diff options
Diffstat (limited to 'arch')
54 files changed, 296 insertions, 190 deletions
diff --git a/arch/frv/kernel/dma.c b/arch/frv/kernel/dma.c index f5de6cf7df4..156184e17e5 100644 --- a/arch/frv/kernel/dma.c +++ b/arch/frv/kernel/dma.c @@ -121,15 +121,14 @@ unsigned long frv_dma_inprogress; /* * DMA irq handler - determine channel involved, grab status and call real handler */ -static irqreturn_t dma_irq_handler(int irq, void *_channel, struct pt_regs *regs) +static irqreturn_t dma_irq_handler(int irq, void *_channel) { struct frv_dma_channel *channel = _channel; frv_clear_dma_inprogress(channel - frv_dma_channels); return channel->handler(channel - frv_dma_channels, __get_DMAC(channel->ioaddr, CSTR), - channel->data, - regs); + channel->data); } /* end dma_irq_handler() */ diff --git a/arch/frv/kernel/irq-mb93091.c b/arch/frv/kernel/irq-mb93091.c index 369bc0a7443..ad753c1e9b8 100644 --- a/arch/frv/kernel/irq-mb93091.c +++ b/arch/frv/kernel/irq-mb93091.c @@ -80,7 +80,7 @@ static struct irq_chip frv_fpga_pic = { /* * FPGA PIC interrupt handler */ -static irqreturn_t fpga_interrupt(int irq, void *_mask, struct pt_regs *regs) +static irqreturn_t fpga_interrupt(int irq, void *_mask) { uint16_t imr, mask = (unsigned long) _mask; @@ -95,7 +95,7 @@ static irqreturn_t fpga_interrupt(int irq, void *_mask, struct pt_regs *regs) irq = 31 - irq; mask &= ~(1 << irq); - generic_handle_irq(IRQ_BASE_FPGA + irq, regs); + generic_handle_irq(IRQ_BASE_FPGA + irq); } return IRQ_HANDLED; diff --git a/arch/frv/kernel/irq-mb93093.c b/arch/frv/kernel/irq-mb93093.c index a43a2215895..e0983f6926e 100644 --- a/arch/frv/kernel/irq-mb93093.c +++ b/arch/frv/kernel/irq-mb93093.c @@ -79,7 +79,7 @@ static struct irq_chip frv_fpga_pic = { /* * FPGA PIC interrupt handler */ -static irqreturn_t fpga_interrupt(int irq, void *_mask, struct pt_regs *regs) +static irqreturn_t fpga_interrupt(int irq, void *_mask) { uint16_t imr, mask = (unsigned long) _mask; @@ -94,7 +94,7 @@ static irqreturn_t fpga_interrupt(int irq, void *_mask, struct pt_regs *regs) irq = 31 - irq; mask &= ~(1 << irq); - generic_irq_handle(IRQ_BASE_FPGA + irq, regs); + generic_irq_handle(IRQ_BASE_FPGA + irq); } return IRQ_HANDLED; diff --git a/arch/frv/kernel/irq-mb93493.c b/arch/frv/kernel/irq-mb93493.c index 39c0188a349..c157eeff871 100644 --- a/arch/frv/kernel/irq-mb93493.c +++ b/arch/frv/kernel/irq-mb93493.c @@ -90,7 +90,7 @@ static struct irq_chip frv_mb93493_pic = { /* * MB93493 PIC interrupt handler */ -static irqreturn_t mb93493_interrupt(int irq, void *_piqsr, struct pt_regs *regs) +static irqreturn_t mb93493_interrupt(int irq, void *_piqsr) { volatile void *piqsr = _piqsr; uint32_t iqsr; @@ -106,7 +106,7 @@ static irqreturn_t mb93493_interrupt(int irq, void *_piqsr, struct pt_regs *regs irq = 31 - irq; iqsr &= ~(1 << irq); - generic_handle_irq(IRQ_BASE_MB93493 + irq, regs); + generic_handle_irq(IRQ_BASE_MB93493 + irq); } return IRQ_HANDLED; diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c index 5ac041c7c0a..87f360a4ea2 100644 --- a/arch/frv/kernel/irq.c +++ b/arch/frv/kernel/irq.c @@ -143,7 +143,7 @@ static struct irq_chip frv_cpu_pic = { asmlinkage void do_IRQ(void) { irq_enter(); - generic_handle_irq(__get_IRL(), __frame); + generic_handle_irq(__get_IRL()); irq_exit(); } diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c index 44a9aebc4f5..ed588d73d7d 100644 --- a/arch/frv/kernel/time.c +++ b/arch/frv/kernel/time.c @@ -40,7 +40,7 @@ unsigned long __nongprelbss __dsu_clock_speed_HZ; unsigned long __nongprelbss __serial_clock_speed_HZ; unsigned long __delay_loops_MHz; -static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs *regs); +static irqreturn_t timer_interrupt(int irq, void *dummy); static struct irqaction timer_irq = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL @@ -55,7 +55,7 @@ static inline int set_rtc_mmss(unsigned long nowtime) * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ -static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs) +static irqreturn_t timer_interrupt(int irq, void *dummy) { /* last time the cmos clock got updated */ static long last_rtc_update = 0; @@ -70,8 +70,8 @@ static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs) write_seqlock(&xtime_lock); do_timer(1); - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); /* * If we have an externally synchronized Linux clock, then update diff --git a/arch/i386/defconfig b/arch/i386/defconfig index ee2d79bd8af..60c0c02574f 100644 --- a/arch/i386/defconfig +++ b/arch/i386/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.18-git7 -# Wed Sep 27 21:53:10 2006 +# Linux kernel version: 2.6.19-rc1 +# Thu Oct 5 13:04:53 2006 # CONFIG_X86_32=y CONFIG_GENERIC_TIME=y @@ -31,9 +31,11 @@ CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y @@ -41,9 +43,10 @@ CONFIG_IKCONFIG_PROC=y # CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y -CONFIG_SYSCTL=y +# CONFIG_SYSCTL_SYSCALL is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set @@ -76,6 +79,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +CONFIG_BLOCK=y CONFIG_LBD=y # CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_LSF is not set @@ -163,6 +167,7 @@ CONFIG_VM86=y # CONFIG_I8K is not set # CONFIG_X86_REBOOTFIXUPS is not set CONFIG_MICROCODE=y +CONFIG_MICROCODE_OLD_INTERFACE=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y @@ -177,6 +182,7 @@ CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_HIGHMEM=y +CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set @@ -295,6 +301,7 @@ CONFIG_PCI_MMCONFIG=y CONFIG_PCI_MSI=y # CONFIG_PCI_MULTITHREAD_PROBE is not set # CONFIG_PCI_DEBUG is not set +# CONFIG_HT_IRQ is not set CONFIG_ISA_DMA_API=y # CONFIG_ISA is not set # CONFIG_MCA is not set @@ -354,6 +361,7 @@ CONFIG_IP_PNP_DHCP=y # CONFIG_INET_TUNNEL is not set CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y +# CONFIG_INET_XFRM_MODE_BEET is not set CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set @@ -370,6 +378,7 @@ CONFIG_IPV6=y # CONFIG_INET6_TUNNEL is not set CONFIG_INET6_XFRM_MODE_TRANSPORT=y CONFIG_INET6_XFRM_MODE_TUNNEL=y +# CONFIG_INET6_XFRM_MODE_BEET is not set # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set # CONFIG_IPV6_TUNNEL is not set # CONFIG_IPV6_SUBTREES is not set @@ -519,6 +528,7 @@ CONFIG_BLK_DEV_AMD74XX=y # CONFIG_BLK_DEV_CS5535 is not set # CONFIG_BLK_DEV_HPT34X is not set # CONFIG_BLK_DEV_HPT366 is not set +# CONFIG_BLK_DEV_JMICRON is not set # CONFIG_BLK_DEV_SC1200 is not set CONFIG_BLK_DEV_PIIX=y # CONFIG_BLK_DEV_IT821X is not set @@ -615,6 +625,7 @@ CONFIG_AIC79XX_DEBUG_MASK=0 # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_1280 is not set # CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set # CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set @@ -658,7 +669,6 @@ CONFIG_SATA_INTEL_COMBINED=y # CONFIG_PATA_HPT3X3 is not set # CONFIG_PATA_IT821X is not set # CONFIG_PATA_JMICRON is not set -# CONFIG_PATA_LEGACY is not set # CONFIG_PATA_TRIFLEX is not set # CONFIG_PATA_MPIIX is not set # CONFIG_PATA_OLDPIIX is not set @@ -667,7 +677,6 @@ CONFIG_SATA_INTEL_COMBINED=y # CONFIG_PATA_OPTI is not set # CONFIG_PATA_OPTIDMA is not set # CONFIG_PATA_PDC_OLD is not set -# CONFIG_PATA_QDI is not set # CONFIG_PATA_RADISYS is not set # CONFIG_PATA_RZ1000 is not set # CONFIG_PATA_SC1200 is not set @@ -684,6 +693,7 @@ CONFIG_SATA_INTEL_COMBINED=y CONFIG_MD=y # CONFIG_BLK_DEV_MD is not set CONFIG_BLK_DEV_DM=y +# CONFIG_DM_DEBUG is not set # CONFIG_DM_CRYPT is not set # CONFIG_DM_SNAPSHOT is not set # CONFIG_DM_MIRROR is not set @@ -874,6 +884,7 @@ CONFIG_NET_POLL_CONTROLLER=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -896,6 +907,7 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y # CONFIG_MOUSE_SERIAL is not set @@ -1023,12 +1035,12 @@ CONFIG_HANGCHECK_TIMER=y # Misc devices # # CONFIG_IBM_ASM is not set +# CONFIG_TIFM_CORE is not set # # Multimedia devices # # CONFIG_VIDEO_DEV is not set -CONFIG_VIDEO_V4L2=y # # Digital Video Broadcasting Devices @@ -1134,6 +1146,7 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set # CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_KARMA is not set # CONFIG_USB_LIBUSUAL is not set # @@ -1156,6 +1169,7 @@ CONFIG_USB_HIDINPUT=y # CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set +# CONFIG_USB_TRANCEVIBRATOR is not set # # USB Imaging devices @@ -1187,6 +1201,7 @@ CONFIG_USB_MON=y # # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set # CONFIG_USB_AUERSWALD is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set @@ -1194,9 +1209,9 @@ CONFIG_USB_MON=y # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGETKIT is not set -# CONFIG_USB_PHIDGETSERVO is not set +# CONFIG_USB_PHIDGET is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set @@ -1281,6 +1296,7 @@ CONFIG_REISERFS_FS_POSIX_ACL=y # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set @@ -1315,8 +1331,10 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y @@ -1366,6 +1384,7 @@ CONFIG_SUNRPC=y # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set # CONFIG_9P_FS is not set +CONFIG_GENERIC_ACL=y # # Partition Types @@ -1418,6 +1437,10 @@ CONFIG_NLS_ISO8859_15=y CONFIG_NLS_UTF8=y # +# Distributed Lock Manager +# + +# # Instrumentation Support # CONFIG_PROFILING=y @@ -1452,11 +1475,13 @@ CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_FS is not set # CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set CONFIG_UNWIND_INFO=y CONFIG_STACK_UNWIND=y # CONFIG_FORCED_INLINING is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_LKDTM is not set CONFIG_EARLY_PRINTK=y CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_DEBUG_STACK_USAGE is not set diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 90faae5c5d3..7d500da0e63 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -1193,11 +1193,11 @@ EXPORT_SYMBOL(switch_ipi_to_APIC_timer); * value into /proc/profile. */ -inline void smp_local_timer_interrupt(struct pt_regs * regs) +inline void smp_local_timer_interrupt(void) { - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); #ifdef CONFIG_SMP - update_process_times(user_mode_vm(regs)); + update_process_times(user_mode_vm(irq_regs)); #endif /* @@ -1223,6 +1223,7 @@ inline void smp_local_timer_interrupt(struct pt_regs * regs) fastcall void smp_apic_timer_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); int cpu = smp_processor_id(); /* @@ -1241,12 +1242,13 @@ fastcall void smp_apic_timer_interrupt(struct pt_regs *regs) * interrupt lock, which is the WrongThing (tm) to do. */ irq_enter(); - smp_local_timer_interrupt(regs); + smp_local_timer_interrupt(); irq_exit(); + set_irq_regs(old_regs); } #ifndef CONFIG_SMP -static void up_apic_timer_interrupt_call(struct pt_regs *regs) +static void up_apic_timer_interrupt_call(void) { int cpu = smp_processor_id(); @@ -1255,11 +1257,11 @@ static void up_apic_timer_interrupt_call(struct pt_regs *regs) */ per_cpu(irq_stat, cpu).apic_timer_irqs++; - smp_local_timer_interrupt(regs); + smp_local_timer_interrupt(); } #endif -void smp_send_timer_broadcast_ipi(struct pt_regs *regs) +void smp_send_timer_broadcast_ipi(void) { cpumask_t mask; @@ -1272,7 +1274,7 @@ void smp_send_timer_broadcast_ipi(struct pt_regs *regs) * We can directly call the apic timer interrupt handler * in UP case. Minus all irq related functions */ - up_apic_timer_interrupt_call(regs); + up_apic_timer_interrupt_call(); #endif } } diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c index d07ed31f11e..d53eafb6daa 100644 --- a/arch/i386/kernel/i8259.c +++ b/arch/i386/kernel/i8259.c @@ -335,13 +335,13 @@ void init_8259A(int auto_eoi) */ -static irqreturn_t math_error_irq(int cpl, void *dev_id, struct pt_regs *regs) +static irqreturn_t math_error_irq(int cpl, void *dev_id) { extern void math_error(void __user *); outb(0,0xF0); if (ignore_fpu_irq || !boot_cpu_data.hard_math) return IRQ_NONE; - math_error((void __user *)regs->eip); + math_error((void __user *)get_irq_regs()->eip); return IRQ_HANDLED; } diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index 3dd2e180151..8cfc7dbec7b 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -53,6 +53,7 @@ static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly; */ fastcall unsigned int do_IRQ(struct pt_regs *regs) { + struct pt_regs *old_regs; /* high bit used in ret_from_ code */ int irq = ~regs->orig_eax; struct irq_desc *desc = irq_desc + irq; @@ -67,6 +68,7 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs) BUG(); } + old_regs = set_irq_regs(regs); irq_enter(); #ifdef CONFIG_DEBUG_STACKOVERFLOW /* Debugging check for stack overflow: is there less than 1KB free? */ @@ -95,7 +97,7 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs) * current stack (which is the irq stack already after all) */ if (curctx != irqctx) { - int arg1, arg2, arg3, ebx; + int arg1, arg2, ebx; /* build the stack frame on the IRQ stack */ isp = (u32*) ((char*)irqctx + sizeof(*irqctx)); @@ -114,17 +116,17 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs) " xchgl %%ebx,%%esp \n" " call *%%edi \n" " movl %%ebx,%%esp \n" - : "=a" (arg1), "=d" (arg2), "=c" (arg3), "=b" (ebx) - : "0" (irq), "1" (desc), "2" (regs), "3" (isp), + : "=a" (arg1), "=d" (arg2), "=b" (ebx) + : "0" (irq), "1" (desc), "2" (isp), "D" (desc->handle_irq) : "memory", "cc" ); } else #endif - desc->handle_irq(irq, desc, regs); + desc->handle_irq(irq, desc); irq_exit(); - + set_irq_regs(old_regs); return 1; } diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index dad02a960e0..b0a07801d9d 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -328,6 +328,7 @@ extern void kernel_thread_helper(void); int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) { struct pt_regs regs; + int err; memset(®s, 0, sizeof(regs)); @@ -342,7 +343,10 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) regs.eflags = X86_EFLAGS_IF | X86_EFLAGS_SF | X86_EFLAGS_PF | 0x2; /* Ok, create the new process.. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); + err = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); + if (err == 0) /* terminate kernel stack */ + task_pt_regs(current)->eip = 0; + return err; } EXPORT_SYMBOL(kernel_thread); diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c index 1b080ab8a49..31e5c6573aa 100644 --- a/arch/i386/kernel/smp.c +++ b/arch/i386/kernel/smp.c @@ -321,6 +321,7 @@ static inline void leave_mm (unsigned long cpu) fastcall void smp_invalidate_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); unsigned long cpu; cpu = get_cpu(); @@ -351,6 +352,7 @@ fastcall void smp_invalidate_interrupt(struct pt_regs *regs) smp_mb__after_clear_bit(); out: put_cpu_no_resched(); + set_irq_regs(old_regs); } static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, @@ -605,11 +607,14 @@ void smp_send_stop(void) */ fastcall void smp_reschedule_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); ack_APIC_irq(); + set_irq_regs(old_regs); } fastcall void smp_call_function_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); void (*func) (void *info) = call_data->func; void *info = call_data->info; int wait = call_data->wait; @@ -632,6 +637,7 @@ fastcall void smp_call_function_interrupt(struct pt_regs *regs) mb(); atomic_inc(&call_data->finished); } + set_irq_regs(old_regs); } /* diff --git a/arch/i386/kernel/time.c b/arch/i386/kernel/time.c index 58a2d558241..3f221f5eb47 100644 --- a/arch/i386/kernel/time.c +++ b/arch/i386/kernel/time.c @@ -161,7 +161,7 @@ EXPORT_SYMBOL(profile_pc); * Time Stamp Counter value at the time of the timer interrupt, so that * we later on can estimate the time of day more exactly. */ -irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +irqreturn_t timer_interrupt(int irq, void *dev_id) { /* * Here we are in the timer irq handler. We just have irqs locally @@ -188,7 +188,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) } #endif - do_timer_interrupt_hook(regs); + do_timer_interrupt_hook(); if (MCA_bus) { @@ -209,7 +209,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) #ifdef CONFIG_X86_LOCAL_APIC if (using_apic_timer) - smp_send_timer_broadcast_ipi(regs); + smp_send_timer_broadcast_ipi(); #endif return IRQ_HANDLED; diff --git a/arch/i386/kernel/time_hpet.c b/arch/i386/kernel/time_hpet.c index 6bf14a4e995..1a2a979cf6a 100644 --- a/arch/i386/kernel/time_hpet.c +++ b/arch/i386/kernel/time_hpet.c @@ -441,7 +441,7 @@ int hpet_rtc_dropped_irq(void) return 1; } -irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs) +irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) { struct rtc_time curr_time; unsigned long rtc_int_flag = 0; @@ -480,7 +480,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs) } if (call_rtc_interrupt) { rtc_int_flag |= (RTC_IRQF | (RTC_NUM_INTS << 8)); - rtc_interrupt(rtc_int_flag, dev_id, regs); + rtc_interrupt(rtc_int_flag, dev_id); } return IRQ_HANDLED; } diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c index 8355d8d87d1..cbcd61d6120 100644 --- a/arch/i386/kernel/vm86.c +++ b/arch/i386/kernel/vm86.c @@ -714,7 +714,7 @@ static int irqbits; | (1 << SIGUSR1) | (1 << SIGUSR2) | (1 << SIGIO) | (1 << SIGURG) \ | (1 << SIGUNUSED) ) -static irqreturn_t irq_handler(int intno, void *dev_id, struct pt_regs * regs) +static irqreturn_t irq_handler(int intno, void *dev_id) { int irq_bit; unsigned long flags; diff --git a/arch/i386/lib/semaphore.S b/arch/i386/lib/semaphore.S index ef6ad9e1a60..c01eb39c0b4 100644 --- a/arch/i386/lib/semaphore.S +++ b/arch/i386/lib/semaphore.S @@ -152,6 +152,8 @@ ENTRY(__read_lock_failed) #endif +#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM + /* Fix up special calling conventions */ ENTRY(call_rwsem_down_read_failed) CFI_STARTPROC @@ -214,3 +216,4 @@ ENTRY(call_rwsem_downgrade_wake) CFI_ENDPROC END(call_rwsem_downgrade_wake) +#endif diff --git a/arch/i386/mach-visws/visws_apic.c b/arch/i386/mach-visws/visws_apic.c index 5929f884d79..07097ed4889 100644 --- a/arch/i386/mach-visws/visws_apic.c +++ b/arch/i386/mach-visws/visws_apic.c @@ -191,7 +191,7 @@ static struct hw_interrupt_type piix4_virtual_irq_type = { * enable_irq gets the right irq. This 'master' irq is never directly * manipulated by any driver. */ -static irqreturn_t piix4_master_intr(int irq, void *dev_id, struct pt_regs * regs) +static irqreturn_t piix4_master_intr(int irq, void *dev_id) { int realirq; irq_desc_t *desc; @@ -244,7 +244,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id, struct pt_regs * reg kstat_cpu(smp_processor_id()).irqs[realirq]++; if (likely(desc->action != NULL)) - handle_IRQ_event(realirq, regs, desc->action); + handle_IRQ_event(realirq, desc->action); if (!(desc->status & IRQ_DISABLED)) enable_8259A_irq(realirq); diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c index 80b7f2fc4f4..c639d30d8bd 100644 --- a/arch/i386/mach-voyager/voyager_basic.c +++ b/arch/i386/mach-voyager/voyager_basic.c @@ -87,7 +87,7 @@ voyager_detect(struct voyager_bios_info *bios) } void -voyager_system_interrupt(int cpl, void *dev_id, struct pt_regs *regs) +voyager_system_interrupt(int cpl, void *dev_id) { printk("Voyager: detected system interrupt\n"); } diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c index 856c73fcb7e..d42422fc4af 100644 --- a/arch/i386/mach-voyager/voyager_smp.c +++ b/arch/i386/mach-voyager/voyager_smp.c @@ -126,10 +126,10 @@ send_QIC_CPI(__u32 cpuset, __u8 cpi) } static inline void -wrapper_smp_local_timer_interrupt(struct pt_regs *regs) +wrapper_smp_local_timer_interrupt(void) { irq_enter(); - smp_local_timer_interrupt(regs); + smp_local_timer_interrupt(); irq_exit(); } @@ -786,7 +786,7 @@ fastcall void smp_vic_sys_interrupt(struct pt_regs *regs) { ack_CPI(VIC_SYS_INT); - printk("Voyager SYSTEM INTERRUPT\n"); + printk("Voyager SYSTEM INTERRUPT\n"); } /* Handle a voyager CMN_INT; These interrupts occur either because of @@ -1135,7 +1135,9 @@ EXPORT_SYMBOL(smp_call_function); fastcall void smp_apic_timer_interrupt(struct pt_regs *regs) { - wrapper_smp_local_timer_interrupt(regs); + struct pt_regs *old_regs = set_irq_regs(regs); + wrapper_smp_local_timer_interrupt(); + set_irq_regs(old_regs); } /* All of the QUAD interrupt GATES */ @@ -1143,7 +1145,9 @@ fastcall void smp_qic_timer_interrupt(struct pt_regs *regs) { ack_QIC_CPI(QIC_TIMER_CPI); - wrapper_smp_local_timer_interrupt(regs); + struct pt_regs *old_regs = set_irq_regs(regs); + wrapper_smp_local_timer_interrupt(void); + set_irq_regs(old_regs); } fastcall void @@ -1177,6 +1181,7 @@ smp_qic_call_function_interrupt(struct pt_regs *regs) fastcall void smp_vic_cpi_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); __u8 cpu = smp_processor_id(); if(is_cpu_quad()) @@ -1185,7 +1190,7 @@ smp_vic_cpi_interrupt(struct pt_regs *regs) ack_VIC_CPI(VIC_CPI_LEVEL0); if(test_and_clear_bit(VIC_TIMER_CPI, &vic_cpi_mailbox[cpu])) - wrapper_smp_local_timer_interrupt(regs); + wrapper_smp_local_timer_interrupt(); if(test_and_clear_bit(VIC_INVALIDATE_CPI, &vic_cpi_mailbox[cpu])) smp_invalidate_interrupt(); if(test_and_clear_bit(VIC_RESCHEDULE_CPI, &vic_cpi_mailbox[cpu])) @@ -1194,6 +1199,7 @@ smp_vic_cpi_interrupt(struct pt_regs *regs) smp_enable_irq_interrupt(); if(test_and_clear_bit(VIC_CALL_FUNCTION_CPI, &vic_cpi_mailbox[cpu])) smp_call_function_interrupt(); + set_irq_regs(old_regs); } static void @@ -1266,8 +1272,10 @@ smp_send_stop(void) void smp_vic_timer_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); send_CPI_allbutself(VIC_TIMER_CPI); - smp_local_timer_interrupt(regs); + smp_local_timer_interrupt(); + set_irq_regs(old_regs); } /* local (per CPU) timer interrupt. It does both profiling and @@ -1279,12 +1287,12 @@ smp_vic_timer_interrupt(struct pt_regs *regs) * value into /proc/profile. */ void -smp_local_timer_interrupt(struct pt_regs * regs) +smp_local_timer_interrupt(void) { int cpu = smp_processor_id(); long weight; - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); if (--per_cpu(prof_counter, cpu) <= 0) { /* * The multiplier may have changed since the last time we got @@ -1302,7 +1310,7 @@ smp_local_timer_interrupt(struct pt_regs * regs) per_cpu(prof_counter, cpu); } - update_process_times(user_mode_vm(regs)); + update_process_times(user_mode_vm(irq_regs)); } if( ((1<<cpu) & voyager_extended_vic_processors) == 0) diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c index 5acf0b4743c..431c9a51b15 100644 --- a/arch/i386/pci/direct.c +++ b/arch/i386/pci/direct.c @@ -256,6 +256,8 @@ static int __init pci_check_type2(void) void __init pci_direct_init(int type) { + if (type == 0) + return; printk(KERN_INFO "PCI: Using configuration type %d\n", type); if (type == 1) raw_pci_ops = &pci_direct_conf1; diff --git a/arch/i386/pci/init.c b/arch/i386/pci/init.c index d028e1b05c3..b21b6da8ab1 100644 --- a/arch/i386/pci/init.c +++ b/arch/i386/pci/init.c @@ -28,6 +28,10 @@ static __init int pci_access_init(void) #ifdef CONFIG_PCI_DIRECT pci_direct_init(type); #endif + if (!raw_pci_ops) + printk(KERN_ERR + "PCI: Fatal: No config space access function found\n"); + return 0; } arch_initcall(pci_access_init); diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index ab2d19c3661..7fd3ef9e064 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -138,6 +138,7 @@ void destroy_irq(unsigned int irq) void ia64_handle_irq (ia64_vector vector, struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); unsigned long saved_tpr; #if IRQ_DEBUG @@ -183,7 +184,7 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs) ia64_setreg(_IA64_REG_CR_TPR, vector); ia64_srlz_d(); - __do_IRQ(local_vector_to_irq(vector), regs); + __do_IRQ(local_vector_to_irq(vector)); /* * Disable interrupts and send EOI: @@ -200,6 +201,7 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs) * come through until ia64_eoi() has been done. */ irq_exit(); + set_irq_regs(old_regs); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c index d4a546aa504..9620822270a 100644 --- a/arch/ia64/kernel/machvec.c +++ b/arch/ia64/kernel/machvec.c @@ -60,7 +60,7 @@ machvec_setup (char **arg) EXPORT_SYMBOL(machvec_setup); void -machvec_timer_interrupt (int irq, void *dev_id, struct pt_regs *regs) +machvec_timer_interrupt (int irq, void *dev_id) { } EXPORT_SYMBOL(machvec_timer_interrupt); diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 66323018325..7cfa63a98cb 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -499,7 +499,7 @@ int cpe_vector = -1; int ia64_cpe_irq = -1; static irqreturn_t -ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs) +ia64_mca_cpe_int_handler (int cpe_irq, void *arg) { static unsigned long cpe_history[CPE_HISTORY_LENGTH]; static int index; @@ -744,7 +744,7 @@ ia64_mca_wakeup_all(void) * Outputs : None */ static irqreturn_t -ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *regs) +ia64_mca_rendez_int_handler(int rendez_irq, void *arg) { unsigned long flags; int cpu = smp_processor_id(); @@ -753,8 +753,8 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *regs) /* Mask all interrupts */ local_irq_save(flags); - if (notify_die(DIE_MCA_RENDZVOUS_ENTER, "MCA", regs, (long)&nd, 0, 0) - == NOTIFY_STOP) + if (notify_die(DIE_MCA_RENDZVOUS_ENTER, "MCA", get_irq_regs(), + (long)&nd, 0, 0) == NOTIFY_STOP) ia64_mca_spin(__FUNCTION__); ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_DONE; @@ -763,16 +763,16 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *regs) */ ia64_sal_mc_rendez(); - if (notify_die(DIE_MCA_RENDZVOUS_PROCESS, "MCA", regs, (long)&nd, 0, 0) - == NOTIFY_STOP) + if (notify_die(DIE_MCA_RENDZVOUS_PROCESS, "MCA", get_irq_regs(), + (long)&nd, 0, 0) == NOTIFY_STOP) ia64_mca_spin(__FUNCTION__); /* Wait for the monarch cpu to exit. */ while (monarch_cpu != -1) cpu_relax(); /* spin until monarch leaves */ - if (notify_die(DIE_MCA_RENDZVOUS_LEAVE, "MCA", regs, (long)&nd, 0, 0) - == NOTIFY_STOP) + if (notify_die(DIE_MCA_RENDZVOUS_LEAVE, "MCA", get_irq_regs(), + (long)&nd, 0, 0) == NOTIFY_STOP) ia64_mca_spin(__FUNCTION__); /* Enable all interrupts */ @@ -791,12 +791,11 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *regs) * * Inputs : wakeup_irq (Wakeup-interrupt bit) * arg (Interrupt handler specific argument) - * ptregs (Exception frame at the time of the interrupt) * Outputs : None * */ static irqreturn_t -ia64_mca_wakeup_int_handler(int wakeup_irq, void *arg, struct pt_regs *ptregs) +ia64_mca_wakeup_int_handler(int wakeup_irq, void *arg) { return IRQ_HANDLED; } @@ -1261,13 +1260,12 @@ static DECLARE_WORK(cmc_enable_work, ia64_mca_cmc_vector_enable_keventd, NULL); * Inputs * interrupt number * client data arg ptr - * saved registers ptr * * Outputs * None */ static irqreturn_t -ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs) +ia64_mca_cmc_int_handler(int cmc_irq, void *arg) { static unsigned long cmc_history[CMC_HISTORY_LENGTH]; static int index; @@ -1336,12 +1334,11 @@ out: * Inputs * interrupt number * client data arg ptr - * saved registers ptr * Outputs * handled */ static irqreturn_t -ia64_mca_cmc_int_caller(int cmc_irq, void *arg, struct pt_regs *ptregs) +ia64_mca_cmc_int_caller(int cmc_irq, void *arg) { static int start_count = -1; unsigned int cpuid; @@ -1352,7 +1349,7 @@ ia64_mca_cmc_int_caller(int cmc_irq, void *arg, struct pt_regs *ptregs) if (start_count == -1) start_count = IA64_LOG_COUNT(SAL_INFO_TYPE_CMC); - ia64_mca_cmc_int_handler(cmc_irq, arg, ptregs); + ia64_mca_cmc_int_handler(cmc_irq, arg); for (++cpuid ; cpuid < NR_CPUS && !cpu_online(cpuid) ; cpuid++); @@ -1403,14 +1400,13 @@ ia64_mca_cmc_poll (unsigned long dummy) * Inputs * interrupt number * client data