m68knommu/platform/68328/ints.c index 3de6e337554..72e56d554f4 100644 --- a/arch/m68knommu/platform/68328/ints.c +++ b/arch/m68knommu/platform/68328/ints.c @@ -9,21 +9,14 @@ * Copyright 1999 D. Jeff Dionne <jeff@rt-control.com> */ -#include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/kernel_stat.h> -#include <linux/errno.h> +#include <linux/init.h> #include <linux/interrupt.h> - -#include <asm/system.h> -#include <asm/irq.h> -#include <asm/irqnode.h> +#include <linux/irq.h> #include <asm/traps.h> #include <asm/io.h> #include <asm/machdep.h> -#include <asm/setup.h> #if defined(CONFIG_M68328) #include <asm/MC68328.h> @@ -79,16 +72,12 @@ extern e_vector *_ramvec; /* The number of spurious interrupts */ volatile unsigned int num_spurious; -unsigned int local_irq_count[NR_CPUS]; - -/* irq node variables for the 32 (potential) on chip sources */ -static irq_node_t int_irq_list[NR_IRQS]; /* * This function should be called during kernel startup to initialize - * the IRQ handling routines. + * the machine vector table. */ -void init_IRQ(void) +void __init init_vectors(void) { int i; @@ -108,96 +97,10 @@ void init_IRQ(void) IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */ - /* initialize handlers */ - for (i = 0; i < NR_IRQS; i++) { - int_irq_list[i].handler = bad_interrupt; - int_irq_list[i].flags = IRQ_FLG_STD; - int_irq_list[i].dev_id = NULL; - int_irq_list[i].devname = NULL; - } - /* turn off all interrupts */ IMR = ~0; } -int request_irq( - unsigned int irq, - irq_handler_t handler, - unsigned long flags, - const char *devname, - void *dev_id) -{ - if (irq >= NR_IRQS) { - printk (KERN_ERR "%s: Unknown IRQ %d from %s\n", __FUNCTION__, irq, devname); - return -ENXIO; - } - - if (!(int_irq_list[irq].flags & IRQ_FLG_STD)) { - if (int_irq_list[irq].flags & IRQ_FLG_LOCK) { - printk(KERN_ERR "%s: IRQ %d from %s is not replaceable\n", - __FUNCTION__, irq, int_irq_list[irq].devname); - return -EBUSY; - } - if (flags & IRQ_FLG_REPLACE) { - printk(KERN_ERR "%s: %s can't replace IRQ %d from %s\n", - __FUNCTION__, devname, irq, int_irq_list[irq].devname); - return -EBUSY; - } - } - - int_irq_list[irq].handler = handler; - int_irq_list[irq].flags = flags; - int_irq_list[irq].dev_id = dev_id; - int_irq_list[irq].devname = devname; - - IMR &= ~(1<<irq); - - return 0; -} - -EXPORT_SYMBOL(request_irq); - -void free_irq(unsigned int irq, void *dev_id) -{ - if (irq >= NR_IRQS) { - printk (KERN_ERR "%s: Unknown IRQ %d\n", __FUNCTION__, irq); - return; - } - - if (int_irq_list[irq].dev_id != dev_id) - printk(KERN_INFO "%s: removing probably wrong IRQ %d from %s\n", - __FUNCTION__, irq, int_irq_list[irq].devname); - - int_irq_list[irq].handler = bad_interrupt; - int_irq_list[irq].flags = IRQ_FLG_STD; - int_irq_list[irq].dev_id = NULL; - int_irq_list[irq].devname = NULL; - - IMR |= 1<<irq; -} - -EXPORT_SYMBOL(free_irq); - -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v; - - if (i < NR_IRQS) { - if (int_irq_list[i].devname) { - seq_printf(p, "%3d: %10u ", i, kstat_cpu(0).irqs[i]); - if (int_irq_list[i].flags & IRQ_FLG_LOCK) - seq_printf(p, "L "); - else - seq_printf(p, " "); - seq_printf(p, "%s\n", int_irq_list[i].devname); - } - } - if (i == NR_IRQS) - seq_printf(p, " : %10u spurious\n", num_spurious); - - return 0; -} - /* The 68k family did not have a good way to determine the source * of interrupts until later in the family. The EC000 core does * not provide the vector number on the stack, we vector everything @@ -255,14 +158,23 @@ void process_int(int vec, struct pt_regs *fp) irq++; } - kstat_cpu(0).irqs[irq]++; - - if (int_irq_list[irq].handler) { - int_irq_list[irq].handler(irq, int_irq_list[irq].dev_id, fp); - } else { - printk(KERN_ERR "unregistered interrupt %d!\nTurning it off in the IMR...\n", irq); - IMR |= mask; - } + do_IRQ(irq, fp); pend &= ~mask; } } + +void enable_vector(unsigned int irq) +{ + IMR &= ~(1<<irq); +} + +void disable_vector(unsigned int irq) +{ + IMR |= (1<<irq); +} + +void ack_vector(unsigned int irq) +{ + /* Nothing needed */ +} + diff --git a/arch/m68knommu/platform/68360/entry.S b/arch/m68knommu/platform/68360/entry.S index f1af8977f29..55dfefe3864 100644 --- a/arch/m68knommu/platform/68360/entry.S +++ b/arch/m68knommu/platform/68360/entry.S @@ -120,23 +120,21 @@ Lreturn: RESTORE_ALL /* - * This is the main interrupt handler, responsible for calling process_int() + * This is the main interrupt handler, responsible for calling do_IRQ() */ inthandler: SAVE_ALL - addql #1,local_irq_count /* put exception # in d0*/ movew %sp@(PT_VECTOR), %d0 and.l #0x3ff, %d0 lsr.l #0x02, %d0 movel %sp,%sp@- movel %d0,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ + jbsr do_IRQ /* process the IRQ*/ 3: addql #8,%sp /* pop parameters off stack*/ bra ret_from_interrupt ret_from_interrupt: - subql #1,local_irq_count jeq 1f 2: RESTORE_ALL diff --git a/arch/m68knommu/platform/68360/ints.c b/arch/m68knommu/platform/68360/ints.c index 4df3c146eb7..c36781157e0 100644 --- a/arch/m68knommu/platform/68360/ints.c +++ b/arch/m68knommu/platform/68360/ints.c @@ -10,20 +10,13 @@ * Copyright (c) 1999 D. Jeff Dionne <jeff@uclinux.org> */ -#include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/kernel_stat.h> -#include <linux/errno.h> - -#include <asm/system.h> -#include <asm/irq.h> -#include <asm/irqnode.