diff options
Diffstat (limited to 'arch')
96 files changed, 937 insertions, 437 deletions
diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h index 4959b7a3e1e..11f996f24fd 100644 --- a/arch/alpha/kernel/machvec_impl.h +++ b/arch/alpha/kernel/machvec_impl.h @@ -41,7 +41,7 @@ #define CAT1(x,y) x##y #define CAT(x,y) CAT1(x,y) -#define DO_DEFAULT_RTC rtc_port: 0x70 +#define DO_DEFAULT_RTC .rtc_port = 0x70 #define DO_EV4_MMU \ .max_asn = EV4_MAX_ASN, \ diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 2ad4aa2a153..55076a75e5b 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -131,7 +131,7 @@ __syscall_start: .long sys_wait4 /* 115 */ .long sys_swapoff .long sys_sysinfo - .long sys_ipc_wrapper + .long sys_ipc .long sys_fsync .long sys_sigreturn_wrapper /* 120 */ .long sys_clone_wrapper @@ -254,7 +254,7 @@ __syscall_start: .long sys_fremovexattr .long sys_tkill .long sys_sendfile64 -/* 240 */ .long sys_futex_wrapper +/* 240 */ .long sys_futex .long sys_sched_setaffinity .long sys_sched_getaffinity .long sys_io_setup @@ -284,7 +284,7 @@ __syscall_start: .long sys_fstatfs64 .long sys_tgkill .long sys_utimes -/* 270 */ .long sys_arm_fadvise64_64_wrapper +/* 270 */ .long sys_arm_fadvise64_64 .long sys_pciconfig_iobase .long sys_pciconfig_read .long sys_pciconfig_write @@ -333,7 +333,7 @@ __syscall_start: .long sys_inotify_init .long sys_inotify_add_watch .long sys_inotify_rm_watch - .long sys_mbind_wrapper + .long sys_mbind /* 320 */ .long sys_get_mempolicy .long sys_set_mempolicy __syscall_end: diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index d9fb819bf7c..2a8d27e18fa 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -614,6 +614,47 @@ __kuser_helper_start: /* * Reference prototype: * + * void __kernel_memory_barrier(void) + * + * Input: + * + * lr = return address + * + * Output: + * + * none + * + * Clobbered: + * + * the Z flag might be lost + * + * Definition and user space usage example: + * + * typedef void (__kernel_dmb_t)(void); + * #define __kernel_dmb (*(__kernel_dmb_t *)0xffff0fa0) + * + * Apply any needed memory barrier to preserve consistency with data modified + * manually and __kuser_cmpxchg usage. + * + * This could be used as follows: + * + * #define __kernel_dmb() \ + * asm volatile ( "mov r0, #0xffff0fff; mov lr, pc; sub pc, r0, #95" \ + * : : : "lr","cc" ) + */ + +__kuser_memory_barrier: @ 0xffff0fa0 + +#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP) + mcr p15, 0, r0, c7, c10, 5 @ dmb +#endif + mov pc, lr + + .align 5 + +/* + * Reference prototype: + * * int __kernel_cmpxchg(int oldval, int newval, int *ptr) * * Input: @@ -642,6 +683,8 @@ __kuser_helper_start: * The C flag is also set if *ptr was changed to allow for assembly * optimization in the calling code. * + * Note: this routine already includes memory barriers as needed. + * * For example, a user space atomic_add implementation could look like this: * * #define atomic_add(ptr, val) \ @@ -698,10 +741,16 @@ __kuser_cmpxchg: @ 0xffff0fc0 #else +#ifdef CONFIG_SMP + mcr p15, 0, r0, c7, c10, 5 @ dmb +#endif ldrex r3, [r2] subs r3, r3, r0 strexeq r3, r1, [r2] rsbs r0, r3, #0 +#ifdef CONFIG_SMP + mcr p15, 0, r0, c7, c10, 5 @ dmb +#endif mov pc, lr #endif diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index f7f18307523..e2b42997ad3 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -145,7 +145,7 @@ ENTRY(vector_swi) #endif enable_irq - str r4, [sp, #-S_OFF]! @ push fifth arg + stmdb sp!, {r4, r5} @ push fifth and sixth args get_thread_info tsk ldr ip, [tsk, #TI_FLAGS] @ check for syscall tracing @@ -204,7 +204,7 @@ ENTRY(sys_call_table) * Special system call wrappers */ @ r0 = syscall number -@ r5 = syscall table +@ r8 = syscall table .type sys_syscall, #function sys_syscall: eor scno, r0, #__NR_SYSCALL_BASE @@ -255,22 +255,6 @@ sys_sigaltstack_wrapper: ldr r2, [sp, #S_OFF + S_SP] b do_sigaltstack -sys_futex_wrapper: - str r5, [sp, #4] @ push sixth arg - b sys_futex - -sys_arm_fadvise64_64_wrapper: - str r5, [sp, #4] @ push r5 to stack - b sys_arm_fadvise64_64 - -sys_mbind_wrapper: - str r5, [sp, #4] - b sys_mbind - -sys_ipc_wrapper: - str r5, [sp, #4] @ push sixth arg - b sys_ipc - /* * Note: off_4k (r5) is always units of 4K. If we can't do the requested * offset, we return EINVAL. diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 6055e1427ba..055bf5d2889 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, break; case R_ARM_PC24: + case R_ARM_CALL: + case R_ARM_JUMP24: offset = (*(u32 *)loc & 0x00ffffff) << 2; if (offset & 0x02000000) offset -= 0x04000000; diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 9a340e790da..2b84f78d7b0 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -242,6 +242,15 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in */ long aluop1, aluop2, ccbit; + if ((insn & 0x0fffffd0) == 0x012fff10) { + /* + * bx or blx + */ + alt = get_user_reg(child, insn & 15); + break; + } + + if ((insn & 0xf000) != 0xf000) break; diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index f74b9af112d..852ea72d8c8 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state) PSPR = 0; /* restore registers */ + RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); + RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GAFR0_L); RESTORE(GAFR0_U); RESTORE(GAFR1_L); RESTORE(GAFR1_U); RESTORE(GAFR2_L); RESTORE(GAFR2_U); - RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); - RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2); RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); #ifdef CONFIG_PXA27x RESTORE(MDREFR); - RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3); - RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); + RESTORE_GPLEVEL(3); RESTORE(GPDR3); + RESTORE(GAFR3_L); RESTORE(GAFR3_U); + RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER); RESTORE(PFER); RESTORE(PKWR); #endif diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index 32b0c24ab9a..19edcd526ba 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -191,7 +191,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) */ save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index df6c2bcde06..2333aead056 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -554,7 +554,9 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) struct pt_regs ptregs; ptregs = *(struct pt_regs *) - ((unsigned long)tsk->thread_info+THREAD_SIZE - sizeof(ptregs)); + ((unsigned long)tsk->thread_info + + /* see comments in copy_thread() about -8 */ + THREAD_SIZE - sizeof(ptregs) - 8); ptregs.xcs &= 0xffff; ptregs.xds &= 0xffff; ptregs.xes &= 0xffff; diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index d16520da455..9ed449af8e9 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -1338,8 +1338,7 @@ int __cpu_disable(void) if (cpu == 0) return -EBUSY; - /* We enable the timer again on the exit path of the death loop */ - disable_APIC_timer(); + clear_local_APIC(); /* Allow any queued timer interrupts to get serviced */ local_irq_enable(); mdelay(1); diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index c34d1bfc516..f0dffa03fbb 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -650,13 +650,6 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code) cpu = smp_processor_id(); -#ifdef CONFIG_HOTPLUG_CPU - if (!cpu_online(cpu)) { - nmi_exit(); - return; - } -#endif - ++nmi_count(cpu); if (!rcu_dereference(nmi_callback)(regs, cpu)) diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c index 5d09de8d1c6..247fde76aae 100644 --- a/arch/i386/mm/ioremap.c +++ b/arch/i386/mm/ioremap.c @@ -223,9 +223,15 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size) } EXPORT_SYMBOL(ioremap_nocache); +/** + * iounmap - Free a IO remapping + * @addr: virtual address from ioremap_* + * + * Caller must ensure there is only one unmapping for the same pointer. + */ void iounmap(volatile void __iomem *addr) { - struct vm_struct *p; + struct vm_struct *p, *o; if ((void __force *)addr <= high_memory) return; @@ -239,22 +245,37 @@ void iounmap(volatile void __iomem *addr) addr < phys_to_virt(ISA_END_ADDRESS)) return; - write_lock(&vmlist_lock); - p = __remove_vm_area((void *)(PAGE_MASK & (unsigned long __force)addr)); - if (!p) { - printk(KERN_WARNING "iounmap: bad address %p\n", addr); + addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr); + + /* Use the vm area unlocked, assuming the caller + ensures there isn't another iounmap for the same address + in parallel. Reuse of the virtual address is prevented by + leaving it in the global lists until we're done with it. + cpa takes care of the direct mappings. */ + read_lock(&vmlist_lock); + for (p = vmlist; p; p = p->next) { + if (p->addr == addr) + break; + } + read_unlock(&vmlist_lock); + + if (!p) { + printk("iounmap: bad address %p\n", addr); dump_stack(); - goto out_unlock; + return; } + /* Reset the direct mapping. Can block */ if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) { change_page_attr(virt_to_page(__va(p->phys_addr)), p->size >> PAGE_SHIFT, PAGE_KERNEL); global_flush_tlb(); } -out_unlock: - write_unlock(&vmlist_lock); + + /* Finally remove it */ + o = remove_vm_area((void *)addr); + BUG_ON(p != o || o == NULL); kfree(p); } EXPORT_SYMBOL(iounmap); diff --git a/arch/i386/pci/Makefile b/arch/i386/pci/Makefile index ead6122dd06..5461d4d5ea1 100644 --- a/arch/i386/pci/Makefile +++ b/arch/i386/pci/Makefile @@ -1,7 +1,7 @@ obj-y := i386.o obj-$(CONFIG_PCI_BIOS) += pcbios.o -obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o +obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o direct.o obj-$(CONFIG_PCI_DIRECT) += direct.o pci-y := fixup.o diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c index 94331d6be7a..e3ac502bf2f 100644 --- a/arch/i386/pci/direct.c +++ b/arch/i386/pci/direct.c @@ -13,7 +13,7 @@ #define PCI_CONF1_ADDRESS(bus, devfn, reg) \ (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3)) -static int pci_conf1_read(unsigned int seg, unsigned int bus, +int pci_conf1_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { unsigned long flags; @@ -42,7 +42,7 @@ static int pci_conf1_read(unsigned int seg, unsigned int bus, return 0; } -static int pci_conf1_write(unsigned int seg, unsigned int bus, +int pci_conf1_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { unsigned long flags; diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c index dfbf80cff83..4bb4d4b0f73 100644 --- a/arch/i386/pci/mmconfig.c +++ b/arch/i386/pci/mmconfig.c @@ -19,21 +19,25 @@ /* The base address of the last MMCONFIG device accessed */ static u32 mmcfg_last_accessed_device; +static DECLARE_BITMAP(fallback_slots, 32); + /* * Functions for accessing PCI configuration space with MMCONFIG accesses */ -static u32 get_base_addr(unsigned int seg, int bus) +static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) { int cfg_num = -1; struct acpi_table_mcfg_config *cfg; + if (seg == 0 && bus == 0 && + test_bit(PCI_SLOT(devfn), fallback_slots)) + return 0; + while (1) { ++cfg_num; if (cfg_num >= pci_mmcfg_config_num) { - /* something bad is going on, no cfg table is found. */ - /* so we fall back to the old way we used to do this */ - /* and just rely on the first entry to be correct. */ - return pci_mmcfg_config[0].base_address; + /* Not found - fallback to type 1 */ + return 0; } cfg = &pci_mmcfg_config[cfg_num]; if (cfg->pci_segment_group_number != seg) @@ -44,9 +48,9 @@ static u32 get_base_addr(unsigned int seg, int bus) } } -static inline void pci_exp_set_dev_base(unsigned int seg, int bus, int devfn) +static inline void pci_exp_set_dev_base(unsigned int base, int bus, int devfn) { - u32 dev_base = get_base_addr(seg, bus) | (bus << 20) | (devfn << 12); + u32 dev_base = base | (bus << 20) | (devfn << 12); if (dev_base != mmcfg_last_accessed_device) { mmcfg_last_accessed_device = dev_base; set_fixmap_nocache(FIX_PCIE_MCFG, dev_base); @@ -57,13 +61,18 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { unsigned long flags; + u32 base; if (!value || (bus > 255) || (devfn > 255) || (reg > 4095)) return -EINVAL; + base = get_base_addr(seg, bus, devfn); + if (!base) + return pci_conf1_read(seg,bus,devfn,reg,len,value); + spin_lock_irqsave(&pci_config_lock, flags); - pci_exp_set_dev_base(seg, bus, devfn); + pci_exp_set_dev_base(base, bus, devfn); switch (len) { case 1: @@ -86,13 +95,18 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { unsigned long flags; + u32 base; if ((bus > 255) || (devfn > 255) || (reg > 4095)) return -EINVAL; + base = get_base_addr(seg, bus, devfn); + if (!base) + return pci_conf1_write(seg,bus,devfn,reg,len,value); + spin_lock_irqsave(&pci_config_lock, flags); - pci_exp_set_dev_base(seg, bus, devfn); + pci_exp_set_dev_base(base, bus, devfn); switch (len) { case 1: @@ -116,6 +130,37 @@ static struct pci_raw_ops pci_mmcfg = { .write = pci_mmcfg_write, }; +/* K8 systems have some devices (typically in the builtin northbridge) + that are only accessible using type1 + Normally this can be expressed in the MCFG by not listing them + and assigning suitable _SEGs, but this isn't implemented in some BIOS. + Instead try to discover all devices on bus 0 that are unreachable using MM + and fallback for them. + We only do this for bus 0/seg 0 */ +static __init void unreachable_devices(void) +{ + int i; + unsigned long flags; + + for (i = 0; i < 32; i++) { + u32 val1; + u32 addr; + + pci_conf1_read(0, 0, PCI_DEVFN(i, 0), 0, 4, &val1); + if (val1 == 0xffffffff) + continue; + + /* Locking probably not needed, but safer */ + spin_lock_irqsave(&pci_config_lock, flags); + addr = get_base_addr(0, 0, PCI_DEVFN(i, 0)); + if (addr != 0) + pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0)); + if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1) + set_bit(i, fallback_slots); + spin_unlock_irqrestore(&pci_config_lock, flags); + } +} + static int __init pci_mmcfg_init(void) { if ((pci_probe & PCI_PROBE_MMCONF) == 0) @@ -131,6 +176,8 @@ static int __init pci_mmcfg_init(void) raw_pci_ops = &pci_mmcfg; pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; + unreachable_devices(); + out: return 0; } diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h index 127d53ad16b..f550781ec31 100644 --- a/arch/i386/pci/pci.h +++ b/arch/i386/pci/pci.h @@ -74,3 +74,10 @@ extern spinlock_t pci_config_lock; extern int (*pcibios_enable_irq)(struct pci_dev *dev); extern void (*pcibios_disable_irq)(struct pci_dev *dev); + +extern int pci_conf1_write(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 value); +extern int pci_conf1_read(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 *value); + + diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index b76ce1fe2e7..199eeaf0f4e 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -58,7 +58,7 @@ config IA64_UNCACHED_ALLOCATOR bool select GENERIC_ALLOCATOR -config ZONE_DMA_IS_DMA32 +config DMA_IS_DMA32 bool default y diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig index 87cfd31a4a3..ff8bb3770c9 100644 --- a/arch/ia64/configs/sn2_defconfig +++ b/arch/ia64/configs/sn2_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.13-rc6 -# Tue Aug 16 14:40:41 2005 +# Linux kernel version: 2.6.15-rc4 +# Fri Dec 2 10:33:48 2005 # # @@ -16,6 +16,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -26,6 +27,7 @@ CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set CONFIG_CPUSETS=y +CONFIG_INITRAMFS_SOURCE="" # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -56,11 +58,29 @@ CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # Processor type and features # CONFIG_IA64=y CONFIG_64BIT=y CONFIG_MMU=y +CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_TIME_INTERPOLATION=y @@ -68,6 +88,7 @@ CONFIG_EFI=y CONFIG_GENERIC_IOMAP=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_IA64_UNCACHED_ALLOCATOR=y +CONFIG_ZONE_DMA_IS_DMA32=y # CONFIG_IA64_GENERIC is not set # CONFIG_IA64_DIG is not set # CONFIG_IA64_HP_ZX1 is not set @@ -87,16 +108,12 @@ CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_IA64_L1_CACHE_SHIFT=7 -CONFIG_NUMA=y -CONFIG_VIRTUAL_MEM_MAP=y -CONFIG_HOLES_IN_ZONE=y -CONFIG_ARCH_DISCONTIGMEM_ENABLE=y # CONFIG_IA64_CYCLONE is not set CONFIG_IOSAPIC=y CONFIG_IA64_SGI_SN_XP=m -CONFIG_FORCE_MAX_ZONEORDER=18 +CONFIG_FORCE_MAX_ZONEORDER=17 CONFIG_SMP=y -CONFIG_NR_CPUS=512 +CONFIG_NR_CPUS=1024 # CONFIG_HOTPLUG_CPU is not set CONFIG_SCHED_SMT=y CONFIG_PREEMPT=y @@ -107,7 +124,17 @@ CONFIG_DISCONTIGMEM_MANUAL=y CONFIG_DISCONTIGMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_NEED_MULTIPLE_NODES=y -CONFIG_HAVE_DEC_LOCK=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y +CONFIG_NUMA=y +CONFIG_VIRTUAL_MEM_MAP=y +CONFIG_HOLES_IN_ZONE=y +CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y CONFIG_IA32_SUPPORT=y CONFIG_COMPAT=y CONFIG_IA64_MCA_RECOVERY=y @@ -126,28 +153,35 @@ CONFIG_BINFMT_ELF=y # Power management and ACPI # CONFIG_PM=y -CONFIG_ACPI=y +# CONFIG_PM_LEGACY is not set +# CONFIG_PM_DEBUG is not set # # ACPI (Advanced Configuration and Power Interface) Support # +CONFIG_ACPI=y # CONFIG_ACPI_BUTTON is not set # CONFIG_ACPI_FAN is not set # CONFIG_ACPI_PROCESSOR is not set CONFIG_ACPI_NUMA=y +CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y # CONFIG_ACPI_CONTAINER is not set # +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# # Bus options (PCI, PCMCIA) # CONFIG_PCI=y CONFIG_PCI_DOMAINS=y # CONFIG_PCI_MSI is not set CONFIG_PCI_LEGACY_PROC=y -CONFIG_PCI_NAMES=y # CONFIG_PCI_DEBUG is not set # @@ -191,8 +225,8 @@ CONFIG_SYN_COOKIES=y # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set +CONFIG_INET_DIAG=m +CONFIG_INET_TCP_DIAG=m # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_BIC=y CONFIG_IPV6=m @@ -205,6 +239,11 @@ CONFIG_IPV6=m # CONFIG_NETFILTER is not set # +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set @@ -220,8 +259,11 @@ CONFIG_IPV6=m # CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing @@ -230,6 +272,7 @@ CONFIG_IPV6=m # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_IEEE80211 is not set # # Device Drivers @@ -244,6 +287,11 @@ CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set # +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# # Memory Technology Devices (MTD) # # CONFIG_MTD is not set @@ -275,16 +323,7 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y CONFIG_ATA_OVER_ETH=m # @@ -349,6 +388,7 @@ CONFIG_IDEDMA_AUTO=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_PROC_FS=y @@ -375,11 +415,13 @@ CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_FC_ATTRS=y -# CONFIG_SCSI_ISCSI_ATTRS is not set +CONFIG_SCSI_ISCSI_ATTRS=m +CONFIG_SCSI_SAS_ATTRS=y # # SCSI low-level drivers # +CONFIG_ISCSI_TCP=m # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -389,15 +431,19 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_AIC79XX is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set CONFIG_SCSI_SATA=y # CONFIG_SCSI_SATA_AHCI is not set # CONFIG_SCSI_SATA_SVW is not set # CONFIG_SCSI_ATA_PIIX is not set +# CONFIG_SCSI_SATA_MV is not set # CONFIG_SCSI_SATA_NV is not set -# CONFIG_SCSI_SATA_PROMISE is not set +# CONFIG_SCSI_PDC_ADMA is not set # CONFIG_SCSI_SATA_QSTOR is not set +# CONFIG_SCSI_SATA_PROMISE is not set # CONFIG_SCSI_SATA_SX4 is not set # CONFIG_SCSI_SATA_SIL is not set +# CONFIG_SCSI_SATA_SIL24 is not set # CONFIG_SCSI_SATA_SIS is not set # CONFIG_SCSI_SATA_ULI is not set # CONFIG_SCSI_SATA_VIA is not set @@ -411,7 +457,6 @@ CONFIG_SCSI_SATA_VITESSE=y # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_FC is not set CONFIG_SCSI_QLOGIC_1280=y -# CONFIG_SCSI_QLOGIC_1280_1040 is not set CONFIG_SCSI_QLA2XXX=y # CONFIG_SCSI_QLA21XX is not set CONFIG_SCSI_QLA22XX=y @@ -451,6 +496,7 @@ CONFIG_DM_MULTIPATH_EMC=m CONFIG_FUSION=y CONFIG_FUSION_SPI=y CONFIG_FUSION_FC=y +CONFIG_FUSION_SAS=y CONFIG_FUSION_MAX_SGE=128 CONFIG_FUSION_CTL=m @@ -479,6 +525,10 @@ CONFIG_NETDEVICES=y # CONFIG_ARCNET is not set # +# PHY device support +# + +# # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set @@ -493,6 +543,7 @@ CONFIG_NETDEVICES=y # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set # CONFIG_R8169 is not set +# CONFIG_SIS190 is not set # CONFIG_SKGE is not set # CONFIG_SK98LIN is not set CONFIG_TIGON3=y @@ -501,10 +552,10 @@ CONFIG_TIGON3=y # # Ethernet (10000 Mbit) # +CONFIG_CHELSIO_T1=m # CONFIG_IXGB is not set CONFIG_S2IO=m # CONFIG_S2IO_NAPI is not set -# CONFIG_2BUFF_MODE is not set # # Token Ring devices @@ -583,6 +634,7 @@ CONFIG_HW_CONSOLE=y CONFIG_SERIAL_NONSTANDARD=y # CONFIG_ROCKETPORT is not set # CONFIG_CYCLADES is not set +# CONFIG_DIGIEPCA is not set # CONFIG_MOXA_SMARTIO is not set # CONFIG_ISI is not set # CONFIG_SYNCLINKMP is not set @@ -629,7 +681,8 @@ CONFIG_EFI_RTC=y # # Ftape, the floppy tape device driver # -# CONFIG_AGP is not set +CONFIG_AGP=y +CONFIG_AGP_SGI_TIOCA=y # CONFIG_DRM is not set CONFIG_RAW_DRIVER=m # CONFIG_HPET is not set @@ -641,12 +694,12 @@ CONFIG_MMTIMER=y # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support # # CONFIG_I2C is not set -# CONFIG_I2C_SENSOR is not set # # Dallas's 1-wire bus @@ -657,12 +710,17 @@ CONFIG_MMTIMER=y # Hardware Monitoring support # # CONFIG_HWMON is not set +# CONFIG_HWMON_VID is not set # # Misc devices # # +# Multimedia Capabilities Port drivers +# + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -721,12 +779,15 @@ CONFIG_USB_UHCI_HCD=m # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information # # CONFIG_USB_STORAGE is not set @@ -751,9 +812,11 @@ CONFIG_USB_HIDINPUT=y # CONFIG_USB_MTOUCH is not set # CONFIG_USB_ITMTOUCH is not set # CONFIG_USB_EGALAX is not set +# CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set # CONFIG_USB_KEYSPAN_REMOTE is not set +# CONFIG_USB_APPLETOUCH is not set # # USB Imaging devices @@ -824,11 +887,13 @@ CONFIG_USB_MON=y # InfiniBand support # CONFIG_INFINIBAND=m -CONFIG_INFINIBAND_USER_VERBS=m +# CONFIG_INFINIBAND_USER_MAD is not set +CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_INFINIBAND_MTHCA=m # CONFIG_INFINIBAND_MTHCA_DEBUG is not set CONFIG_INFINIBAND_IPOIB=m # CONFIG_INFINIBAND_IPOIB_DEBUG is not set +CONFIG_INFINIBAND_SRP=m # # SN Devices @@ -858,16 +923,12 @@ CONFIG_REISERFS_FS_POSIX_ACL=y CONFIG_REISERFS_FS_SECURITY=y # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y - -# -# XFS support -# CONFIG_XFS_FS=y CONFIG_XFS_EXPORT=y -CONFIG_XFS_RT=y CONFIG_XFS_QUOTA=y # CONFIG_XFS_SECURITY is not set CONFIG_XFS_POSIX_ACL=y +CONFIG_XFS_RT=y # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y @@ -878,6 +939,7 @@ CONFIG_QUOTACTL=y CONFIG_DNOTIFY=y CONFIG_AUTOFS_FS=m CONFIG_AUTOFS4_FS=m +CONFIG_FUSE_FS=m # # CD-ROM/DVD Filesystems @@ -904,13 +966,11 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_SYSFS=y -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -CONFIG_TMPFS_XATTR=y -CONFIG_TMPFS_SECURITY=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y +CONFIG_RELAYFS_FS=m # # Miscellaneous filesystems @@ -959,6 +1019,7 @@ 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 @@ -1028,18 +1089,21 @@ CONFIG_NLS_UTF8=y # Library routines # # CONFIG_CRC_CCITT is not set +CONFIG_CRC16=m CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set +CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=m CONFIG_ZLIB_DEFLATE=m CONFIG_GENERIC_ALLOCATOR=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_PENDING_IRQ=y # -# Profiling support +# Instrumentation Support # # CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set # # Kernel hacking @@ -1048,6 +1112,7 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y CONFIG_LOG_BUF_SHIFT=20 +CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set CONFIG_DEBUG_PREEMPT=y @@ -1056,7 +1121,8 @@ CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_FS is not set -# CONFIG_KPROBES is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set CONFIG_IA64_GRANULE_16MB=y # CONFIG_IA64_GRANULE_64MB is not set # CONFIG_IA64_PRINT_HAZARDS is not set @@ -1097,7 +1163,7 @@ CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_ANUBIS is not set CONFIG_CRYPTO_DEFLATE=m # CONFIG_CRYPTO_MICHAEL_MIC is not set -# CONFIG_CRYPTO_CRC32C is not set +CONFIG_CRYPTO_CRC32C=m # CONFIG_CRYPTO_TEST is not set # diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig index 9bc8bcafc90..b1e8f09e9fd 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: 2.6.14-rc1 -# Wed Sep 14 15:17:57 2005 +# Linux kernel version: 2.6.15-rc4 +# Fri Dec 2 16:06:32 2005 # # @@ -59,17 +59,36 @@ CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # Processor type and features # CONFIG_IA64=y CONFIG_64BIT=y CONFIG_MMU=y +CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_TIME_INTERPOLATION=y CONFIG_EFI=y CONFIG_GENERIC_IOMAP=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ZONE_DMA_IS_DMA32=y # CONFIG_IA64_GENERIC is not set CONFIG_IA64_DIG=y # CONFIG_IA64_HP_ZX1 is not set @@ -82,18 +101,16 @@ CONFIG_MCKINLEY=y # CONFIG_IA64_PAGE_SIZE_8KB is not set CONFIG_IA64_PAGE_SIZE_16KB=y # CONFIG_IA64_PAGE_SIZE_64KB is not set +CONFIG_PGTABLE_3=y +# CONFIG_PGTABLE_4 is not set # CONFIG_HZ_100 is not set CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_IA64_L1_CACHE_SHIFT=7 -# CONFIG_NUMA is not set -CONFIG_VIRTUAL_MEM_MAP=y -CONFIG_HOLES_IN_ZONE=y CONFIG_IA64_CYCLONE=y CONFIG_IOSAPIC=y -# CONFIG_IA64_SGI_SN_XP is not set -CONFIG_FORCE_MAX_ZONEORDER=18 +CONFIG_FORCE_MAX_ZONEORDER=17 CONFIG_SMP=y CONFIG_NR_CPUS=4 CONFIG_HOTPLUG_CPU=y @@ -106,7 +123,13 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_HAVE_DEC_LOCK=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_VIRTUAL_MEM_MAP=y +CONFIG_HOLES_IN_ZONE=y CONFIG_IA32_SUPPORT=y CONFIG_COMPAT=y CONFIG_IA64_MCA_RECOVERY=y @@ -118,7 +141,6 @@ CONFIG_IA64_PALINFO=y # CONFIG_EFI_VARS=y CONFIG_EFI_PCDP=y -# CONFIG_DELL_RBU is not set CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=m @@ -126,6 +148,7 @@ CONFIG_BINFMT_MISC=m # Power management and ACPI # CONFIG_PM=y +CONFIG_PM_LEGACY=y # CONFIG_PM_DEBUG is not set # @@ -226,14 +249,16 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing # # CONFIG_NET_PKTGEN is not set -# CONFIG_NETFILTER_NETLINK is not set # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set @@ -295,14 +320,6 @@ CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y # CONFIG_ATA_OVER_ETH is not set # @@ -400,6 +417,7 @@ CONFIG_SCSI_FC_ATTRS=y # # SCSI low-level drivers # +# CONFIG_ISCSI_TCP is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -409,6 +427,7 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_AIC79XX is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_SATA is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set @@ -424,7 +443,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 CONFIG_SCSI_QLOGIC_FC=y # CONFIG_SCSI_QLOGIC_FC_FIRMWARE is not set CONFIG_SCSI_QLOGIC_1280=y -# CONFIG_SCSI_QLOGIC_1280_1040 is not set CONFIG_SCSI_QLA2XXX=y CONFIG_SCSI_QLA21XX=m CONFIG_SCSI_QLA22XX=m @@ -463,6 +481,7 @@ CONFIG_DM_ZERO=m CONFIG_FUSION=y CONFIG_FUSION_SPI=y CONFIG_FUSION_FC=y +# CONFIG_FUSION_SAS is not set CONFIG_FUSION_MAX_SGE=128 CONFIG_FUSION_CTL=y @@ -503,6 +522,7 @@ 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 # @@ -727,6 +747,7 @@ CONFIG_MAX_RAW_DEVS=256 # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support @@ -812,12 +833,15 @@ CONFIG_USB_UHCI_HCD=y # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set @@ -1123,9 +1147,10 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y # -# Profiling support +# Instrumentation Support # # CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set # # Kernel hacking @@ -1142,7 +1167,8 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_FS is not set -# CONFIG_KPROBES is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set CONFIG_IA64_GRANULE_16MB=y # CONFIG_IA64_GRANULE_64MB is not set # CONFIG_IA64_PRINT_HAZARDS is not set diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index a7280d9f6c1..4e7a6a1ec6c 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -261,8 +261,6 @@ elf32_set_personality (void) { set_personality(PER_LINUX32); current->thread.map_base = IA32_PAGE_OFFSET/3; - current->thread.task_size = IA32_PAGE_OFFSET; /* use what Linux/x86 uses... */ - set_fs(USER_DS); /* set addr limit for new TASK_SIZE */ } static unsigned long diff --git a/arch/ia64/ia32/ia32priv.h b/arch/ia64/ia32/ia32priv.h index e3e9290e3ff..68ceb4e690c 100644 --- a/arch/ia64/ia32/ia32priv.h +++ b/arch/ia64/ia32/ia32priv.h @@ -305,7 +305,6 @@ struct old_linux32_dirent { #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_386 -#define IA32_PAGE_OFFSET 0xc0000000 #define IA32_STACK_TOP IA32_PAGE_OFFSET #define IA32_GATE_OFFSET IA32_PAGE_OFFSET #define IA32_GATE_END IA32_PAGE_OFFSET + PAGE_SIZE diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 2895d6e6062..89a70400c4f 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -630,7 +630,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args) */ save_previous_kprobe(kcb); set_current_kprobe(p, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_ss(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 2e33665d9c1..e9904c74d2b 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -721,8 +721,13 @@ flush_thread (void) /* drop floating-point and debug-register state if it exists: */ current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID); ia64_drop_fpu(current); - if (IS_IA32_PROCESS(ia64_task_regs(current))) +#ifdef CONFIG_IA32_SUPPORT + if (IS_IA32_PROCESS(ia64_task_regs(current))) { ia32_drop_partial_page_list(current); + current->thread.task_size = IA32_PAGE_OFFSET; + set_fs(USER_DS); + } +#endif } /* diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index ca68e6e44a7..1461dc660b4 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -293,7 +293,7 @@ retry: if (file->f_flags & O_NONBLOCK) return -EAGAIN; if (down_interruptible(&data->sem)) - return -ERESTARTSYS; + return -EINTR; } n = data->cpu_check; diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 5b7e736f3b4..028a2b95936 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -249,3 +249,32 @@ time_init (void) */ set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); } + +#define SMALLUSECS 100 + +void +udelay (unsigned long usecs) +{ + unsigned long start; + unsigned long cycles; + unsigned long smallusecs; + + /* + * Execute the non-preemptible delay loop (because the ITC might + * not be synchronized between CPUS) in relatively short time + * chunks, allowing preemption between the chunks. + */ + while (usecs > 0) { + smallusecs = (usecs > SMALLUSECS) ? SMALLUSECS : usecs; + preempt_disable(); + cycles = smallusecs*local_cpu_data->cyc_per_usec; + start = ia64_get_itc(); + + while (ia64_get_itc() - start < cycles) + cpu_relax(); + + preempt_enable(); + usecs -= smallusecs; + } +} +EXPORT_SYMBOL(udelay); diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c index c6d40446c2c..b631cf86ed4 100644 --- a/arch/ia64/kernel/uncached.c +++ b/arch/ia64/kernel/uncached.c @@ -53,7 +53,7 @@ static void uncached_ipi_visibility(void *data) if ((status != PAL_VISIBILITY_OK) && (status != PAL_VISIBILITY_OK_REMOTE_NEEDED)) printk(KERN_DEBUG "pal_prefetch_visibility() returns %i on " - "CPU %i\n", status, get_cpu()); + "CPU %i\n", status, raw_smp_processor_id()); } @@ -63,7 +63,7 @@ static void uncached_ipi_mc_drain(void *data) status = ia64_pal_mc_drain(); if (status) printk(KERN_WARNING "ia64_pal_mc_drain() failed with %i on " - "CPU %i\n", status, get_cpu()); + "CPU %i\n", status, raw_smp_processor_id()); } @@ -105,7 +105,7 @@ uncached_get_new_chunk(struct gen_pool *poolp) status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL); dprintk(KERN_INFO "pal_prefetch_visibility() returns %i on cpu %i\n", - status, get_cpu()); + status, raw_smp_processor_id()); if (!status) { status = smp_call_function(uncached_ipi_visibility, NULL, 0, 1); diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 30d8564e960..73af6267d2e 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -177,6 +177,9 @@ SECTIONS } . = ALIGN(PAGE_SIZE); /* make sure the gate page doesn't expose kernel data */ + .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) + { *(.data.read_mostly) } + .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { *(.data.cacheline_aligned) } diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 0f776b032d3..c87d6d1d581 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -50,8 +50,10 @@ static nodemask_t memory_less_mask __initdata; * To prevent cache aliasing effects, align per-node structures so that they * start at addresses that are strided by node number. */ +#define MAX_NODE_ALIGN_OFFSET (32 * 1024 * 1024) #define NODEDATA_ALIGN(addr, node) \ - ((((addr) + 1024*1024-1) & ~(1024*1024-1)) + (node)*PERCPU_PAGE_SIZE) + ((((addr) + 1024*1024-1) & ~(1024*1024-1)) + \ + (((node)*PERCPU_PAGE_SIZE) & (MAX_NODE_ALIGN_OFFSET - 1))) /** * build_node_maps - callback to setup bootmem structs for each node diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 05e4ea88998..318087e35b6 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. */ #include <linux/bootmem.h> @@ -147,6 +147,24 @@ sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, } /* + * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified + * device. + */ +inline struct pcidev_info * +sn_pcidev_info_get(struct pci_dev *dev) +{ + struct pcidev_info *pcidev; + + list_for_each_entry(pcidev, + &(SN_PCI_CONTROLLER(dev)->pcidev_info), pdi_list) { + if (pcidev->pdi_linux_pcidev == dev) { + return pcidev; + } + } + return NULL; +} + +/* * sn_fixup_ionodes() - This routine initializes the HUB data strcuture for * each node in the system. */ @@ -229,6 +247,50 @@ static void sn_fixup_ionodes(void) } +/* + * sn_pci_window_fixup() - Create a pci_window for each device resource. + * Until ACPI support is added, we need this code + * to setup pci_windows for use by + * pcibios_bus_to_resource(), + * pcibios_resource_to_bus(), etc. + */ +static void +sn_pci_window_fixup(struct pci_dev *dev, unsigned int count, + int64_t * pci_addrs) +{ + struct pci_controller *controller = PCI_CONTROLLER(dev->bus); + unsigned int i; + unsigned int idx; + unsigned int new_count; + struct pci_window *new_window; + + if (count == 0) + return; + idx = controller->windows; + new_count = controller->windows + count; + new_window = kcalloc(new_count, sizeof(struct pci_window), GFP_KERNEL); + if (new_window == NULL) + BUG(); + if (controller->window) { + memcpy(new_window, controller->window, + sizeof(struct pci_window) * controller->windows); + kfree(controller->window); + } + + /* Setup a pci_window for each device resource. */ + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { + if (pci_addrs[i] == -1) + continue; + + new_window[idx].offset = dev->resource[i].start - pci_addrs[i]; + new_window[idx].resource = dev->resource[i]; + idx++; + } + + controller->windows = new_count; + controller->window = new_window; +} + void sn_pci_unfixup_slot(struct pci_dev *dev) { struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev; @@ -246,21 +308,23 @@ void sn_pci_unfixup_slot(struct pci_dev *dev) */ void sn_pci_fixup_slot(struct pci_dev *dev) { + unsigned int count = 0; int idx; int segment = pci_domain_nr(dev->bus); int status = 0; struct pcibus_bussoft *bs; struct pci_bus *host_pci_bus; struct pci_dev *host_pci_dev; + struct pcidev_info *pcidev_info; + int64_t pci_addrs[PCI_ROM_RESOURCE + 1]; struct sn_irq_info *sn_irq_info; unsigned long size; unsigned int bus_no, devfn; pci_dev_get(dev); /* for the sysdata pointer */ - dev->sysdata = kmalloc(sizeof(struct pcidev_info), GFP_KERNEL); - if (SN_PCIDEV_INFO(dev) <= 0) + pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); + if (pcidev_info <= 0) BUG(); /* Cannot afford to run out of memory */ - memset(SN_PCIDEV_INFO(dev), 0, sizeof(struct pcidev_info)); sn_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_KERNEL); if (sn_irq_info <= 0) @@ -270,22 +334,34 @@ void sn_pci_fixup_slot(struct pci_dev *dev) /* Call to retrieve pci device information needed by kernel. */ status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, dev->devfn, - (u64) __pa(SN_PCIDEV_INFO(dev)), + (u64) __pa(pcidev_info), (u64) __pa(sn_irq_info)); if (status) BUG(); /* Cannot get platform pci device information */ + /* Add pcidev_info to list in sn_pci_controller struct */ + list_add_tail(&pcidev_info->pdi_list, + &(SN_PCI_CONTROLLER(dev->bus)->pcidev_info)); + /* Copy over PIO Mapped Addresses */ for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { unsigned long start, end, addr; - if (!SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx]) + if (!pcidev_info->pdi_pio_mapped_addr[idx]) { + pci_addrs[idx] = -1; continue; + } start = dev->resource[idx].start; end = dev->resource[idx].end; size = end - start; - addr = SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx]; + if (size == 0) { + pci_addrs[idx] = -1; + continue; + } + pci_addrs[idx] = start; + count++; + addr = pcidev_info->pdi_pio_mapped_addr[idx]; addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET; dev->resource[idx].start = addr; dev->resource[idx].end = addr + size; @@ -294,23 +370,27 @@ void sn_pci_fixup_slot(struct pci_dev *dev) else dev->resource[idx].parent = &iomem_resource; } + /* Create a pci_window in the pci_controller struct for + * each device resource. + */ + if (count > 0) + sn_pci_window_fixup(dev, count, pci_addrs); /* * Using the PROMs values for the PCI host bus, get the Linux * PCI host_pci_dev struct and set up host bus linkages */ - bus_no = (SN_PCIDEV_INFO(dev)->pdi_slot_host_handle >> 32) & 0xff; - devfn = SN_PCIDEV_INFO(dev)->pdi_slot_host_handle & 0xffffffff; + bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff; + devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff; host_pci_bus = pci_find_bus(segment, bus_no); host_pci_dev = pci_get_slot(host_pci_bus, devfn); - SN_PCIDEV_INFO(dev)->host_pci_dev = host_pci_dev; - SN_PCIDEV_INFO(dev)->pdi_host_pcidev_info = - SN_PCIDEV_INFO(host_pci_dev); - SN_PCIDEV_INFO(dev)->pdi_linux_pcidev = dev; + pcidev_info->host_pci_dev = host_pci_dev; + pcidev_info->pdi_linux_pcidev = dev; + pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev); bs = SN_PCIBUS_BUSSOFT(dev->bus); - SN_PCIDEV_INFO(dev)->pdi_pcibus_info = bs; + pcidev_info->pdi_pcibus_info = bs; if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) { SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type]; @@ -320,11 +400,11 @@ void sn_pci_fixup_slot(struct pci_dev *dev) /* Only set up IRQ stuff if this device has a host bus context */ if (bs && sn_irq_info->irq_irq) { - SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = sn_irq_info; - dev->irq = SN_PCIDEV_INFO(dev)->pdi_sn_irq_info->irq_irq; + pcidev_info->pdi_sn_irq_info = sn_irq_info; + dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq; sn_irq_fixup(dev, sn_irq_info); } else { - SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = NULL; + pcidev_info->pdi_sn_irq_info = NULL; kfree(sn_irq_info); } } @@ -338,6 +418,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) int status = 0; int nasid, cnode; struct pci_controller *controller; + struct sn_pci_controller *sn_controller; struct pcibus_bussoft *prom_bussoft_ptr; struct hubdev_info *hubdev_info; void *provider_soft = NULL; @@ -349,10 +430,15 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) return; /*bus # does not exist */ prom_bussoft_ptr = __va(prom_bussoft_ptr); - controller = kzalloc(sizeof(struct pci_controller), GFP_KERNEL); + /* Allocate a sn_pci_controller, which has a pci_controller struct + * as the first member. + */ + sn_controller = kzalloc(sizeof(struct sn_pci_controller), GFP_KERNEL); + if (!sn_controller) + BUG(); + INIT_LIST_HEAD(&sn_controller->pcidev_info); + controller = &sn_controller->pci_controller; controller->segment = segment; - if (!controller) - BUG(); if (bus == NULL) { bus = pci_scan_bus(busnum, &pci_root_ops, controller); @@ -390,6 +476,29 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) } /* + * Setup pci_windows for legacy IO and MEM space. + * (Temporary until ACPI support is in place.) + */ + controller->window = kcalloc(2, sizeof(struct pci_window), GFP_KERNEL); + if (controller->window == NULL) + BUG(); + controller->window[0].offset = prom_bussoft_ptr->bs_legacy_io; + controller->window[0].resource.name = "legacy_io"; + controller->window[0].resource.flags = IORESOURCE_IO; + controller->window[0].resource.start = prom_bussoft_ptr->bs_legacy_io; + controller->window[0].resource.end = + controller->window[0].resource.start + 0xffff; + controller->window[0].resource.parent = &ioport_resource; + controller->window[1].offset = prom_bussoft_ptr->bs_legacy_mem; + controller->window[1].resource.name = "legacy_mem"; + controller->window[1].resource.flags = IORESOURCE_MEM; + controller->window[1].resource.start = prom_bussoft_ptr->bs_legacy_mem; + controller->window[1].resource.end = + controller->window[1].resource.start + (1024 * 1024) - 1; + controller->window[1].resource.parent = &iomem_resource; + controller->windows = 2; + + /* * Generic bus fixup goes here. Don't reference prom_bussoft_ptr * after this point. */ @@ -421,7 +530,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) error_return: - kfree(controller); + kfree(sn_controller); return; } @@ -434,7 +543,7 @@ void sn_bus_store_sysdata(struct pci_dev *dev) dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__); return; } - element->sysdata = dev->sysdata; + element->sysdata = SN_PCIDEV_INFO(dev); list_add(&element->entry, &sn_sysdata_list); } diff --git a/arch/ia64/sn/kernel/sn2/ptc_deadlock.S b/arch/ia64/sn/kernel/sn2/ptc_deadlock.S index 3fa95065a44..bebbcc4f8dd 100644 --- a/arch/ia64/sn/kernel/sn2/ptc_deadlock.S +++ b/arch/ia64/sn/kernel/sn2/ptc_deadlock.S @@ -39,9 +39,13 @@ sn2_ptc_deadlock_recovery_core: mov r8=r0 1: + cmp.ne p8,p9=r0,ptc1 // Test for shub type (ptc1 non-null on shub1) + // p8 = 1 if shub1, p9 = 1 if shub2 + add scr2=ALIAS_OFFSET,piowc // Address of WRITE_STATUS alias register - ;; - ld8.acq scr1=[scr2];; + mov scr1=7;; // Clear DEADLOCK, WRITE_ERROR, MULTI_WRITE_ERROR +(p8) st8.rel [scr2]=scr1;; +(p9) ld8.acq scr1=[scr2];; 5: ld8.acq scr1=[piowc];; // Wait for PIOs to complete. hint @pause diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index 5d54f5f4e92..471bbaa65d1 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -202,7 +202,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long nbits) { int i, opt, shub1, cnode, mynasid, cpu, lcpu = 0, nasid, flushed = 0; - int mymm = (mm == current->active_mm); + int mymm = (mm == current->active_mm && current->mm); volatile unsigned long *ptc0, *ptc1; unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value; short nasids[MAX_NUMNODES], nix; diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c index 5d534091262..79fdb91d725 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c @@ -25,7 +25,7 @@ union br_ptr { */ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -38,14 +38,14 @@ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_control_bit_clr: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -58,7 +58,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_control_bit_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -68,7 +68,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) */ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; uint64_t ret = 0; if (pcibus_info) { @@ -82,7 +82,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info) default: panic ("pcireg_tflush_get: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } @@ -98,7 +98,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info) */ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; uint64_t ret = 0; if (pcibus_info) { @@ -112,7 +112,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info) default: panic ("pcireg_intr_status_get: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } return ret; @@ -123,7 +123,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info) */ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -136,14 +136,14 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_intr_enable_bit_clr: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -156,7 +156,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_intr_enable_bit_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -167,7 +167,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n, uint64_t addr) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -186,7 +186,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n, default: panic ("pcireg_intr_addr_addr_get: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -196,7 +196,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n, */ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -209,7 +209,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n) default: panic ("pcireg_force_intr_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -219,7 +219,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n) */ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; uint64_t ret = 0; if (pcibus_info) { @@ -233,7 +233,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device) __sn_readq_relaxed(&ptr->pic.p_wr_req_buf[device]); break; default: - panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", (void *)ptr); + panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", ptr); } } @@ -244,7 +244,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device) void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index, uint64_t val) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -257,15 +257,15 @@ void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index, default: panic ("pcireg_int_ate_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } -uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index) +uint64_t __iomem *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; - uint64_t *ret = (uint64_t *) 0; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; + uint64_t __iomem *ret = NULL; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -278,7 +278,7 @@ uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index) default: panic ("pcireg_int_ate_addr: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } return ret; diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c index 46b646a6d34..27aa1842dac 100644 --- a/arch/ia64/sn/pci/tioca_provider.c +++ b/arch/ia64/sn/pci/tioca_provider.c @@ -38,10 +38,10 @@ tioca_gart_init(struct tioca_kernel *tioca_kern) uint64_t offset; struct page *tmp; struct tioca_common *tioca_common; - struct tioca *ca_base; + struct tioca __iomem *ca_base; tioca_common = tioca_kern->ca_common; - ca_base = (struct tioca *)tioca_common->ca_common.bs_base; + ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base; if (list_empty(tioca_kern->ca_devices)) return 0; @@ -215,7 +215,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern) { int cap_ptr; uint32_t reg; - struct tioca *tioca_base; + struct tioca __iomem *tioca_base; struct pci_dev *pdev; struct tioca_common *common; @@ -257,7 +257,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern) * Set ca's fw to match */ - tioca_base = (struct tioca *)common->ca_common.bs_base; + tioca_base = (struct tioca __iomem*)common->ca_common.bs_base; __sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE); } @@ -322,7 +322,7 @@ static uint64_t tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr) { struct tioca_common *tioca_common; - struct tioca *ca_base; + struct tioca __iomem *ca_base; uint64_t ct_addr; dma_addr_t bus_addr; uint32_t node_upper; @@ -330,7 +330,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr) struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev); tioca_common = (struct tioca_common *)pcidev_info->pdi_pcibus_info; - ca_base = (struct tioca *)tioca_common->ca_common.bs_base; + ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base; ct_addr = PHYS_TO_TIODMA(paddr); if (!ct_addr) diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 330cf84d21f..60353f5acc4 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -420,7 +420,7 @@ asmlinkage ssize_t sys32_pread(unsigned int fd, char * buf, goto out; pos = merge_64(a4, a5); ret = rw_verify_area(READ, file, &pos, count); - if (ret) + if (ret < 0) goto out; ret = -EINVAL; if (!file->f_op || !(read = file->f_op->read)) @@ -455,7 +455,7 @@ asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char * buf, goto out; pos = merge_64(a4, a5); ret = rw_verify_area(WRITE, file, &pos, count); - if (ret) + if (ret < 0) goto out; ret = -EINVAL; if (!file->f_op || !