arg ptr - * saved registers ptr * Outputs * handled */ #ifdef CONFIG_ACPI static irqreturn_t -ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs) +ia64_mca_cpe_int_caller(int cpe_irq, void *arg) { static int start_count = -1; static int poll_time = MIN_CPE_POLL_INTERVAL; @@ -1422,7 +1418,7 @@ ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs) if (start_count == -1) start_count = IA64_LOG_COUNT(SAL_INFO_TYPE_CPE); - ia64_mca_cpe_int_handler(cpe_irq, arg, ptregs); + ia64_mca_cpe_int_handler(cpe_irq, arg); for (++cpuid ; cpuid < NR_CPUS && !cpu_online(cpuid) ; cpuid++); diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 62e07f906e0..41169a9bc30 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -45,7 +45,7 @@ static struct time_interpolator itc_interpolator = { }; static irqreturn_t -timer_interrupt (int irq, void *dev_id, struct pt_regs *regs) +timer_interrupt (int irq, void *dev_id) { unsigned long new_itm; @@ -53,7 +53,7 @@ timer_interrupt (int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; } - platform_timer_interrupt(irq, dev_id, regs); + platform_timer_interrupt(irq, dev_id); new_itm = local_cpu_data->itm_next; @@ -61,10 +61,10 @@ timer_interrupt (int irq, void *dev_id, struct pt_regs *regs) printk(KERN_ERR "Oops: timer tick before it's due (itc=%lx,itm=%lx)\n", ia64_get_itc(), new_itm); - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); while (1) { - update_process_times(user_mode(regs)); + update_process_times(user_mode(get_irq_regs())); new_itm += local_cpu_data->itm_delta; diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c index c36b0f5affb..8a2cb4e691f 100644 --- a/arch/ia64/sn/pci/tioca_provider.c +++ b/arch/ia64/sn/pci/tioca_provider.c @@ -550,13 +550,12 @@ tioca_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma_flags) * tioca_error_intr_handler - SGI TIO CA error interrupt handler * @irq: unused * @arg: pointer to tioca_common struct for the given CA - * @pt: unused * * Handle a CA error interrupt. Simply a wrapper around a SAL call which * defers processing to the SGI prom. */ static irqreturn_t -tioca_error_intr_handler(int irq, void *arg, struct pt_regs *pt) +tioca_error_intr_handler(int irq, void *arg) { struct tioca_common *soft = arg; struct ia64_sal_retval ret_stuff; diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c index af7171adcd2..0e81f68aaf8 100644 --- a/arch/ia64/sn/pci/tioce_provider.c +++ b/arch/ia64/sn/pci/tioce_provider.c @@ -666,12 +666,11 @@ tioce_dma_consistent(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma * tioce_error_intr_handler - SGI TIO CE error interrupt handler * @irq: unused * @arg: pointer to tioce_common struct for the given CE - * @pt: unused * * Handle a CE error interrupt. Simply a wrapper around a SAL call which * defers processing to the SGI prom. */ static irqreturn_t -tioce_error_intr_handler(int irq, void *arg, struct pt_regs *pt) +tioce_error_intr_handler(int irq, void *arg) { struct tioce_common *soft = arg; struct ia64_sal_retval ret_stuff; diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index d955aaefbb8..a00b0e7ab9b 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -55,13 +55,15 @@ unsigned long irq_hwmask[NR_IRQS]; */ asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); irq_enter(); __DO_IRQ_SMTC_HOOK(); - __do_IRQ(irq, regs); + __do_IRQ(irq); irq_exit(); + set_irq_regs(old_regs); return 1; } diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index a8340802f2d..d349eb9e4ff 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -322,18 +322,18 @@ static long last_rtc_update; * a broadcasted inter-processor interrupt which itself is triggered * by the global timer interrupt. */ -void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +void local_timer_interrupt(int irq, void *dev_id) { if (current->pid) - profile_tick(CPU_PROFILING, regs); - update_process_times(user_mode(regs)); + profile_tick(CPU_PROFILING); + update_process_times(user_mode(get_irq_regs())); } /* * High-level timer interrupt service routines. This function * is set as irqaction->handler and is invoked through do_IRQ. */ -irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +irqreturn_t timer_interrupt(int irq, void *dev_id) { unsigned long j; unsigned int count; @@ -419,23 +419,24 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) * In SMP mode, local_timer_interrupt() is invoked by appropriate * low-level local timer interrupt handler. */ - local_timer_interrupt(irq, dev_id, regs); + local_timer_interrupt(irq, dev_id); return IRQ_HANDLED; } -int null_perf_irq(struct pt_regs *regs) +int null_perf_irq(void) { return 0; } -int (*perf_irq)(struct pt_regs *regs) = null_perf_irq; +int (*perf_irq)(void) = null_perf_irq; EXPORT_SYMBOL(null_perf_irq); EXPORT_SYMBOL(perf_irq); asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); int r2 = cpu_has_mips_r2; irq_enter(); @@ -448,27 +449,30 @@ asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs) * performance counter interrupt handler anyway. */ if (!r2 || (read_c0_cause() & (1 << 26))) - if (perf_irq(regs)) + if (perf_irq()) goto out; /* we keep interrupt disabled all the time */ if (!r2 || (read_c0_cause() & (1 << 30))) - timer_interrupt(irq, NULL, regs); + timer_interrupt(irq, NULL); out: irq_exit(); + set_irq_regs(old_regs); } asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); irq_enter(); if (smp_processor_id() != 0) kstat_this_cpu.irqs[irq]++; /* we keep interrupt disabled all the time */ - local_timer_interrupt(irq, NULL, regs); + local_timer_interrupt(irq, NULL); irq_exit(); + set_irq_regs(old_regs); } /* diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c index 7a941ecff3b..66df5ac8f08 100644 --- a/arch/mips/sgi-ip22/ip22-reset.c +++ b/arch/mips/sgi-ip22/ip22-reset.c @@ -169,7 +169,7 @@ static inline void volume_down_button(unsigned long data) } } -static irqreturn_t panel_int(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t panel_int(int irq, void *dev_id) { unsigned int buttons; diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index 0e061890f79..3462b0d98de 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -191,12 +191,14 @@ void indy_8254timer_irq(struct pt_regs *regs) void indy_r4k_timer_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); int irq = SGI_TIMER_IRQ; irq_enter(); kstat_this_cpu.irqs[irq]++; - timer_interrupt(irq, NULL, regs); + timer_interrupt(irq, NULL); irq_exit(); + set_irq_regs(old_regs); } void __init plat_timer_setup(struct irqaction *irq) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index c3f58f2f9f5..5deaab3090b 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -187,6 +187,7 @@ void fixup_irqs(cpumask_t map) void do_IRQ(struct pt_regs *regs) { + struct pt_regs *old_regs = set_irq_regs(regs); unsigned int irq; #ifdef CONFIG_IRQSTACKS struct thread_info *curtp, *irqtp; @@ -230,18 +231,19 @@ void do_IRQ(struct