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> #include <asm/traps.h> -#include <asm/io.h> #include <asm/machdep.h> -#include <asm/setup.h> #include <asm/m68360.h> /* from quicc/commproc.c: */ @@ -36,26 +29,19 @@ extern void cpm_interrupt_init(void); asmlinkage void system_call(void); asmlinkage void buserr(void); asmlinkage void trap(void); -asmlinkage irqreturn_t bad_interrupt(void); -asmlinkage irqreturn_t inthandler(void); +asmlinkage void bad_interrupt(void); +asmlinkage void inthandler(void); extern void *_ramvec[]; /* The number of spurious interrupts */ volatile unsigned int num_spurious; -unsigned int local_irq_count[NR_CPUS]; - -/* irq node variables for the 32 (potential) on chip sources */ -static irq_node_t int_irq_list[INTERNAL_IRQS]; - -static short int_irq_ablecount[INTERNAL_IRQS]; /* * This function should be called during kernel startup to initialize - * IRQ handling routines. + * the vector table. */ - -void init_IRQ(void) +void init_vectors(void) { int i; int vba = (CPM_VECTOR_BASE<<4); @@ -79,7 +65,6 @@ void init_IRQ(void) _ramvec[32] = system_call; _ramvec[33] = trap; - cpm_interrupt_init(); /* set up CICR for vector base address and irq level */ @@ -124,212 +109,20 @@ void init_IRQ(void) /* turn off all CPM interrupts */ pquicc->intr_cimr = 0x00000000; - - /* initialize handlers */ - for (i = 0; i < INTERNAL_IRQS; i++) { - int_irq_list[i].handler = NULL; - int_irq_list[i].flags = IRQ_FLG_STD; - int_irq_list[i].dev_id = NULL; - int_irq_list[i].devname = NULL; - } -} - -#if 0 -void M68360_insert_irq(irq_node_t **list, irq_node_t *node) -{ - unsigned long flags; - irq_node_t *cur; - - if (!node->dev_id) - printk(KERN_INFO "%s: Warning: dev_id of %s is zero\n", - __FUNCTION__, node->devname); - - local_irq_save(flags); - - cur = *list; - - while (cur) { - list = &cur->next; - cur = cur->next; - } - - node->next = cur; - *list = node; - - local_irq_restore(flags); } -void M68360_delete_irq(irq_node_t **list, void *dev_id) +void enable_vector(unsigned int irq) { - unsigned long flags; - irq_node_t *node; - - local_irq_save(flags); - - for (node = *list; node; list = &node->next, node = *list) { - if (node->dev_id == dev_id) { - *list = node->next; - /* Mark it as free. */ - node->handler = NULL; - local_irq_restore(flags); - return; - } - } - local_irq_restore(flags); - printk (KERN_INFO "%s: tried to remove invalid irq\n", __FUNCTION__); + pquicc->intr_cimr |= (1 << irq); } -#endif -int request_irq( - unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), - unsigned long flags, - const char *devname, - void *dev_id) +void disable_vector(unsigned int irq) { - int mask = (1<<irq); - - irq += (CPM_VECTOR_BASE<<4); - - if (irq >= INTERNAL_IRQS) { - printk (KERN_ERR "%s: Unknown IRQ %d from %s\n", __FUNCTION__, irq, devname); - return -ENXIO; - } - - if (!(int_irq_list[irq].flags & IRQ_FLG_STD)) { - if (int_irq_list[irq].flags & IRQ_FLG_LOCK) { - printk(KERN_ERR "%s: IRQ %d from %s is not replaceable\n", - __FUNCTION__, irq, int_irq_list[irq].devname); - return -EBUSY; - } - if (flags & IRQ_FLG_REPLACE) { - printk(KERN_ERR "%s: %s can't replace IRQ %d from %s\n", - __FUNCTION__, devname, irq, int_irq_list[irq].devname); - return -EBUSY; - } - } - int_irq_list[irq].handler = handler; - int_irq_list[irq].flags = flags; - int_irq_list[irq].dev_id = dev_id; - int_irq_list[irq].devname = devname; - - /* enable in the CIMR */ - if (!int_irq_ablecount[irq]) - pquicc->intr_cimr |= mask; - /* *(volatile unsigned long *)0xfffff304 &= ~(1<<irq); */ - - return 0; + pquicc->intr_cimr &= ~(1 << irq); } -EXPORT_SYMBOL(request_irq); - -void free_irq(unsigned int irq, void *dev_id) +void ack_vector(unsigned int irq) { - if (irq >= INTERNAL_IRQS) { - printk (KERN_ERR "%s: Unknown IRQ %d\n", __FUNCTION__, irq); - return; - } - - if (int_irq_list[irq].dev_id != dev_id) - printk(KERN_INFO "%s: removing probably wrong IRQ %d from %s\n", - __FUNCTION__, irq, int_irq_list[irq].devname); - int_irq_list[irq].handler = NULL; - int_irq_list[irq].flags = IRQ_FLG_STD; - int_irq_list[irq].dev_id = NULL; - int_irq_list[irq].devname = NULL; - - *(volatile unsigned long *)0xfffff304 |= 1<<irq; + pquicc->intr_cisr = (1 << irq); } -EXPORT_SYMBOL(free_irq); - -#if 0 -/* - * Enable/disable a particular machine specific interrupt source. - * Note that this