(write = file->f_op->write)) diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 3a49036e0ae..4ee91c9a556 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -67,8 +67,8 @@ unsigned long setup_zero_pages(void) page = virt_to_page(empty_zero_page); while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) { - set_bit(PG_reserved, &page->flags); - reset_page_mapcount(page); + SetPageReserved(page); + set_page_count(page, 1); page++; } diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index bb2efdd566a..db93dbc0e21 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -227,7 +227,7 @@ config SMP If you don't know what to do here, say N. config NR_CPUS - int "Maximum number of CPUs (2-32)" + int "Maximum number of CPUs (2-128)" range 2 128 depends on SMP default "32" if PPC64 diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig index 4b433411b9e..b657f7e4476 100644 --- a/arch/powerpc/configs/cell_defconfig +++ b/arch/powerpc/configs/cell_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:36:20 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:26 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -53,6 +53,7 @@ CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set @@ -151,7 +152,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set CONFIG_SCHED_SMT=y CONFIG_PROC_DEVICETREE=y diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index e7c23e3902b..3c22ccb1851 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:39:20 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:30 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -53,6 +53,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set @@ -162,7 +163,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y @@ -1203,6 +1204,7 @@ CONFIG_USB_MON=y CONFIG_USB_SERIAL=m CONFIG_USB_SERIAL_GENERIC=y # CONFIG_USB_SERIAL_AIRPRIME is not set +# CONFIG_USB_SERIAL_ANYDATA is not set CONFIG_USB_SERIAL_BELKIN=m CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m # CONFIG_USB_SERIAL_CP2101 is not set @@ -1233,7 +1235,6 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y CONFIG_USB_SERIAL_KLSI=m CONFIG_USB_SERIAL_KOBIL_SCT=m CONFIG_USB_SERIAL_MCT_U232=m -# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set CONFIG_USB_SERIAL_PL2303=m # CONFIG_USB_SERIAL_HP4X is not set CONFIG_USB_SERIAL_SAFE=m diff --git a/arch/powerpc/configs/iseries_defconfig b/arch/powerpc/configs/iseries_defconfig index 5d0866707a7..751a622fb7a 100644 --- a/arch/powerpc/configs/iseries_defconfig +++ b/arch/powerpc/configs/iseries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:38:09 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:32 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -55,6 +55,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set @@ -144,7 +145,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y diff --git a/arch/powerpc/configs/maple_defconfig b/arch/powerpc/configs/maple_defconfig index 92e42613ef0..07b6d3d2336 100644 --- a/arch/powerpc/configs/maple_defconfig +++ b/arch/powerpc/configs/maple_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:38:58 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:36 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -53,6 +53,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -149,7 +150,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y @@ -242,7 +243,6 @@ CONFIG_TCP_CONG_BIC=y # QoS and/or fair queueing # # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing @@ -794,6 +794,7 @@ CONFIG_USB_SERIAL=y # CONFIG_USB_SERIAL_CONSOLE is not set CONFIG_USB_SERIAL_GENERIC=y # CONFIG_USB_SERIAL_AIRPRIME is not set +# CONFIG_USB_SERIAL_ANYDATA is not set # CONFIG_USB_SERIAL_BELKIN is not set # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set # CONFIG_USB_SERIAL_CP2101 is not set @@ -824,7 +825,6 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y # CONFIG_USB_SERIAL_KLSI is not set # CONFIG_USB_SERIAL_KOBIL_SCT is not set # CONFIG_USB_SERIAL_MCT_U232 is not set -# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set # CONFIG_USB_SERIAL_PL2303 is not set # CONFIG_USB_SERIAL_HP4X is not set # CONFIG_USB_SERIAL_SAFE is not set diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index b5ba3bbd96f..509399eab6f 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Fri Nov 18 16:23:24 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:38 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -54,6 +54,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -176,7 +177,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPARSEMEM_EXTREME=y # CONFIG_MEMORY_HOTPLUG is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index b589b196eb3..a50ce0fa924 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:36:55 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:40 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -55,6 +55,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -163,7 +164,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPARSEMEM_EXTREME=y # CONFIG_MEMORY_HOTPLUG is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y # CONFIG_PPC_64K_PAGES is not set CONFIG_SCHED_SMT=y diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 2d22bf03484..bce33a38399 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -183,8 +183,8 @@ syscall_exit_trace_cont: ld r13,GPR13(r1) /* returning to usermode */ 1: ld r2,GPR2(r1) li r12,MSR_RI - andc r10,r10,r12 - mtmsrd r10,1 /* clear MSR.RI */ + andc r11,r10,r12 + mtmsrd r11,1 /* clear MSR.RI */ ld r1,GPR1(r1) mtlr r4 mtcr r5 diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 511af54e623..5368f9c2e6b 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -177,7 +177,7 @@ static inline int kprobe_handler(struct pt_regs *regs) save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); kcb->kprobe_saved_msr = regs->msr; - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 608fee7c7e2..e3fb78397dc 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -102,7 +102,15 @@ int boot_cpuid_phys = 0; dev_t boot_dev; u64 ppc64_pft_size; -struct ppc64_caches ppc64_caches; +/* Pick defaults since we might want to patch instructions + * before we've read this from the device tree. + */ +struct ppc64_caches ppc64_caches = { + .dline_size = 0x80, + .log_dline_size = 7, + .iline_size = 0x80, + .log_iline_size = 7 +}; EXPORT_SYMBOL_GPL(ppc64_caches); /* diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index f72ced11212..91b93d917b6 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -247,7 +247,7 @@ long ppc64_personality(unsigned long personality) #define OVERRIDE_MACHINE 0 #endif -static inline int override_machine(char *mach) +static inline int override_machine(char __user *mach) { if (OVERRIDE_MACHINE) { /* change ppc64 to ppc */ diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 706e8a63ced..a606504678b 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -514,7 +514,7 @@ void __init htab_initialize(void) #undef KB #undef MB -void __init htab_initialize_secondary(void) +void htab_initialize_secondary(void) { if (!platform_is_lpar()) mtspr(SPRN_SDR1, _SDR1); @@ -601,7 +601,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) /* Handle hugepage regions */ if (unlikely(in_hugepage_area(mm->context, ea))) { DBG_LOW(" -> huge page !\n"); - return hash_huge_page(mm, access, ea, vsid, local); + return hash_huge_page(mm, access, ea, vsid, local, trap); } /* Get PTE and page size from page tables */ diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 6bc9dbad7de..54131b877da 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -148,43 +148,63 @@ int is_aligned_hugepage_range(unsigned long addr, unsigned long len) return 0; } +struct slb_flush_info { + struct mm_struct *mm; + u16 newareas; +}; + static void flush_low_segments(void *parm) { - u16 areas = (unsigned long) parm; + struct slb_flush_info *fi = parm; unsigned long i; - asm volatile("isync" : : : "memory"); + BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_LOW_AREAS); + + if (current->active_mm != fi->mm) + return; + + /* Only need to do anything if this CPU is working in the same + * mm as the one which has changed */ - BUILD_BUG_ON((sizeof(areas)*8) != NUM_LOW_AREAS); + /* update the paca copy of the context struct */ + get_paca()->context = current->active_mm->context; + asm volatile("isync" : : : "memory"); for (i = 0; i < NUM_LOW_AREAS; i++) { - if (! (areas & (1U << i))) + if (! (fi->newareas & (1U << i))) continue; asm volatile("slbie %0" : : "r" ((i << SID_SHIFT) | SLBIE_C)); } - asm volatile("isync" : : : "memory"); } static void flush_high_segments(void *parm) { - u16 areas = (unsigned long) parm; + struct slb_flush_info *fi = parm; unsigned long i, j; - asm volatile("isync" : : : "memory"); - BUILD_BUG_ON((sizeof(areas)*8) != NUM_HIGH_AREAS); + BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_HIGH_AREAS); + if (current->active_mm != fi->mm) + return; + + /* Only need to do anything if this CPU is working in the same + * mm as the one which has changed */ + + /* update the paca copy of the context struct */ + get_paca()->context = current->active_mm->context; + + asm volatile("isync" : : : "memory"); for (i = 0; i < NUM_HIGH_AREAS; i++) { - if (! (areas & (1U << i))) + if (! (fi->newareas & (1U << i))) continue; for (j = 0; j < (1UL << (HTLB_AREA_SHIFT-SID_SHIFT)); j++) asm volatile("slbie %0" :: "r" (((i << HTLB_AREA_SHIFT) - + (j << SID_SHIFT)) | SLBIE_C)); + + (j << SID_SHIFT)) | SLBIE_C)); } - asm volatile("isync" : : : "memory"); } @@ -229,6 +249,7 @@ static int prepare_high_area_for_htlb(struct mm_struct *mm, unsigned long area) static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas) { unsigned long i; + struct slb_flush_info fi; BUILD_BUG_ON((sizeof(newareas)*8) != NUM_LOW_AREAS); BUILD_BUG_ON((sizeof(mm->context.low_htlb_areas)*8) != NUM_LOW_AREAS); @@ -244,19 +265,20 @@ static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas) mm->context.low_htlb_areas |= newareas; - /* update the paca copy of the context struct */ - get_paca()->context = mm->context; - /* the context change must make it to memory before the flush, * so that further SLB misses do the right thing. */ mb(); - on_each_cpu(flush_low_segments, (void *)(unsigned long)newareas, 0, 1); + + fi.mm = mm; + fi.newareas = newareas; + on_each_cpu(flush_low_segments, &fi, 0, 1); return 0; } static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas) { + struct slb_flush_info fi; unsigned long i; BUILD_BUG_ON((sizeof(newareas)*8) != NUM_HIGH_AREAS); @@ -280,7 +302,10 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas) /* the context change must make it to memory before the flush, * so that further SLB misses do the right thing. */ mb(); - on_each_cpu(flush_high_segments, (void *)(unsigned long)newareas, 0, 1); + + fi.mm = mm; + fi.newareas = newareas; + on_each_cpu(flush_high_segments, &fi, 0, 1); return 0; } @@ -639,8 +664,36 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, return -ENOMEM; } +/* + * Called by asm hashtable.S for doing lazy icache flush + */ +static unsigned int hash_huge_page_do_lazy_icache(unsigned long rflags, + pte_t pte, int trap) +{ + struct page *page; + int i; + + if (!pfn_valid(pte_pfn(pte))) + return rflags; + + page = pte_page(pte); + + /* page is dirty */ + if (!test_bit(PG_arch_1, &page->flags) && !PageReserved(page)) { + if (trap == 0x400) { + for (i = 0; i < (HPAGE_SIZE / PAGE_SIZE); i++) + __flush_dcache_icache(page_address(page+i)); + set_bit(PG_arch_1, &page->flags); + } else { + rflags |= HPTE_R_N; + } + } + return rflags; +} + int hash_huge_page(struct mm_struct *mm, unsigned long access, - unsigned long ea, unsigned long vsid, int local) + unsigned long ea, unsigned long vsid, int local, + unsigned long trap) { pte_t *ptep; unsigned long old_pte, new_pte; @@ -691,6 +744,11 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access, rflags = 0x2 | (!(new_pte & _PAGE_RW)); /* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */ rflags |= ((new_pte & _PAGE_EXEC) ? 