pt_regs *regs) handler = &__do_IRQ; irqtp->task = curtp->task; irqtp->flags = 0; - call_handle_irq(irq, desc, regs, irqtp, handler); + call_handle_irq(irq, desc, irqtp, handler); irqtp->task = NULL; if (irqtp->flags) set_bits(irqtp->flags, &curtp->flags); } else #endif - generic_handle_irq(irq, regs); + generic_handle_irq(irq); } else if (irq != NO_IRQ_IGNORE) /* That's not SMP safe ... but who cares ? */ ppc_spurious_interrupts++; irq_exit(); + set_irq_regs(old_regs); #ifdef CONFIG_PPC_ISERIES if (get_lppaca()->int_dword.fields.decr_int) { diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 41521b30c3c..c70e20708a1 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -52,12 +52,12 @@ _GLOBAL(call_do_softirq) blr _GLOBAL(call_handle_irq) - ld r8,0(r7) + ld r8,0(r6) mflr r0 std r0,16(r1) mtctr r8 - stdu r1,THREAD_SIZE-112(r6) - mr r1,r6 + stdu r1,THREAD_SIZE-112(r5) + mr r1,r5 bctrl ld r1,0(r1) ld r0,16(r1) diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 6a9bc9ce54e..35c6309bdb7 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -115,7 +115,7 @@ void __devinit smp_generic_kick_cpu(int nr) } #endif -void smp_message_recv(int msg, struct pt_regs *regs) +void smp_message_recv(int msg) { switch(msg) { case PPC_MSG_CALL_FUNCTION: @@ -127,11 +127,11 @@ void smp_message_recv(int msg, struct pt_regs *regs) break; case PPC_MSG_DEBUGGER_BREAK: if (crash_ipi_function_ptr) { - crash_ipi_function_ptr(regs); + crash_ipi_function_ptr(get_irq_regs()); break; } #ifdef CONFIG_DEBUGGER - debugger_ipi(regs); + debugger_ipi(get_irq_regs()); break; #endif /* CONFIG_DEBUGGER */ /* FALLTHROUGH */ diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 85b9244a098..d210d0a5006 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -51,6 +51,7 @@ #include <linux/rtc.h> #include <linux/jiffies.h> #include <linux/posix-timers.h> +#include <linux/irq.h> #include <asm/io.h> #include <asm/processor.h> @@ -643,6 +644,7 @@ static void iSeries_tb_recal(void) */ void timer_interrupt(struct pt_regs * regs) { + struct pt_regs *old_regs; int next_dec; int cpu = smp_processor_id(); unsigned long ticks; @@ -653,9 +655,10 @@ void timer_interrupt(struct pt_regs * regs) do_IRQ(regs); #endif + old_regs = set_irq_regs(regs); irq_enter(); - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); calculate_steal_time(); #ifdef CONFIG_PPC_ISERIES @@ -715,6 +718,7 @@ void timer_interrupt(struct pt_regs * regs) #endif irq_exit(); + set_irq_regs(old_regs); } void wakeup_decrementer(void) diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 8533f13a5ed..434fb934dd2 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -190,11 +190,11 @@ struct irq_host *iic_get_irq_host(int node) EXPORT_SYMBOL_GPL(iic_get_irq_host); -static irqreturn_t iic_ipi_action(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t iic_ipi_action(int irq, void *dev_id) { int ipi = (int)(long)dev_id; - smp_message_recv(ipi, regs); + smp_message_recv(ipi); return IRQ_HANDLED; } diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index b0e95d594c5..21a9ebd4978 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -213,8 +213,7 @@ static struct irq_host_ops spider_host_ops = { .xlate = spider_host_xlate, }; -static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc, - struct pt_regs *regs) +static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc) { struct spider_pic *pic = desc->handler_data; unsigned int cs, virq; @@ -225,7 +224,7 @@ static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc, else virq = irq_linear_revmap(pic->host, cs); if (virq != NO_IRQ) - generic_handle_irq(virq, regs); + generic_handle_irq(virq); desc->chip->eoi(irq); } diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index c2c7cf75dd5..bfc4829162f 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -342,7 +342,7 @@ static void kw_i2c_handle_interrupt(struct pmac_i2c_host_kw *host, u8 isr) } /* Interrupt handler */ -static irqreturn_t kw_i2c_irq(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t kw_i2c_irq(int irq, void *dev_id) { struct pmac_i2c_host_kw *host = dev_id; unsigned long flags; diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c index ee3b223ab17..5c6c15c5f9a 100644 --- a/arch/powerpc/platforms/powermac/pfunc_base.c +++ b/arch/powerpc/platforms/powermac/pfunc_base.c @@ -15,7 +15,7 @@ #define DBG(fmt...) #endif -static irqreturn_t macio_gpio_irq(int irq, void *data, struct pt_regs *regs) +static irqreturn_t macio_gpio_irq(int irq, void *data) { pmf_do_irq(data); diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 39f7ddb554e..e93a115961a 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -440,14 +440,13 @@ static void __init pmac_pic_probe_oldstyle(void) } #endif /* CONFIG_PPC32 */ -static void pmac_u3_cascade(unsigned int irq, struct irq_desc *desc, - struct pt_regs *regs) +static void pmac_u3_cascade(unsigned int irq, struct irq_desc *desc) { struct mpic *mpic = desc->handler_data; - unsigned int cascade_irq = mpic_get_one_irq(mpic, regs); + unsigned int cascade_irq = mpic_get_one_irq(mpic, get_irq_regs()); if (cascade_irq != NO_IRQ) - generic_handle_irq(cascade_irq, regs); + generic_handle_irq(cascade_irq); desc->chip->eoi(irq); } diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index 311ed1993fc..b1d3d161249 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -65,16 +65,14 @@ static int ras_check_exception_token; #define EPOW_SENSOR_INDEX 0 #define RAS_VECTOR_OFFSET 0x500 -static irqreturn_t ras_epow_interrupt(int irq, void *dev_id, - struct pt_regs * regs); -static irqreturn_t ras_error_interrupt(int irq, void *dev_id, - struct pt_regs * regs); +static irqreturn_t ras_epow_interrupt(int irq, void *dev_id); +static irqreturn_t ras_error_interrupt(int irq, void *dev_id); /* #define DEBUG */ static void request_ras_irqs(struct device_node *np, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irq_handler_t handler, const char *name) { int i, index, count = 0; @@ -166,8 +164,7 @@ __initcall(init_ras_IRQ); * to examine the type of power failure and take appropriate action where * the time horizon permits something useful to be done. */ -static irqreturn_t -ras_epow_interrupt(int irq, void *dev_id, struct pt_regs * regs) +static irqreturn_t ras_epow_interrupt(int irq, void *dev_id) { int status = 0xdeadbeef; int state = 0; @@ -210,8 +207,7 @@ ras_epow_interrupt(int irq, void *dev_id, struct pt_regs * regs) * For nonrecoverable errors, an error is logged and we stop all processing * as quickly as possible in order to prevent propagation of the failure. */ -static irqreturn_t -ras_error_interrupt(int irq, void *dev_id, struct pt_regs * regs) +static irqreturn_t ras_error_interrupt(int irq, void *dev_id) { struct rtas_error_log *rtas_elog; int status = 0xdeadbeef; diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index f82b13e531a..ad9aec2c6fe 