may affect other interrupts in case of a shared interrupt. - * This function should only be called for a _very_ short time to change some - * internal data, that may not be changed by the interrupt at the same time. - * int_(enable|disable)_irq calls may also be nested. - */ -void M68360_enable_irq(unsigned int irq) -{ - if (irq >= INTERNAL_IRQS) { - printk(KERN_ERR "%s: Unknown IRQ %d\n", __FUNCTION__, irq); - return; - } - - if (--int_irq_ablecount[irq]) - return; - - /* enable the interrupt */ - *(volatile unsigned long *)0xfffff304 &= ~(1<<irq); -} - -void M68360_disable_irq(unsigned int irq) -{ - if (irq >= INTERNAL_IRQS) { - printk(KERN_ERR "%s: Unknown IRQ %d\n", __FUNCTION__, irq); - return; - } - - if (int_irq_ablecount[irq]++) - return; - - /* disable the interrupt */ - *(volatile unsigned long *)0xfffff304 |= 1<<irq; -} -#endif - -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v; - - if (i < NR_IRQS) { - if (int_irq_list[i].devname) { - seq_printf(p, "%3d: %10u ", i, kstat_cpu(0).irqs[i]); - if (int_irq_list[i].flags & IRQ_FLG_LOCK) - seq_printf(p, "L "); - else - seq_printf(p, " "); - seq_printf(p, "%s\n", int_irq_list[i].devname); - } - } - if (i == NR_IRQS) - seq_printf(p, " : %10u spurious\n", num_spurious); - - return 0; -} - -/* The 68k family did not have a good way to determine the source - * of interrupts until later in the family. The EC000 core does - * not provide the vector number on the stack, we vector everything - * into one vector and look in the blasted mask register... - * This code is designed to be fast, almost constant time, not clean! - */ -void process_int(int vec, struct pt_regs *fp) -{ - int irq; - int mask; - - /* unsigned long pend = *(volatile unsigned long *)0xfffff30c; */ - - /* irq = vec + (CPM_VECTOR_BASE<<4); */ - irq = vec; - - /* unsigned long pend = *(volatile unsigned long *)pquicc->intr_cipr; */ - - /* Bugger all that weirdness. For the moment, I seem to know where I came from; - * vec is passed from a specific ISR, so I'll use it. */ - - if (int_irq_list[irq].handler) { - int_irq_list[irq].handler(irq , int_irq_list[irq].dev_id, fp); - kstat_cpu(0).irqs[irq]++; - pquicc->intr_cisr = (1 << vec); /* indicate that irq has been serviced */ - } else { - printk(KERN_ERR "unregistered interrupt %d!\nTurning it off in the CIMR...\n", irq); - /* *(volatile unsigned long *)0xfffff304 |= mask; */ - pquicc->intr_cimr &= ~(1 << vec); - num_spurious += 1; - } - return(IRQ_HANDLED); -} diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 9b9992cd562..bc9bae2a73f 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -119,10 +119,7 @@ SECTIONS .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; #endif - . = ALIGN(_PAGE_SIZE); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(_PAGE_SIZE) . = ALIGN(_PAGE_SIZE); __init_end = .; /* freed after init ends here */ diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 7ebea331edb..521771b373d 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -39,6 +39,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write, struct mm_struct *mm = tsk->mm; const int field = sizeof(unsigned long) * 2; siginfo_t info; + int fault; #if 0 printk("Cpu%d[%s:%d:%0*lx:%ld:%0*lx]\n", raw_smp_processor_id(), @@ -102,20 +103,18 @@ survive: * make sure we exit gracefully rather than endlessly redo * the fault. */ - switch (handle_mm_fault(mm, vma, address, write)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index 4d96ba4b984..d4e6a93c8d9 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -181,10 +181,9 @@ SECTIONS .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; #endif - . = ALIGN(ASM_PAGE_SIZE); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + + PERCPU(ASM_PAGE_SIZE) + . = ALIGN(ASM_PAGE_SIZE); __init_end = .; /* freed after init ends here */ diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index f6f67554c62..7899ab87785 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -147,6 +147,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, struct mm_struct *mm = tsk->mm; const struct exception_table_entry *fix; unsigned long acc_type; + int fault; if (in_atomic() || !mm) goto no_context; @@ -173,23 +174,23 @@ good_area: * fault. */ - switch (handle_mm_fault(mm, vma, address, (acc_type & VM_WRITE) != 0)) { - case VM_FAULT_MINOR: - ++current->min_flt; - break; - case VM_FAULT_MAJOR: - ++current->maj_flt; - break; - case VM_FAULT_SIGBUS: + fault = handle_mm_fault(mm, vma, address, (acc_type & VM_WRITE) != 0); + if (unlikely(fault & VM_FAULT_ERROR)) { /* * We hit a shared mapping outside of the file, or some * other thing happened to us that made us unable to * handle the page fault gracefully. */ - goto bad_area; - default: - goto out_of_memory; + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto bad_area; + BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts index db56a02b748..6a78a2b37c0 100644 --- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts +++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts @@ -131,6 +131,7 @@ interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; + phy-connection-type = "rgmii-id"; }; ethernet@25000 { @@ -150,6 +151,7 @@ interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; + phy-connection-type = "rgmii-id"; }; ethernet@26000 { @@ -169,6 +171,7 @@ interrupts = <1F 2 20 2 21 2>; interrupt-parent = <&mpic>; phy-handle = <&phy2>; + phy-connection-type = "rgmii-id"; }; ethernet@27000 { @@ -188,6 +191,7 @@ interrupts = <25 2 26 2 27 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; + phy-connection-type = "rgmii-id"; }; serial@4500 { device_type = "serial"; diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 0c96611f02f..440f5a87271 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -492,6 +492,13 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, return ret; } +#ifdef CONFIG_PPC64 +unsigned long arch_deref_entry_point(void *entry) +{ + return (unsigned long)(((func_descr_t *)entry)->entry); +} +#endif + int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) { struct jprobe *jp = container_of(p, struct jprobe, kp); @@ -500,11 +507,9 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs)); /* setup return addr to the jprobe handler routine */ + regs->nip = arch_deref_entry_point(jp->entry); #ifdef CONFIG_PPC64 - regs->nip = (unsigned long)(((func_descr_t *)jp->entry)->entry); regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc); -#else - regs->nip = (unsigned long)jp->entry; #endif return 1; diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index c492cee90e0..6444eaa30a2 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -248,7 +248,7 @@ static void parse_system_parameter_string(struct seq_file *m) } else { int splpar_strlen; int idx, w_idx; - char *workbuffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL); + char *workbuffer = kzalloc(SPLPAR_MAXLENGTH, GFP_KERNEL); if (!workbuffer) { printk(KERN_ERR "%s %s kmalloc failure at line %d \n", __FILE__, __FUNCTION__, __LINE__); @@ -261,7 +261,6 @@ static void parse_system_parameter_string(struct seq_file *m) splpar_strlen = local_buffer[0] * 256 + local_buffer[1]; local_buffer += 2; /* step over strlen value */ - memset(workbuffer, 0, SPLPAR_MAXLENGTH); w_idx = 0; idx = 0; while ((*local_buffer) && (idx < splpar_strlen)) { diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index 9536ed7f247..8ded4e7dc87 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -222,10 +222,9 @@ struct of_device* of_platform_device_create(struct device_node *np, { struct of_device *dev; - dev = kmalloc(sizeof(*dev), GFP_KERNEL); + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return NULL; - memset(dev, 0, sizeof(*dev)); dev->node = of_node_get(np); dev->dma_mask = 0xffffffffUL; diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index ae4acd84143..7a1f5a0964d 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -63,6 +63,8 @@ SECTIONS __stop___ex_table = .; } + NOTES + BUG_TABLE /* @@ -144,6 +146,7 @@ SECTIONS .data.percpu : { __per_cpu_start = .; *(.data.percpu) + *(.data.percpu.shared_aligned) __per_cpu_end = .; } diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 0ece51310bf..3767211b3d0 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -145,7 +145,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, struct mm_struct *mm = current->mm; siginfo_t info; int code = SEGV_MAPERR; - int is_write = 0; + int is_write = 0, ret; int trap = TRAP(regs); int is_exec = trap == 0x400; @@ -330,22 +330,18 @@ good_area: * the fault. */ survive: - switch (handle_mm_fault(mm, vma, address, is_write)) { - - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + ret = handle_mm_fault(mm, vma, address, is_write); + if (unlikely(ret & VM_FAULT_ERROR)) { + if (ret & VM_FAULT_OOM) + goto out_of_memory; + else if (ret & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } - + if (ret & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); return 0; diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c index e064d0c0d80..07f88de0544 100644 --- a/arch/powerpc/platforms/cell/spufs/fault.c +++ b/arch/powerpc/platforms/cell/spufs/fault.c @@ -74,23 +74,21 @@ good_area: goto bad_area; } ret = 0; - *flt = handle_mm_fault(mm, vma, ea, is_write); - switch (*flt) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - ret = -EFAULT; - goto bad_area; - case VM_FAULT_OOM: - ret = -ENOMEM; - goto bad_area; - default: + fault = handle_mm_fault(mm, vma, ea, is_write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) { + ret = -ENOMEM; + goto bad_area; + } else if (fault & VM_FAULT_SIGBUS) { + ret = -EFAULT; + goto