0 : HPTE_R_N); + if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) + /* No CPU has hugepages but lacks no execute, so we + * don't need to worry about that case */ + rflags = hash_huge_page_do_lazy_icache(rflags, __pte(old_pte), + trap); /* Check if pte already has an hpte (case 2) */ if (unlikely(old_pte & _PAGE_HASHPTE)) { @@ -703,7 +761,8 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access, slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; slot += (old_pte & _PAGE_F_GIX) >> 12; - if (ppc_md.hpte_updatepp(slot, rflags, va, 1, local) == -1) + if (ppc_md.hpte_updatepp(slot, rflags, va, mmu_huge_psize, + local) == -1) old_pte &= ~_PAGE_HPTEFLAGS; } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index f72cf87364c..ba7a3055a9f 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -125,7 +125,7 @@ void __init get_region(unsigned int nid, unsigned long *start_pfn, /* We didnt find a matching region, return start/end as 0 */ if (*start_pfn == -1UL) - start_pfn = 0; + *start_pfn = 0; } static inline void map_cpu_to_node(int cpu, int node) diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index cfbb4e1f966..51e7951414e 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -288,11 +288,6 @@ void stab_initialize(unsigned long stab) return; } #endif /* CONFIG_PPC_ISERIES */ -#ifdef CONFIG_PPC_PSERIES - if (platform_is_lpar()) { - plpar_hcall_norets(H_SET_ASR, stabreal); - return; - } -#endif + mtspr(SPRN_ASR, stabreal); } diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 0d7fa00fcb0..f6e22da2a5d 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -1650,11 +1650,19 @@ void pmac_tweak_clock_spreading(int enable) */ if (macio->type == macio_intrepid) { - if (enable) - UN_OUT(UNI_N_CLOCK_SPREADING, 2); - else - UN_OUT(UNI_N_CLOCK_SPREADING, 0); - mdelay(40); + struct device_node *clock = + of_find_node_by_path("/uni-n@f8000000/hw-clock"); + if (clock && get_property(clock, "platform-do-clockspreading", + NULL)) { + printk(KERN_INFO "%sabling clock spreading on Intrepid" + " ASIC\n", enable ? "En" : "Dis"); + if (enable) + UN_OUT(UNI_N_CLOCK_SPREADING, 2); + else + UN_OUT(UNI_N_CLOCK_SPREADING, 0); + mdelay(40); + } + of_node_put(clock); } while (machine_is_compatible("PowerBook5,2") || @@ -1724,6 +1732,9 @@ void pmac_tweak_clock_spreading(int enable) pmac_low_i2c_close(ui2c); break; } + printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n", + enable ? "En" : "Dis"); + pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub); rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9); DBG("write result: %d,", rc); diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index c78f2b290a7..2043659ea7b 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -109,6 +109,9 @@ static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum, u64 rc; union tce_entry tce; + tcenum <<= TCE_PAGE_FACTOR; + npages <<= TCE_PAGE_FACTOR; + tce.te_word = 0; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rdwr = 1; @@ -143,10 +146,7 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, union tce_entry tce, *tcep; long l, limit; - tcenum <<= TCE_PAGE_FACTOR; - npages <<= TCE_PAGE_FACTOR; - - if (npages == 1) + if (TCE_PAGE_FACTOR == 0 && npages == 1) return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction); @@ -164,6 +164,9 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, __get_cpu_var(tce_page) = tcep; } + tcenum <<= TCE_PAGE_FACTOR; + npages <<= TCE_PAGE_FACTOR; + tce.te_word = 0; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rdwr = 1; diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index a50e5f3f396..cf1bc11b334 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -298,18 +298,6 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group, if (!(vflags & HPTE_V_BOLTED)) DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r); -#if 1 - { - int i; - for (i=0;i<8;i++) { - unsigned long w0, w1; - plpar_pte_read(0, hpte_group, &w0, &w1); - BUG_ON (HPTE_V_COMPARE(hpte_v, w0) - && (w0 & HPTE_V_VALID)); - } - } -#endif - /* Now fill in the actual HPTE */ /* Set CEC cookie to 0 */ /* Zero page = 0 */ diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 72ac18067ec..0377decc071 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -48,11 +48,6 @@ static struct hw_interrupt_type xics_pic = { .set_affinity = xics_set_affinity }; -static struct hw_interrupt_type xics_8259_pic = { - .typename = " XICS/8259", - .ack = xics_mask_and_ack_irq, -}; - /* This is used to map real irq numbers to virtual */ static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC); @@ -367,12 +362,7 @@ int xics_get_irq(struct pt_regs *regs) /* for sanity, this had better be < NR_IRQS - 16 */ if (vec == xics_irq_8259_cascade_real) { irq = i8259_irq(regs); - if (irq == -1) { - /* Spurious cascaded interrupt. Still must ack xics */ - xics_end_irq(irq_offset_up(xics_irq_8259_cascade)); - - irq = -1; - } + xics_end_irq(irq_offset_up(xics_irq_8259_cascade)); } else if (vec == XICS_IRQ_SPURIOUS) { irq = -1; } else { @@ -542,6 +532,7 @@ nextnode: xics_irq_8259_cascade_real = *ireg; xics_irq_8259_cascade = virt_irq_create_mapping(xics_irq_8259_cascade_real); + i8259_init(0, 0); of_node_put(np); } @@ -565,12 +556,7 @@ nextnode: #endif /* CONFIG_SMP */ } - xics_8259_pic.enable = i8259_pic.enable; - xics_8259_pic.disable = i8259_pic.disable; - xics_8259_pic.end = i8259_pic.end; - for (i = 0; i < 16; ++i) - get_irq_desc(i)->handler = &xics_8259_pic; - for (; i < NR_IRQS; ++i) + for (i = irq_offset_value(); i < NR_IRQS; ++i) get_irq_desc(i)->handler = &xics_pic; xics_setup_cpu(); @@ -590,7 +576,6 @@ static int __init xics_setup_i8259(void) no_action, 0, "8259 cascade", NULL)) printk(KERN_ERR "xics_setup_i8259: couldn't get 8259 " "cascade\n"); - i8259_init(0, 0); } return 0; } diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index 8fa51b0a32d..cc3f64c084c 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -767,14 +767,14 @@ config CPM2 on it (826x, 827x, 8560). config PPC_CHRP - bool " Common Hardware Reference Platform (CHRP) based machines" + bool depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI default y config PPC_PMAC - bool " Apple PowerMac based machines" + bool depends on PPC_MULTIPLATFORM select PPC_INDIRECT_PCI default y @@ -785,7 +785,7 @@ config PPC_PMAC64 default y config PPC_PREP - bool " PowerPC Reference Platform (PReP) based machines" + bool depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index 43b8fc2ca59..becbfa39755 100644 --- a/arch/ppc/kernel/smp.c +++ b/arch/ppc/kernel/smp.c @@ -301,6 +301,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* Probe platform for CPUs: always linear. */ num_cpus = smp_ops->probe(); + + if (num_cpus < 2) + smp_tb_synchronized = 1; + for (i = 0; i < num_cpus; ++i) cpu_set(i, cpu_possible_map); diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c index d8991b88dc9..5e8cc5ec6ab 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -130,10 +130,11 @@ mpc85xx_cds_show_cpuinfo(struct seq_file *m) } #ifdef CONFIG_CPM2 -static void cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs) { while((irq = cpm2_get_irq(regs)) >= 0) __do_IRQ(irq, regs); + return IRQ_HANDLED; } static struct irqaction cpm2_irqaction = { diff --git a/arch/ppc/platforms/pmac_feature.c b/arch/ppc/platforms/pmac_feature.c index 1e69b059316..6b7b3a15063 100644 --- a/arch/ppc/platforms/pmac_feature.c +++ b/arch/ppc/platforms/pmac_feature.c @@ -1606,11 +1606,19 @@ void pmac_tweak_clock_spreading(int enable) */ if (macio->type == macio_intrepid) { - if (enable) - UN_OUT(UNI_N_CLOCK_SPREADING, 2); - else - UN_OUT(UNI_N_CLOCK_SPREADING, 0); - mdelay(40); + struct device_node *clock = + of_find_node_by_path("/uni-n@f8000000/hw-clock"); + if (clock && get_property(clock, "platform-do-clockspreading", + NULL)) { + printk(KERN_INFO "%sabling clock spreading on Intrepid" + " ASIC\n", enable ? "En" : "Dis"); + if (enable) + UN_OUT(UNI_N_CLOCK_SPREADING, 2); + else + UN_OUT(UNI_N_CLOCK_SPREADING, 0); + mdelay(40); + } + of_node_put(clock); } while (machine_is_compatible("PowerBook5,2") || @@ -1680,6 +1688,8 @@ void pmac_tweak_clock_spreading(int enable) pmac_low_i2c_close(ui2c); break; } + printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n", + enable ? "En" : "Dis"); pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub); rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9); DBG("write result: %d,", rc); diff --git a/arch/ppc/syslib/ppc4xx_dma.c b/arch/ppc/syslib/ppc4xx_dma.c index f15e64285f9..05ccd598dd4 100644 --- a/arch/ppc/syslib/ppc4xx_dma.c +++ b/arch/ppc/syslib/ppc4xx_dma.c @@ -30,6 +30,7 @@ #include <asm/system.h> #include <asm/io.h> +#include <asm/dma.h> #include <asm/ppc4xx_dma.h> ppc_dma_ch_t dma_channels[MAX_PPC4xx_DMA_CHANNELS]; diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 3cfb8be3ff6..56c34e7fd4e 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -55,6 +55,10 @@ config NR_CPUS depends on SMP default "32" +config SPARC + bool + default y + # Identify this as a Sparc32 build config SPARC32 bool diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index dea48f6cff3..4cdbb2d59ed 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -34,7 +34,7 @@ libs-y += arch/sparc/prom/ arch/sparc/lib/ # Renaming is done to avoid confusing pattern matching rules in 2.5.45 (multy-) INIT_Y := $(patsubst %/, %/built-in.o, $(init-y)) CORE_Y := $(core-y) -CORE_Y += kernel/ mm/ fs/ ipc/ security/ crypto/ +CORE_Y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ CORE_Y := $(patsubst %/, %/built-in.o, $(CORE_Y)) DRIVERS_Y := $(patsubst %/, %/built-in.o, $(drivers-y)) NET_Y := $(patsubst %/, %/built-in.o, $(net-y)) diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c index 1754192c69d..5c3529ceb5d 100644 --- a/arch/sparc/kernel/ebus.c +++ b/arch/sparc/kernel/ebus.c @@ -22,7 +22,7 @@ #include <asm/oplib.h> #include <asm/bpp.h> -struct linux_ebus *ebus_chain = 0; +struct linux_ebus *ebus_chain = NULL; /* We are together with pcic.c under CONFIG_PCI. */ extern unsigned int pcic_pin_to_irq(unsigned int, char *name); @@ -46,7 +46,7 @@ static struct ebus_device_irq je1_1[] = { { "SUNW,CS4231", 0 }, { "parallel", 0 }, { "se", 2 }, - { 0, 0 } + { NULL, 0 } }; /* @@ -55,7 +55,7 @@ static struct ebus_device_irq je1_1[] = { */ static struct ebus_system_entry ebus_blacklist[] = { { "SUNW,JavaEngine1", je1_1 }, - { 0, 0 } + { NULL, NULL } }; static struct ebus_device_irq *ebus_blackp = NULL; @@ -233,7 +233,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) ebus_alloc(sizeof(struct linux_ebus_child)); child = dev->children; - child->next = 0; + child->next = NULL; child->parent = dev; child->bus = dev->bus; fill_ebus_child(node, ®s[0], child); @@ -243,7 +243,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) ebus_alloc(sizeof(struct linux_ebus_child)); child = child->next; - child->next = 0; + child->next = NULL; child->parent = dev; child->bus = dev->bus; fill_ebus_child(node, ®s[0], child); @@ -275,7 +275,7 @@ void __init ebus_init(void) } } - pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, 0); + pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL); if (!pdev) { return; } @@ -284,7 +284,7 @@ void __init ebus_init(void) ebus_chain = ebus = (struct linux_ebus *) ebus_alloc(sizeof(struct linux_ebus)); - ebus->next = 0; + ebus->next = NULL; while (ebusnd) { @@ -325,8 +325,8 @@ void __init ebus_init(void) ebus_alloc(sizeof(struct linux_ebus_device)); dev = ebus->devices; - dev->next = 0; - dev->children = 0; + dev->next = NULL; + dev->children = NULL; dev->bus = ebus; fill_ebus_device(nd, dev); @@ -335,8 +335,8 @@ void __init ebus_init(void) ebus_alloc(sizeof(struct linux_ebus_device)); dev = dev->next; - dev->next = 0; - dev->children = 0; + dev->next = NULL; + dev->children = NULL; dev->bus = ebus; fill_ebus_device(nd, dev); } @@ -353,7 +353,7 @@ void __init ebus_init(void) ebus->next = (struct linux_ebus *) ebus_alloc(sizeof(struct linux_ebus)); ebus = ebus->next; - ebus->next = 0; + ebus->next = NULL; ++num_ebus; } if (pdev) diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 2a3afca453c..313d1620ae8 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -55,7 +55,7 @@ static int led_read_proc(char *buf, char **start, off_t offset, int count, return len; } -static int led_write_proc(struct file *file, const char *buffer, +static int led_write_proc(struct file *file, const char __user *buffer, unsigned long count, void *data) { char *buf = NULL; diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index cccfc12802e..42002b742de 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -161,7 +161,7 @@ static struct pcic_sn2list pcic_known_sysnames[] = { static int pcic0_up; static struct linux_pcic pcic0; -void * __iomem pcic_regs; +void __iomem *pcic_regs; volatile int pcic_speculative; volatile int pcic_trapped; diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c index 81c894acd0d..d07ae02101a 100644 --- a/arch/sparc/kernel/sys_sunos.c +++ b/arch/sparc/kernel/sys_sunos.c @@ -894,7 +894,7 @@ asmlinkage long sunos_sysconf (int name) ret = ARG_MAX; break; case _SC_CHILD_MAX: - ret = CHILD_MAX; + ret = -1; /* no limit */ break; case _SC_CLK_TCK: ret = HZ; diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index 24814d58f9e..7dadcdb4ca4 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -49,7 +49,7 @@ DEFINE_SPINLOCK(rtc_lock); enum sparc_clock_type sp_clock_typ; DEFINE_SPINLOCK(mostek_lock); void __iomem *mstk48t02_regs = NULL; -static struct mostek48t08 *mstk48t08_regs = NULL; +static struct mostek48t08 __iomem *mstk48t08_regs = NULL; static int set_rtc_mmss(unsigned long); static int sbus_do_settimeofday(struct timespec *tv); @@ -342,7 +342,7 @@ static __inline__ void clock_probe(void) /* XXX r/o attribute is somewhere in r.flags */ r.flags = clk_reg[0].which_io; r.start = clk_reg[0].phys_addr; - mstk48t08_regs = (struct mostek48t08 *) sbus_ioremap(&r, 0, + mstk48t08_regs = sbus_ioremap(&r, 0, sizeof(struct mostek48t08), "mk48t08"); mstk48t02_regs = &mstk48t08_regs->regs; diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 38938d2e63a..346c19a949f 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -85,19 +85,9 @@ SECTIONS } _end = . ; PROVIDE (end = .); - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - .debug 0 : { *(.debug) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .line 0 : { *(.line) } /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) } + + STABS_DEBUG + + DWARF_DEBUG } diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index cb3cf0f2282..de84f8534ba 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -66,7 +66,6 @@ int atomic_add_unless(atomic_t *v, int a, int u) return ret != u; } -static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) /* Atomic operations are already serializing */ void atomic_set(atomic_t *v, int i) { diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index 1d560390e28..731f19603ca 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void) patch_kernel_fault_handler(); } -volatile unsigned long *sun4c_memerr_reg = NULL; +volatile unsigned long __iomem *sun4c_memerr_reg = NULL; void __init sun4c_probe_memerr_reg(void) { diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 3fded69b192..c4b7ad70cd7 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -5,6 +5,10 @@ mainmenu "Linux/UltraSPARC Kernel Configuration" +config SPARC + bool + default y + config SPARC64 bool default y diff --git a/arch/sparc64/Makefile b/arch/sparc64/Makefile index 43fe382da07..cad10c5b83d 100644 --- a/arch/sparc64/Makefile +++ b/arch/sparc64/Makefile @@ -17,7 +17,6 @@ CC := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow) NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi) UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; ) -INLINE_LIMIT := $(call cc-option-yn, -m64 -finline-limit=100000) export NEW_GCC @@ -49,10 +48,6 @@ else AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL) endif -ifeq ($(INLINE_LIMIT),y) - CFLAGS := $(CFLAGS) -finline-limit=100000 -endif - ifeq ($(CONFIG_MCOUNT),y) CFLAGS := $(CFLAGS) -pg endif diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c index 96bd09b098f..a97b0f0727a 100644 --- a/arch/sparc64/kernel/kprobes.c +++ b/arch/sparc64/kernel/kprobes.c @@ -138,7 +138,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) */ save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); kcb->kprobe_status = KPROBE_REENTER; prepare_singlestep(p, regs, kcb); return 1; diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c index d0592ed54ea..bfa4aa68312 100644 --- a/arch/sparc64/kernel/sys_sunos32.c +++ b/arch/sparc64/kernel/sys_sunos32.c @@ -854,7 +854,7 @@ asmlinkage s32 sunos_sysconf (int name) ret = ARG_MAX; break; case _SC_CHILD_MAX: - ret = CHILD_MAX; + ret = -1; /* no limit */ break; case _SC_CLK_TCK: ret = HZ; diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S index 2af0cf0a864..467d13a0d5c 100644 --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -90,19 +90,9 @@ SECTIONS } _end = . ; PROVIDE (end = .); - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - .debug 0 : { *(.debug) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .line 0 : { *(.line) } /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) } + + STABS_DEBUG + + DWARF_DEBUG } diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c index 302efbcba70..3ab4677395f 100644 --- a/arch/sparc64/solaris/misc.c +++ b/arch/sparc64/solaris/misc.c @@ -353,7 +353,7 @@ asmlinkage int solaris_sysconf(int id) { switch (id) { case SOLARIS_CONFIG_NGROUPS: return NGROUPS_MAX; - case SOLARIS_CONFIG_CHILD_MAX: return CHILD_MAX; + case SOLARIS_CONFIG_CHILD_MAX: return -1; /* no limit */ case SOLARIS_CONFIG_OPEN_FILES: return OPEN_MAX; case SOLARIS_CONFIG_POSIX_VER: return 199309; case SOLARIS_CONFIG_PAGESIZE: return PAGE_SIZE; diff --git a/arch/um/Kconfig b/arch/um/Kconfig index 563301fe5df..1eb21de9d1b 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -289,6 +289,8 @@ source "arch/um/Kconfig.net" source "drivers/net/Kconfig" +source "drivers/connector/Kconfig" + source "fs/Kconfig" source "security/Kconfig" diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64 index 4f118d5cc2e..38df311e75d 100644 --- a/arch/um/Makefile-x86_64 +++ b/arch/um/Makefile-x86_64 @@ -12,3 +12,7 @@ CHECKFLAGS += -m64 ELF_ARCH := i386:x86-64 ELF_FORMAT := elf64-x86-64 + +# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example. + +LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64 diff --git a/arch/um/include/sysdep-i386/stub.h b/arch/um/include/sysdep-i386/stub.h index 6ba8cbbe0d3..b492b12b4a1 100644 --- a/arch/um/include/sysdep-i386/stub.h +++ b/arch/um/include/sysdep-i386/stub.h @@ -6,8 +6,12 @@ #ifndef __SYSDEP_STUB_H #define __SYSDEP_STUB_H +#include <sys/mman.h> #include <asm/ptrace.h> #include <asm/unistd.h> +#include "stub-data.h" +#include "kern_constants.h" +#include "uml-config.h" extern void stub_segv_handler(int sig); extern void stub_clone_handler(void); @@ -76,23 +80,22 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, return ret; } -static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3, - long arg4, long arg5, long arg6) +static inline void trap_myself(void) { - long ret; - - __asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; " - "int $0x80 ; pop %%ebp" - : "=a" (ret) - : "g" (syscall), "b" (arg1), "c" (arg2), "d" (arg3), - "S" (arg4), "D" (arg5), "0" (arg6)); - - return ret; + __asm("int3"); } -static inline void trap_myself(void) +static inline void remap_stack(int fd, unsigned long offset) { - __asm("int3"); + __asm__ volatile ("movl %%eax,%%ebp ; movl %0,%%eax ; int $0x80 ;" + "movl %7, %%ebx ; movl %%eax, (%%ebx)" + : : "g" (STUB_MMAP_NR), "b" (UML_CONFIG_STUB_DATA), + "c" (UM_KERN_PAGE_SIZE), + "d" (PROT_READ | PROT_WRITE), + "S" (MAP_FIXED | MAP_SHARED), "D" (fd), + "a" (offset), + "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err) + : "memory"); } #endif diff --git a/arch/um/include/sysdep-x86_64/stub.h b/arch/um/include/sysdep-x86_64/stub.h index c41689c13dc..92e989f8176 100644 --- a/arch/um/include/sysdep-x86_64/stub.h +++ b/arch/um/include/sysdep-x86_64/stub.h @@ -6,8 +6,12 @@ #ifndef __SYSDEP_STUB_H #define __SYSDEP_STUB_H +#include <sys/mman.h> #include <asm/unistd.h> #include <sysdep/ptrace_user.h> +#include "stub-data.h" +#include "kern_constants.h" +#include "uml-config.h" extern void stub_segv_handler(int sig); extern void stub_clone_handler(void); @@ -81,23 +85,23 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, return ret; } -static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3, - long arg4, long arg5, long arg6) +static inline void trap_myself(void) { - long ret; - - __asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " - "movq %7, %%r9; " __syscall : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), - "g" (arg4), "g" (arg5), "g" (arg6) - : __syscall_clobber, "r10", "r8", "r9" ); - - return ret; + __asm("int3"); } -static inline void trap_myself(void) +static inline void remap_stack(long fd, unsigned long offset) { - __asm("int3"); + __asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; " + "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; " + "movq %%rax, (%%rbx)": + : "a" (STUB_MMAP_NR), "D" (UML_CONFIG_STUB_DATA), + "S" (UM_KERN_PAGE_SIZE), + "d" (PROT_READ | PROT_WRITE), + "g" (MAP_FIXED | MAP_SHARED), "g" (fd), + "g" (offset), + "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err) + : __syscall_clobber, "r10", "r8", "r9" ); } #endif diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h index f8760a3f43b..4567f1eeb4a 100644 --- a/arch/um/include/um_uaccess.h +++ b/arch/um/include/um_uaccess.h @@ -17,6 +17,8 @@ #include "uaccess-skas.h" #endif +#include "asm/fixmap.h" + #define __under_task_size(addr, size) \ (((unsigned long) (addr) < TASK_SIZE) && \ (((unsigned long) (addr) + (size)) < TASK_SIZE)) diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c index cb37ce9124a..47b812b3bca 100644 --- a/arch/um/kernel/skas/clone.c +++ b/arch/um/kernel/skas/clone.c @@ -18,11 +18,10 @@ * on some systems. */ -#define STUB_DATA(field) (((struct stub_data *) UML_CONFIG_STUB_DATA)->field) - void __attribute__ ((__section__ (".__syscall_stub"))) stub_clone_handler(void) { + struct stub_data *data = (struct stub_data *) UML_CONFIG_STUB_DATA; long err; err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD, @@ -35,17 +34,21 @@ stub_clone_handler(void) if(err) goto out; - err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, - (long) &STUB_DATA(timer), 0); + err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, + (long) &data->timer, 0); if(err) goto out; - err = stub_syscall6(STUB_MMAP_NR, UML_CONFIG_STUB_DATA, - UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_SHARED, STUB_DATA(fd), - STUB_DATA(offset)); + remap_stack(data->fd, data->offset); + goto done; + out: - /* save current result. Parent: pid; child: retcode of mmap */ - STUB_DATA(err) = err; + /* save current result. + * Parent: pid; + * child: retcode of mmap already saved and it jumps around this + * assignment + */ + data->err = err; + done: trap_myself(); } diff --git a/arch/um/kernel/skas/include/uaccess-skas.h b/arch/um/kernel/skas/include/uaccess-skas.h index f611f83ad4f..64516c556cd 100644 --- a/arch/um/kernel/skas/include/uaccess-skas.h +++ b/arch/um/kernel/skas/include/uaccess-skas.h @@ -7,7 +7,6 @@ #define __SKAS_UACCESS_H #include "asm/errno.h" -#include "asm/fixmap.h" /* No SKAS-specific checking. */ #define access_ok_skas(type, addr, size) 0 diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 37517d49c4a..29a9e3f4376 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -116,16 +116,16 @@ static int stop_ptraced_child(int pid, void *stack, int exitcode, if(!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) { int exit_with = WEXITSTATUS(status); if (exit_with == 2) - printk("check_ptrace : child exited with status 2. " + printf("check_ptrace : child exited with status 2. " "Serious trouble happening! Try updating your " "host skas patch!