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -121,12 +121,11 @@ static void __init fwnmi_init(void) fwnmi_active = 1; } -void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc, - struct pt_regs *regs) +void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc) { - unsigned int cascade_irq = i8259_irq(regs); + unsigned int cascade_irq = i8259_irq(get_irq_regs()); if (cascade_irq != NO_IRQ) - generic_handle_irq(cascade_irq, regs); + generic_handle_irq(cascade_irq); desc->chip->eoi(irq); } diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 253972e5479..f6bd2f28515 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -324,7 +324,7 @@ static unsigned int xics_get_irq_lpar(struct pt_regs *regs) #ifdef CONFIG_SMP -static irqreturn_t xics_ipi_dispatch(int cpu, struct pt_regs *regs) +static irqreturn_t xics_ipi_dispatch(int cpu) { WARN_ON(cpu_is_offline(cpu)); @@ -332,47 +332,47 @@ static irqreturn_t xics_ipi_dispatch(int cpu, struct pt_regs *regs) if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, &xics_ipi_message[cpu].value)) { mb(); - smp_message_recv(PPC_MSG_CALL_FUNCTION, regs); + smp_message_recv(PPC_MSG_CALL_FUNCTION); } if (test_and_clear_bit(PPC_MSG_RESCHEDULE, &xics_ipi_message[cpu].value)) { mb(); - smp_message_recv(PPC_MSG_RESCHEDULE, regs); + smp_message_recv(PPC_MSG_RESCHEDULE); } #if 0 if (test_and_clear_bit(PPC_MSG_MIGRATE_TASK, &xics_ipi_message[cpu].value)) { mb(); - smp_message_recv(PPC_MSG_MIGRATE_TASK, regs); + smp_message_recv(PPC_MSG_MIGRATE_TASK); } #endif #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, &xics_ipi_message[cpu].value)) { mb(); - smp_message_recv(PPC_MSG_DEBUGGER_BREAK, regs); + smp_message_recv(PPC_MSG_DEBUGGER_BREAK); } #endif } return IRQ_HANDLED; } -static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id) { int cpu = smp_processor_id(); direct_qirr_info(cpu, 0xff); - return xics_ipi_dispatch(cpu, regs); + return xics_ipi_dispatch(cpu); } -static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id) { int cpu = smp_processor_id(); lpar_qirr_info(cpu, 0xff); - return xics_ipi_dispatch(cpu, regs); + return xics_ipi_dispatch(cpu); } void xics_cause_IPI(int cpu) diff --git a/arch/powerpc/platforms/pseries/xics.h b/arch/powerpc/platforms/pseries/xics.h index 6ee1055b0ff..db0ec3ba3ae 100644 --- a/arch/powerpc/platforms/pseries/xics.h +++ b/arch/powerpc/platforms/pseries/xics.h @@ -31,7 +31,6 @@ struct xics_ipi_struct { extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; struct irq_desc; -extern void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc, - struct pt_regs *regs); +extern void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc); #endif /* _POWERPC_KERNEL_XICS_H */ diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 3ee03a9a98f..195215560fd 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -489,9 +489,9 @@ static inline void mpic_eoi(struct mpic *mpic) } #ifdef CONFIG_SMP -static irqreturn_t mpic_ipi_action(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t mpic_ipi_action(int irq, void *dev_id) { - smp_message_recv(mpic_irq_to_hw(irq) - MPIC_VEC_IPI_0, regs); + smp_message_recv(mpic_irq_to_hw(irq) - MPIC_VEC_IPI_0); return IRQ_HANDLED; } #endif /* CONFIG_SMP */ diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 708236f3474..5a854f36383 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/sysrq.h> #include <linux/interrupt.h> +#include <linux/irq.h> #include <asm/ptrace.h> #include <asm/string.h> @@ -2577,12 +2578,11 @@ void xmon_init(int enable) } #ifdef CONFIG_MAGIC_SYSRQ -static void sysrq_handle_xmon(int key, struct pt_regs *pt_regs, - struct tty_struct *tty) +static void sysrq_handle_xmon(int key, struct tty_struct *tty) { /* ensure xmon is enabled */ xmon_init(1); - debugger(pt_regs); + debugger(get_irq_regs()); } static struct sysrq_key_op sysrq_xmon_op = diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 4844b543bed..47bfba6e9dc 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.18-git7 -# Wed Sep 27 21:53:10 2006 +# Linux kernel version: 2.6.19-rc1 +# Thu Oct 5 13:04:43 2006 # CONFIG_X86_64=y CONFIG_64BIT=y @@ -19,6 +19,7 @@ CONFIG_EARLY_PRINTK=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_DMI=y CONFIG_AUDIT_ARCH=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -37,9 +38,11 @@ CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y @@ -47,9 +50,10 @@ CONFIG_IKCONFIG_PROC=y # CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y -CONFIG_SYSCTL=y +# CONFIG_SYSCTL_SYSCALL is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set @@ -82,6 +86,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +CONFIG_BLOCK=y CONFIG_LBD=y # CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_LSF is not set @@ -252,9 +257,11 @@ CONFIG_PCI=y CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y CONFIG_PCIEPORTBUS=y +CONFIG_PCIEAER=y CONFIG_PCI_MSI=y # CONFIG_PCI_MULTITHREAD_PROBE is not set # CONFIG_PCI_DEBUG is not set +# CONFIG_HT_IRQ is not set # # PCCARD (PCMCIA/CardBus) support @@ -309,6 +316,7 @@ CONFIG_IP_PNP_DHCP=y # CONFIG_INET_TUNNEL is not set # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set @@ -325,6 +333,7 @@ CONFIG_IPV6=y # CONFIG_INET6_TUNNEL is not set # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set # CONFIG_INET6_XFRM_MODE_TUNNEL is not set +# CONFIG_INET6_XFRM_MODE_BEET is not set # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set # CONFIG_IPV6_TUNNEL is not set # CONFIG_IPV6_SUBTREES is not set @@ -473,6 +482,7 @@ CONFIG_BLK_DEV_ATIIXP=y # CONFIG_BLK_DEV_CS5530 is not set # CONFIG_BLK_DEV_HPT34X is not set # CONFIG_BLK_DEV_HPT366 is not set +# CONFIG_BLK_DEV_JMICRON is not set # CONFIG_BLK_DEV_SC1200 is not set CONFIG_BLK_DEV_PIIX=y # CONFIG_BLK_DEV_IT821X is not set @@ -564,6 +574,7 @@ CONFIG_MEGARAID_SAS=y # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_1280 is not set # CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set # CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set @@ -605,7 +616,6 @@ CONFIG_SATA_INTEL_COMBINED=y # CONFIG_PATA_HPT3X3 is not set # CONFIG_PATA_IT821X is not set # CONFIG_PATA_JMICRON is not set -# CONFIG_PATA_LEGACY is not set # CONFIG_PATA_TRIFLEX is not set # CONFIG_PATA_MPIIX is not set # CONFIG_PATA_OLDPIIX is not set @@ -614,7 +624,6 @@ CONFIG_SATA_INTEL_COMBINED=y # CONFIG_PATA_OPTI is not set # CONFIG_PATA_OPTIDMA is not set # CONFIG_PATA_PDC_OLD is not set -# CONFIG_PATA_QDI is not set # CONFIG_PATA_RADISYS is not set # CONFIG_PATA_RZ1000 is not set # CONFIG_PATA_SC1200 is not set @@ -631,6 +640,7 @@ CONFIG_SATA_INTEL_COMBINED=y CONFIG_MD=y # CONFIG_BLK_DEV_MD is not set CONFIG_BLK_DEV_DM=y +# CONFIG_DM_DEBUG is not set # CONFIG_DM_CRYPT is not set # CONFIG_DM_SNAPSHOT is not set # CONFIG_DM_MIRROR is not set @@ -819,6 +829,7 @@ CONFIG_NET_POLL_CONTROLLER=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -841,6 +852,7 