bad_area; + } BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); return ret; diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index c0ddc80d816..3289fab01e9 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -197,6 +197,7 @@ static int __init gfar_of_init(void) struct gianfar_platform_data gfar_data; const unsigned int *id; const char *model; + const char *ctype; const void *mac_addr; const phandle *ph; int n_res = 2; @@ -254,6 +255,14 @@ static int __init gfar_of_init(void) FSL_GIANFAR_DEV_HAS_VLAN | FSL_GIANFAR_DEV_HAS_EXTENDED_HASH; + ctype = of_get_property(np, "phy-connection-type", NULL); + + /* We only care about rgmii-id. The rest are autodetected */ + if (ctype && !strcmp(ctype, "rgmii-id")) + gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID; + else + gfar_data.interface = PHY_INTERFACE_MODE_MII; + ph = of_get_property(np, "phy-handle", NULL); phy = of_find_node_by_phandle(*ph); diff --git a/arch/ppc/kernel/vmlinux.lds.S b/arch/ppc/kernel/vmlinux.lds.S index 19db8746ff1..c0aac3ff9e9 100644 --- a/arch/ppc/kernel/vmlinux.lds.S +++ b/arch/ppc/kernel/vmlinux.lds.S @@ -130,10 +130,7 @@ SECTIONS __ftr_fixup : { *(__ftr_fixup) } __stop___ftr_fixup = .; - . = ALIGN(4096); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(4096) #ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); diff --git a/arch/ppc/mm/fault.c b/arch/ppc/mm/fault.c index 465f451f3bc..b98244e277f 100644 --- a/arch/ppc/mm/fault.c +++ b/arch/ppc/mm/fault.c @@ -96,6 +96,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, struct mm_struct *mm = current->mm; siginfo_t info; int code = SEGV_MAPERR; + int fault; #if defined(CONFIG_4xx) || defined (CONFIG_BOOKE) int is_write = error_code & ESR_DST; #else @@ -249,20 +250,18 @@ good_area: * the fault. */ survive: - switch (handle_mm_fault(mm, vma, address, is_write)) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, is_write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); /* diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 7158a804a5e..6ab7d4ee13a 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -45,6 +45,8 @@ SECTIONS __ex_table : { *(__ex_table) } __stop___ex_table = .; + NOTES + BUG_TABLE .data : { /* Data */ @@ -107,10 +109,7 @@ SECTIONS . = ALIGN(2); __initramfs_end = .; #endif - . = ALIGN(4096); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(4096) . = ALIGN(4096); __init_end = .; /* freed after init ends here */ diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 63181671e3e..60604b2819b 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -20,6 +20,7 @@ static int __handle_fault(struct mm_struct *mm, unsigned long address, { struct vm_area_struct *vma; int ret = -EFAULT; + int fault; if (in_atomic()) return ret; @@ -44,20 +45,18 @@ static int __handle_fault(struct mm_struct *mm, unsigned long address, } survive: - switch (handle_mm_fault(mm, vma, address, write_access)) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto out_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, write_access); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto out_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; ret = 0; out: up_read(&mm->mmap_sem); diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index d855cdbf8fb..54055194e9a 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -307,6 +307,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int write) unsigned long address; int space; int si_code; + int fault; if (notify_page_fault(regs, error_code)) return; @@ -377,23 +378,22 @@ survive: * make sure we exit gracefully rather than endlessly redo * the fault. */ - switch (handle_mm_fault(mm, vma, address, write)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - do_sigbus(regs, error_code, address); - return; - case VM_FAULT_OOM: - if (do_out_of_memory(regs, error_code, address)) - goto survive; - return; - default: + fault = handle_mm_fault(mm, vma, address, write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) { + if (do_out_of_memory(regs, error_code, address)) + goto survive; + return; + } else if (fault & VM_FAULT_SIGBUS) { + do_sigbus(regs, error_code, address); + return; + } BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; up_read(&mm->mmap_sem); /* diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 0696402f446..5ba216180b3 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -60,10 +60,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); __nosave_end = .; - . = ALIGN(PAGE_SIZE); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(PAGE_SIZE) .data.cacheline_aligned : { *(.data.cacheline_aligned) } _edata = .; /* End of data section */ diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index 0b3eaf6fbb2..964c6767dc7 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -33,6 +33,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, struct mm_struct *mm; struct vm_area_struct * vma; int si_code; + int fault; siginfo_t info; trace_hardirqs_on(); @@ -124,20 +125,18 @@ good_area: * the fault. */ survive: - switch (handle_mm_fault(mm, vma, address, writeaccess)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: + fault = handle_mm_fault(mm, vma, address, writeaccess); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) goto out_of_memory; - default: - BUG(); + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/sh64/kernel/vmlinux.lds.S b/arch/sh64/kernel/vmlinux.lds.S index 02aea86c590..8ac9c7c5f84 100644 --- a/arch/sh64/kernel/vmlinux.lds.S +++ b/arch/sh64/kernel/vmlinux.lds.S @@ -87,7 +87,10 @@ SECTIONS . = ALIGN(PAGE_SIZE); __per_cpu_start = .; - .data.percpu : C_PHYS(.data.percpu) { *(.data.percpu) } + .data.percpu : C_PHYS(.data.percpu) { + *(.data.percpu) + *(.data.percpu.shared_aligned) + } __per_cpu_end = . ; .data.cacheline_aligned : C_PHYS(.data.cacheline_aligned) { *(.data.cacheline_aligned) } diff --git a/arch/sh64/mm/fault.c b/arch/sh64/mm/fault.c index 3cd93ba5d82..0d069d82141 100644 --- a/arch/sh64/mm/fault.c +++ b/arch/sh64/mm/fault.c @@ -127,6 +127,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess, struct vm_area_struct * vma; const struct exception_table_entry *fixup; pte_t *pte; + int fault; #if defined(CONFIG_SH64_PROC_TLB) ++calls_to_do_slow_page_fault; @@ -221,18 +222,19 @@ good_area: * the fault. */ survive: - switch (handle_mm_fault(mm, vma, address, writeaccess)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - default: - goto out_of_memory; + fault = handle_mm_fault(mm, vma, address, writeaccess); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); } + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; + /* If we get here, the page fault has been handled. Do the TLB refill now from the newly-setup PTE, to avoid having to fault again right away on the same instruction. */ diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index f75a1b82278..47583887abc 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -65,10 +65,7 @@ SECTIONS __initramfs_end = .; #endif - . = ALIGN(4096); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(4096) . = ALIGN(4096); __init_end = .; . = ALIGN(32); diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c index c3483365db4..50747fe4435 100644 --- a/arch/sparc/mm/fault.c +++ b/arch/sparc/mm/fault.c @@ -226,6 +226,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, unsigned long g2; siginfo_t info; int from_user = !(regs->psr & PSR_PS); + int fault; if(text_fault) address = regs->pc; @@ -289,19 +290,18 @@ good_area: * make sure we exit gracefully rather than endlessly redo * the fault. */ - switch (handle_mm_fault(mm, vma, address, write)) { - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - case VM_FAULT_MAJOR: + fault = handle_mm_fault(mm, vma, address, write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); + } + if (fault & VM_FAULT_MAJOR) current->maj_flt++; - break; - case VM_FAULT_MINOR: - default: + else current->min_flt++; - break; - } up_read(&mm->mmap_sem); return; diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S index 3ad10f3027e..481861764de 100644 --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -90,10 +90,8 @@ SECTIONS __initramfs_end = .; #endif - . = ALIGN(PAGE_SIZE); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(PAGE_SIZE) + . = ALIGN(PAGE_SIZE); __init_end = .; __bss_start = .; diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index b582024d219..17123e9ecf7 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -278,7 +278,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) struct mm_struct *mm = current->mm; struct vm_area_struct *vma; unsigned int insn = 0; - int si_code, fault_code; + int si_code, fault_code, fault; unsigned long address, mm_rss; fault_code = get_thread_fault_code(); @@ -415,20 +415,18 @@ good_area: goto bad_area; } - switch (handle_mm_fault(mm, vma, address, (fault_code & FAULT_CODE_WRITE))) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, (fault_code & FAULT_CODE_WRITE)); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); diff --git a/arch/sparc64/solaris/socksys.c b/arch/sparc64/solaris/socksys.c index e94f6e5d945..7736411f244 100644 --- a/arch/sparc64/solaris/socksys.c +++ b/arch/sparc64/solaris/socksys.c @@ -199,6 +199,5 @@ int __init init_socksys(void) void __exit cleanup_socksys(void) { - if (unregister_chrdev(30, "socksys")) - printk ("Couldn't unregister socksys character device\n"); + unregister_chrdev(30, "socksys"); } diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index abab90c3803..3850d53f79f 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -76,23 +76,24 @@ good_area: goto out; do { + int fault; survive: - switch (handle_mm_fault(mm, vma, address, is_write)){ - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - err = -EACCES; - goto out; - case VM_FAULT_OOM: - err = -ENOMEM; - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, is_write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) { + err = -ENOMEM; + goto out_of_memory; + } else if (fault & VM_FAULT_SIGBUS) { + err = -EACCES; + goto out; + } BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + pgd = pgd_offset(mm, address); pud = pud_offset(pgd, address); pmd = pmd_offset(pud, address); diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c index fe83edb93c1..08781370256 100644 --- a/arch/x86_64/ia32/ia32_aout.c +++ b/arch/x86_64/ia32/ia32_aout.c @@ -404,7 +404,7 @@ beyond_if: set_brk(current->mm->start_brk, current->mm->brk); - retval = ia32_setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT); + retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT); if (retval < 0) { /* Someone check-me: is this error path enough? */ send_sig(SIGKILL, current, 0); diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c index 185399baaf6..ed56a8806ea 100644 --- a/arch/x86_64/ia32/ia32_binfmt.c +++ b/arch/x86_64/ia32/ia32_binfmt.c @@ -232,9 +232,6 @@ do { \ #define load_elf_binary load_elf32_binary #define ELF_PLAT_INIT(r, load_addr) elf32_init(r) -#define setup_arg_pages(bprm, stack_top, exec_stack) \ - ia32_setup_arg_pages(bprm, stack_top, exec_stack) -int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top, int executable_stack); #undef start_thread #define start_thread(regs,new_rip,new_rsp) do { \ @@ -286,61 +283,6 @@ static void elf32_init(struct pt_regs *regs) me->thread.es = __USER_DS; } -int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top, - int executable_stack) -{ - unsigned long stack_base; - struct vm_area_struct *mpnt; - struct mm_struct *mm = current->mm; - int i, ret; - - stack_base = stack_top - MAX_ARG_PAGES * PAGE_SIZE; - mm->arg_start = bprm->p + stack_base; - - bprm->p += stack_base; - if (bprm->loader) - bprm->loader += stack_base; - bprm->exec += stack_base; - - mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (!mpnt) - return -ENOMEM; - - down_write(&mm->mmap_sem); - { - mpnt->vm_mm = mm; - mpnt->vm_start = PAGE_MASK & (unsigned long) bprm->p; - mpnt->vm_end = stack_top; - if (executable_stack == EXSTACK_ENABLE_X) - mpnt->vm_flags = VM_STACK_FLAGS | VM_EXEC; - else if (executable_stack == EXSTACK_DISABLE_X) - mpnt->vm_flags = VM_STACK_FLAGS & ~VM_EXEC; - else - mpnt->vm_flags = VM_STACK_FLAGS; - mpnt->vm_page_prot = (mpnt->vm_flags & VM_EXEC) ? - PAGE_COPY_EXEC : PAGE_COPY; - if ((ret = insert_vm_struct(mm, mpnt))) { - up_write(&mm->mmap_sem); - kmem_cache_free(vm_area_cachep, mpnt); - return ret; - } - mm->stack_vm = mm->total_vm = vma_pages(mpnt); - } - - for (i = 0 ; i < MAX_ARG_PAGES ; i++) { - struct page *page = bprm->page[i]; - if (page) { - bprm->page[i] = NULL; - install_arg_page(mpnt, page, stack_base); - } - stack_base += PAGE_SIZE; - } - up_write(&mm->mmap_sem); - - return 0; -} -EXPORT_SYMBOL(ia32_setup_arg_pages); - #ifdef CONFIG_SYSCTL /* Register vsyscall32 into the ABI table */ #include <linux/sysctl.h> diff --git a/arch/x86_64/kernel/acpi/sleep.c b/arch/x86_64/kernel/acpi/sleep.c index 195b7034a14..4277f2b27e6 100644 --- a/arch/x86_64/kernel/acpi/sleep.c +++ b/arch/x86_64/kernel/acpi/sleep.c @@ -55,7 +55,7 @@ /* address in low memory of the wakeup routine. */ unsigned long acpi_wakeup_address = 0; -unsigned long acpi_video_flags; +unsigned long acpi_realmode_flags; extern char wakeup_start, wakeup_end; extern unsigned long acpi_copy_wakeup_routine(unsigned long); @@ -103,9 +103,11 @@ static int __init acpi_sleep_setup(char *str) { while ((str != NULL) && (*str != '\0')) { if (strncmp(str, "s3_bios", 7) == 0) - acpi_video_flags = 1; + acpi_realmode_flags |= 1; if (strncmp(str, "s3_mode", 7) == 0) - acpi_video_flags |= 2; + acpi_realmode_flags |= 2; + if (strncmp(str, "s3_beep", 7) == 0) + acpi_realmode_flags |= 4; str = strchr(str, ','); if (str != NULL) str += strspn(str, ", \t"); diff --git a/arch/x86_64/kernel/acpi/wakeup.S b/arch/x86_64/kernel/acpi/wakeup.S index 8550a6ffa27..13f1480cbec 100644 --- a/arch/x86_64/kernel/acpi/wakeup.S +++ b/arch/x86_64/kernel/acpi/wakeup.S @@ -16,6 +16,21 @@ # cs = 0x1234, eip = 0x05 # +#define BEEP \ + inb $97, %al; \ + outb %al, $0x80; \ + movb $3, %al; \ + outb %al, $97; \ + outb %al, $0x80; \ + movb $-74, %al; \ + outb %al, $67; \ + outb %al, $0x80; \ + movb $-119, %al; \ + outb %al, $66; \ + outb %al, $0x80; \ + movb $15, %al; \ + outb %al, $66; + ALIGN .align 16 @@ -33,6 +48,13 @@ wakeup_code: movw %cs, %ax movw %ax, %ds # Make ds:0 point to wakeup_start movw %ax, %ss + + # Data segment must be set up before we can see whether to beep. + testl $4, realmode_flags - wakeup_code + jz 1f + BEEP +1: + # Private stack is needed for ASUS board