\nDisabling SYSEMU support."); - printk("check_ptrace : child exited with exitcode %d, while " + printf("check_ptrace : child exited with exitcode %d, while " "expecting %d; status 0x%x", exit_with, exitcode, status); if (mustpanic) panic("\n"); else - printk("\n"); + printf("\n"); ret = -1; } @@ -183,7 +183,7 @@ static void __init check_sysemu(void) void *stack; int pid, n, status, count=0; - printk("Checking syscall emulation patch for ptrace..."); + printf("Checking syscall emulation patch for ptrace..."); sysemu_supported = 0; pid = start_ptraced_child(&stack); @@ -207,10 +207,10 @@ static void __init check_sysemu(void) goto fail_stopped; sysemu_supported = 1; - printk("OK\n"); + printf("OK\n"); set_using_sysemu(!force_sysemu_disabled); - printk("Checking advanced syscall emulation patch for ptrace..."); + printf("Checking advanced syscall emulation patch for ptrace..."); pid = start_ptraced_child(&stack); if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0, @@ -246,7 +246,7 @@ static void __init check_sysemu(void) goto fail_stopped; sysemu_supported = 2; - printk("OK\n"); + printf("OK\n"); if ( !force_sysemu_disabled ) set_using_sysemu(sysemu_supported); @@ -255,7 +255,7 @@ static void __init check_sysemu(void) fail: stop_ptraced_child(pid, stack, 1, 0); fail_stopped: - printk("missing\n"); + printf("missing\n"); } static void __init check_ptrace(void) @@ -263,7 +263,7 @@ static void __init check_ptrace(void) void *stack; int pid, syscall, n, status; - printk("Checking that ptrace can change system call numbers..."); + printf("Checking that ptrace can change system call numbers..."); pid = start_ptraced_child(&stack); if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0) @@ -292,7 +292,7 @@ static void __init check_ptrace(void) } } stop_ptraced_child(pid, stack, 0, 1); - printk("OK\n"); + printf("OK\n"); check_sysemu(); } @@ -472,6 +472,8 @@ int can_do_skas(void) int have_devanon = 0; +/* Runs on boot kernel stack - already safe to use printk. */ + void check_devanon(void) { int fd; diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c index 56d3f870926..8da6ab31152 100644 --- a/arch/um/os-Linux/user_syms.c +++ b/arch/um/os-Linux/user_syms.c @@ -34,6 +34,11 @@ EXPORT_SYMBOL(strstr); int sym(void); \ EXPORT_SYMBOL(sym); +extern void readdir64(void) __attribute__((weak)); +EXPORT_SYMBOL(readdir64); +extern void truncate64(void) __attribute__((weak)); +EXPORT_SYMBOL(truncate64); + #ifdef SUBARCH_i386 EXPORT_SYMBOL(vsyscall_ehdr); EXPORT_SYMBOL(vsyscall_end); diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules index b3fbf125709..2e41cabd3d9 100644 --- a/arch/um/scripts/Makefile.rules +++ b/arch/um/scripts/Makefile.rules @@ -21,11 +21,6 @@ define unprofile endef -# The stubs and unmap.o can't try to call mcount or update basic block data -define unprofile - $(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1))) -endef - # cmd_make_link checks to see if the $(foo-dir) variable starts with a /. If # so, it's considered to be a path relative to $(srcdir) rather than # $(srcdir)/arch/$(SUBARCH). This is because x86_64 wants to get ldt.c from diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile index 150059dbee1..f5fd5b0156d 100644 --- a/arch/um/sys-i386/Makefile +++ b/arch/um/sys-i386/Makefile @@ -1,6 +1,8 @@ -obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ - ptrace_user.o semaphore.o signal.o sigcontext.o stub.o stub_segv.o \ - syscalls.o sysrq.o sys_call_table.o +obj-y := bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ + ptrace_user.o semaphore.o signal.o sigcontext.o syscalls.o sysrq.o \ + sys_call_table.o + +obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o obj-$(CONFIG_HIGHMEM) += highmem.o obj-$(CONFIG_MODULES) += module.o diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile index 00b2025427d..a351091fbd9 100644 --- a/arch/um/sys-x86_64/Makefile +++ b/arch/um/sys-x86_64/Makefile @@ -6,8 +6,9 @@ #XXX: why into lib-y? lib-y = bitops.o bugs.o csum-partial.o delay.o fault.o ldt.o mem.o memcpy.o \ - ptrace.o ptrace_user.o sigcontext.o signal.o stub.o \ - stub_segv.o syscalls.o syscall_table.o sysrq.o thunk.o + ptrace.o ptrace_user.o sigcontext.o signal.o syscalls.o \ + syscall_table.o sysrq.o thunk.o +lib-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o obj-y := ksyms.o obj-$(CONFIG_MODULES) += module.o um_module.o diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c index 830feb272ec..2b760d0d9ce 100644 --- a/arch/x86_64/ia32/ia32_binfmt.c +++ b/arch/x86_64/ia32/ia32_binfmt.c @@ -217,8 +217,7 @@ elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpr if (!tsk_used_math(tsk)) return 0; if (!regs) - regs = (struct pt_regs *)tsk->thread.rsp0; - --regs; + regs = ((struct pt_regs *)tsk->thread.rsp0) - 1; if (tsk == current) unlazy_fpu(tsk); set_fs(KERNEL_DS); diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index dddeb678b44..afe11f4fbd1 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -329,7 +329,7 @@ int __kprobes kprobe_handler(struct pt_regs *regs) */ save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 683c33f7b96..ecbd7b83acc 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -1181,7 +1181,7 @@ int __cpu_disable(void) if (cpu == 0) return -EBUSY; - disable_APIC_timer(); + clear_local_APIC(); /* * HACK: diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index fdaddc4e528..74102796e5c 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -59,7 +59,7 @@ static int notsc __initdata = 0; unsigned int cpu_khz; /* TSC clocks / usec, not used here */ static unsigned long hpet_period; /* fsecs / HPET clock */ unsigned long hpet_tick; /* HPET clocks / interrupt */ -static int hpet_use_timer; +static int hpet_use_timer; /* Use counter of hpet for time keeping, otherwise PIT */ unsigned long vxtime_hz = PIT_TICK_RATE; int report_lost_ticks; /* command line option */ unsigned long long monotonic_base; @@ -908,12 +908,14 @@ void __init time_init(void) if (!hpet_init()) vxtime_hz = (1000000000000000L + hpet_period / 2) / hpet_period; + else + vxtime.hpet_address = 0; if (hpet_use_timer) { cpu_khz = hpet_calibrate_tsc(); timename = "HPET"; #ifdef CONFIG_X86_PM_TIMER - } else if (pmtmr_ioport) { + } else if (pmtmr_ioport && !vxtime.hpet_address) { vxtime_hz = PM_TIMER_FREQUENCY; timename = "PM"; pit_init(); diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 286f6a624c3..c016dfe8478 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -348,7 +348,7 @@ size_zones(unsigned long *z, unsigned long *h, } /* Compute holes */ - w = 0; + w = start_pfn; for (i = 0; i < MAX_NR_ZONES; i++) { unsigned long s = w; w += z[i]; diff --git a/arch/x86_64/mm/ioremap.c b/arch/x86_64/mm/ioremap.c index ecf7acb5db9..ae207064201 100644 --- a/arch/x86_64/mm/ioremap.c +++ b/arch/x86_64/mm/ioremap.c @@ -247,9 +247,15 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size) return __ioremap(phys_addr, size, _PAGE_PCD); } +/** + * iounmap - Free a IO remapping + * @addr: virtual address from ioremap_* + * + * Caller must ensure there is only one unmapping for the same pointer. + */ void iounmap(volatile void __iomem *addr) { - struct vm_struct *p; + struct vm_struct *p, *o; if (addr <= high_memory) return; @@ -257,12 +263,31 @@ void iounmap(volatile void __iomem *addr) addr < phys_to_virt(ISA_END_ADDRESS)) return; - write_lock(&vmlist_lock); - p = __remove_vm_area((void *)((unsigned long)addr & PAGE_MASK)); - if (!p) + addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr); + /* Use the vm area unlocked, assuming the caller + ensures there isn't another iounmap for the same address + in parallel. Reuse of the virtual address is prevented by + leaving it in the global lists until we're done with it. + cpa takes care of the direct mappings. */ + read_lock(&vmlist_lock); + for (p = vmlist; p; p = p->next) { + if (p->addr == addr) + break; + } + read_unlock(&vmlist_lock); + + if (!p) { printk("iounmap: bad address %p\n", addr); - else if (p->flags >> 20) + dump_stack(); + return; + } + + /* Reset the direct mapping. Can block */ + if (p->flags >> 20) ioremap_change_attr(p->phys_addr, p->size, 0); - write_unlock(&vmlist_lock); + + /* Finally remove it */ + o = remove_vm_area((void *)addr); + BUG_ON(p != o || o == NULL); kfree(p); } diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c index a828a01739c..15b67d2760c 100644 --- a/arch/x86_64/mm/numa.c +++ b/arch/x86_64/mm/numa.c @@ -53,6 +53,8 @@ static int __init populate_memnodemap( int res = -1; unsigned long addr, end; + if (shift >= 64) + return -1; memset(memnodemap, 0xff, sizeof(memnodemap)); for (i = 0; i < numnodes; i++) { addr = nodes[i].start; @@ -65,7 +67,7 @@ static int __init populate_memnodemap( if (memnodemap[addr >> shift] != 0xff) return -1; memnodemap[addr >> shift] = i; - addr += (1 << shift); + addr += (1UL << shift); } while (addr < end); res = 1; } diff --git a/arch/x86_64/pci/Makefile b/arch/x86_64/pci/Makefile index bb34e5ef916..a8f75a2a0f6 100644 --- a/arch/x86_64/pci/Makefile +++ b/arch/x86_64/pci/Makefile @@ -11,7 +11,7 @@ obj-y += fixup.o obj-$(CONFIG_ACPI) += acpi.o obj-y += legacy.o irq.o common.o # mmconfig has a 64bit special -obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o +obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o direct.o obj-$(CONFIG_NUMA) += k8-bus.o diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c index a0838c4a94e..f16c0d57c55 100644 --- a/arch/x86_64/pci/mmconfig.c +++ b/arch/x86_64/pci/mmconfig.c @@ -8,18 +8,21 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/acpi.h> +#include <linux/bitmap.h> #include "pci.h" #define MMCONFIG_APER_SIZE (256*1024*1024) +static DECLARE_BITMAP(fallback_slots, 32); + /* Static virtual mapping of the MMCONFIG aperture */ struct mmcfg_virt { struct acpi_table_mcfg_config *cfg; - char *virt; + char __iomem *virt; }; static struct mmcfg_virt *pci_mmcfg_virt; -static char *get_virt(unsigned int seg, int bus) +static char __iomem *get_virt(unsigned int seg, unsigned bus) { int cfg_num = -1; struct acpi_table_mcfg_config *cfg; @@ -27,10 +30,9 @@ static char *get_virt(unsigned int seg, int bus) while (1) { ++cfg_num; if (cfg_num >= pci_mmcfg_config_num) { - /* something bad is going on, no cfg table is found. */ - /* so we fall back to the old way we used to do this */ - /* and just rely on the first entry to be correct. */ - return pci_mmcfg_virt[0].virt; + /* Not found - fall back to type 1. This happens + e.g. on the internal devices of a K8 northbridge. */ + return NULL; } cfg = pci_mmcfg_virt[cfg_num].cfg; if (cfg->pci_segment_group_number != seg) @@ -41,20 +43,30 @@ static char *get_virt(unsigned int seg, int bus) } } -static inline char *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) +static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) { - - return get_virt(seg, bus) + ((bus << 20) | (devfn << 12)); + char __iomem *addr; + if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), &fallback_slots)) + return NULL; + addr = get_virt(seg, bus); + if (!addr) + return NULL; + return addr + ((bus << 20) | (devfn << 12)); } static int pci_mmcfg_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { - char *addr = pci_dev_base(seg, bus, devfn); + char __iomem *addr; + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ if (unlikely(!value || (bus > 255) || (devfn > 255) || (reg > 4095))) return -EINVAL; + addr = pci_dev_base(seg, bus, devfn); + if (!addr) + return pci_conf1_read(seg,bus,devfn,reg,len,value); + switch (len) { case 1: *value = readb(addr + reg); @@ -73,11 +85,16 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus, static int pci_mmcfg_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { - char *addr = pci_dev_base(seg, bus, devfn); + char __iomem *addr; + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) return -EINVAL; + addr = pci_dev_base(seg, bus, devfn); + if (!addr) + return pci_conf1_write(seg,bus,devfn,reg,len,value); + switch (len) { case 1: writeb(value, addr + reg); @@ -98,6 +115,30 @@ static struct pci_raw_ops pci_mmcfg = { .write = pci_mmcfg_write, }; +/* K8 systems have some devices (typically in the builtin northbridge) + that are only accessible using type1 + Normally this can be expressed in the MCFG by not listing them + and assigning suitable _SEGs, but this isn't implemented in some BIOS. + Instead try to discover all devices on bus 0 that are unreachable using MM + and fallback for them. + We only do this for bus 0/seg 0 */ +static __init void unreachable_devices(void) +{ + int i; + for (i = 0; i < 32; i++) { + u32 val1; + char __iomem *addr; + + pci_conf1_read(0, 0, PCI_DEVFN(i,0), 0, 4, &val1); + if (val1 == 0xffffffff) + continue; + addr = pci_dev_base(0, 0, PCI_DEVFN(i, 0)); + if (addr == NULL|| readl(addr) != val1) { + set_bit(i, &fallback_slots); + } + } +} + static int __init pci_mmcfg_init(void) { int i; @@ -128,6 +169,8 @@ static int __init pci_mmcfg_init(void) printk(KERN_INFO "PCI: Using MMCONFIG at %x\n", pci_mmcfg_config[i].base_address); } + unreachable_devices(); + raw_pci_ops = &pci_mmcfg; pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; |