mov $(wakeup_stack - wakeup_code), %sp @@ -48,7 +70,7 @@ wakeup_code: testl %eax, %eax jnz no_longmode - testl $1, video_flags - wakeup_code + testl $1, realmode_flags - wakeup_code jz 1f lcall $0xc000,$3 movw %cs, %ax @@ -56,7 +78,7 @@ wakeup_code: movw %ax, %ss 1: - testl $2, video_flags - wakeup_code + testl $2, realmode_flags - wakeup_code jz 1f mov video_mode - wakeup_code, %ax call mode_seta @@ -230,7 +252,7 @@ gdt_48a: real_magic: .quad 0 video_mode: .quad 0 -video_flags: .quad 0 +realmode_flags: .quad 0 .code16 bogus_real_magic: @@ -346,8 +368,8 @@ ENTRY(acpi_copy_wakeup_routine) movl saved_video_mode, %edx movl %edx, video_mode - wakeup_start (,%rdi) - movl acpi_video_flags, %edx - movl %edx, video_flags - wakeup_start (,%rdi) + movl acpi_realmode_flags, %edx + movl %edx, realmode_flags - wakeup_start (,%rdi) movq $0x12345678, real_magic - wakeup_start (,%rdi) movq $0x123456789abcdef0, %rdx movq %rdx, saved_magic diff --git a/arch/x86_64/kernel/init_task.c b/arch/x86_64/kernel/init_task.c index 3dc5854ba21..4ff33d4f855 100644 --- a/arch/x86_64/kernel/init_task.c +++ b/arch/x86_64/kernel/init_task.c @@ -44,7 +44,7 @@ EXPORT_SYMBOL(init_task); * section. Since TSS's are completely CPU-local, we want them * on exact cacheline boundaries, to eliminate cacheline ping-pong. */ -DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS; +DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS; /* Copies of the original ist values from the tss are only accessed during * debugging, no special alignment required. diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 74cbeb2e99a..8713ad4a4db 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -34,6 +34,10 @@ #include <linux/bug.h> #include <linux/kdebug.h> +#if defined(CONFIG_EDAC) +#include <linux/edac.h> +#endif + #include <asm/system.h> #include <asm/io.h> #include <asm/atomic.h> @@ -719,6 +723,13 @@ mem_parity_error(unsigned char reason, struct pt_regs * regs) reason); printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n"); +#if defined(CONFIG_EDAC) + if(edac_handler_set()) { + edac_atomic_assert_error(); + return; + } +#endif + if (panic_on_unrecovered_nmi) panic("NMI: Not continuing"); diff --git a/arch/x86_64/kernel/tsc.c b/arch/x86_64/kernel/tsc.c index 48f9a8e6aa9..e850aa01e1b 100644 --- a/arch/x86_64/kernel/tsc.c +++ b/arch/x86_64/kernel/tsc.c @@ -44,7 +44,7 @@ unsigned long long sched_clock(void) static int tsc_unstable; -static inline int check_tsc_unstable(void) +inline int check_tsc_unstable(void) { return tsc_unstable; } diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S index dbccfda8364..5c57ea4591c 100644 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -48,7 +48,9 @@ SECTIONS __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) } __stop___ex_table = .; - BUG_TABLE + NOTES :text :note + + BUG_TABLE :text RODATA @@ -194,10 +196,8 @@ SECTIONS __initramfs_end = .; #endif - . = ALIGN(4096); - __per_cpu_start = .; - .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(4096) + . = ALIGN(4096); __init_end = .; diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index 635e58d443d..84f11728fc7 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -317,7 +317,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, struct vm_area_struct * vma; unsigned long address; const struct exception_table_entry *fixup; - int write; + int write, fault; unsigned long flags; siginfo_t info; @@ -450,19 +450,18 @@ good_area: * make sure we exit gracefully rather than endlessly redo * the fault. */ - switch (handle_mm_fault(mm, vma, address, write)) { - case VM_FAULT_MINOR: - tsk->min_flt++; - break; - case VM_FAULT_MAJOR: - tsk->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - default: - goto out_of_memory; + fault = handle_mm_fault(mm, vma, address, write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; + BUG(); } - + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; up_read(&mm->mmap_sem); return; diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index b0582c3c5f8..3e31512109f 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -190,10 +190,7 @@ SECTIONS __initramfs_end = .; #endif - . = ALIGN(4096); - __per_cpu_start = .; - .data.percpu : { *(.data.percpu) } - __per_cpu_end = .; + PERCPU(4096) /* We need this dummy segment here */ diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index 3dc6f2f07bb..16004067add 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -41,6 +41,7 @@ void do_page_fault(struct pt_regs *regs) siginfo_t info; int is_write, is_exec; + int fault; info.si_code = SEGV_MAPERR; @@ -102,20 +103,18 @@ good_area: * the fault. */ survive: - switch (handle_mm_fault(mm, vma, address, is_write)) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, is_write); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); return; |