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y # CONFIG_MOUSE_SERIAL is not set @@ -1008,6 +1020,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1026 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_K8TEMP is not set # CONFIG_SENSORS_ASB100 is not set # CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS1621 is not set @@ -1034,6 +1047,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_SMSC47M192 is not set CONFIG_SENSORS_SMSC47B397=m # CONFIG_SENSORS_VIA686A is not set +# CONFIG_SENSORS_VT1211 is not set # CONFIG_SENSORS_VT8231 is not set # CONFIG_SENSORS_W83781D is not set # CONFIG_SENSORS_W83791D is not set @@ -1048,12 +1062,12 @@ CONFIG_SENSORS_SMSC47B397=m # Misc devices # # CONFIG_IBM_ASM is not set +# CONFIG_TIFM_CORE is not set # # Multimedia devices # # CONFIG_VIDEO_DEV is not set -CONFIG_VIDEO_V4L2=y # # Digital Video Broadcasting Devices @@ -1159,6 +1173,7 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set # CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_KARMA is not set # CONFIG_USB_LIBUSUAL is not set # @@ -1181,6 +1196,7 @@ CONFIG_USB_HIDINPUT=y # CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set +# CONFIG_USB_TRANCEVIBRATOR is not set # # USB Imaging devices @@ -1212,6 +1228,7 @@ CONFIG_USB_MON=y # # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set # CONFIG_USB_AUERSWALD is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set @@ -1219,9 +1236,9 @@ CONFIG_USB_MON=y # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGETKIT is not set -# CONFIG_USB_PHIDGETSERVO is not set +# CONFIG_USB_PHIDGET is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set @@ -1313,6 +1330,7 @@ CONFIG_REISERFS_FS_POSIX_ACL=y # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set @@ -1347,8 +1365,10 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y @@ -1398,6 +1418,7 @@ CONFIG_SUNRPC=y # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set # CONFIG_9P_FS is not set +CONFIG_GENERIC_ACL=y # # Partition Types @@ -1450,6 +1471,10 @@ CONFIG_NLS_ISO8859_15=y CONFIG_NLS_UTF8=y # +# Distributed Lock Manager +# + +# # Instrumentation Support # CONFIG_PROFILING=y @@ -1482,11 +1507,13 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set CONFIG_UNWIND_INFO=y CONFIG_STACK_UNWIND=y # CONFIG_FORCED_INLINING is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_LKDTM is not set # CONFIG_DEBUG_RODATA is not set # CONFIG_IOMMU_DEBUG is not set CONFIG_DEBUG_STACKOVERFLOW=y diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index 6472e321cad..af4a1c71a80 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -885,14 +885,14 @@ void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector, * value into /proc/profile. */ -void smp_local_timer_interrupt(struct pt_regs *regs) +void smp_local_timer_interrupt(void) { - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); #ifdef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode(get_irq_regs())); #endif if (apic_runs_main_timer > 1 && smp_processor_id() == boot_cpu_id) - main_timer_handler(regs); + main_timer_handler(); /* * We take the 'long' return path, and there every subsystem * grabs the appropriate locks (kernel lock/ irq lock). @@ -913,7 +913,7 @@ void smp_local_timer_interrupt(struct pt_regs *regs) * [ if a single-CPU system runs an SMP kernel then we call the local * interrupt as well. Thus we cannot inline the local irq ... ] */ -void smp_apic_timer_interrupt(struct pt_regs *regs) +void smp_apic_timer_interrupt(void) { /* * the NMI deadlock-detector uses this. @@ -932,7 +932,7 @@ void smp_apic_timer_interrupt(struct pt_regs *regs) */ exit_idle(); irq_enter(); - smp_local_timer_interrupt(regs); + smp_local_timer_interrupt(); irq_exit(); } diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index b8285cf1a9c..38a7b2d528e 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -535,6 +535,8 @@ END(stub_rt_sigreturn) 1: incl %gs:pda_irqcount cmoveq %gs:pda_irqstackptr,%rsp push %rbp # backlink for old unwinder + CFI_ADJUST_CFA_OFFSET 8 + CFI_REL_OFFSET rbp,0 /* * We entered an interrupt context - irqs are off: */ @@ -978,6 +980,11 @@ ENTRY(kernel_thread) call do_fork movq %rax,RAX(%rsp) xorl %edi,%edi + test %rax,%rax + jnz 1f + /* terminate stack in child */ + movq %rdi,RIP(%rsp) +1: /* * It isn't worth to check for reschedule here, @@ -1169,6 +1176,7 @@ ENTRY(call_softirq) incl %gs:pda_irqcount cmove %gs:pda_irqstackptr,%rsp push %rbp # backlink for old unwinder + CFI_ADJUST_CFA_OFFSET 8 call __do_softirq leaveq CFI_DEF_CFA_REGISTER rsp diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c index 506f27c85ca..b8a407fcd5d 100644 --- a/arch/x86_64/kernel/irq.c +++ b/arch/x86_64/kernel/irq.c @@ -103,7 +103,9 @@ skip: * handlers). */ asmlinkage unsigned int do_IRQ(struct pt_regs *regs) -{ +{ + struct pt_regs *old_regs = set_irq_regs(regs); + /* high bit used in ret_from_ code */ unsigned vector = ~regs->orig_rax; unsigned irq; @@ -121,9 +123,10 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs) #ifdef CONFIG_DEBUG_STACKOVERFLOW stack_overflow_check(regs); #endif - generic_handle_irq(irq, regs); + generic_handle_irq(irq); irq_exit(); + set_irq_regs(old_regs); return 1; } diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c index f760045d6d3..b3296cc2f2f 100644 --- a/arch/x86_64/kernel/pci-calgary.c +++ b/arch/x86_64/kernel/pci-calgary.c @@ -2,8 +2,9 @@ * Derived from arch/powerpc/kernel/iommu.c * * Copyright (C) IBM Corporation, 2006 + * Copyright (C) 2006 Jon Mason <jdmason@kudzu.us> * - * Author: Jon Mason <jdmason@us.ibm.com> + * Author: Jon Mason <jdmason@kudzu.us> * Author: Muli Ben-Yehuda <muli@il.ibm.com> * This program is free software; you can redistribute it and/or modify @@ -714,7 +715,7 @@ static void calgary_watchdog(unsigned long data) /* If no error, the agent ID in the CSR is not valid */ if (val32 & CSR_AGENT_MASK) { - printk(KERN_EMERG "calgary_watchdog: DMA error on bus %d, " + printk(KERN_EMERG "calgary_watchdog: DMA error on PHB %#x, " "CSR = %#x\n", dev->bus->number, val32); writel(0, target); @@ -748,7 +749,7 @@ static void __init calgary_enable_translation(struct pci_dev *dev) val32 = be32_to_cpu(readl(target)); val32 |= PHB_TCE_ENABLE | PHB_DAC_DISABLE | PHB_MCSR_ENABLE; - printk(KERN_INFO "Calgary: enabling translation on PHB %d\n", busnum); + printk(KERN_INFO "Calgary: enabling translation on PHB %#x\n", busnum); printk(KERN_INFO "Calgary: errant DMAs will now be prevented on this " "bus.\n"); @@ -778,7 +779,7 @@ static void __init calgary_disable_translation(struct pci_dev *dev) val32 = be32_to_cpu(readl(target)); val32 &= ~(PHB_TCE_ENABLE | PHB_DAC_DISABLE | PHB_MCSR_ENABLE); - printk(KERN_INFO "Calgary: disabling translation on PHB %d!\n", busnum); + printk(KERN_INFO "Calgary: disabling translation on PHB %#x!\n", busnum); writel(cpu_to_be32(val32), target); readl(target); /* flush */ @@ -790,7 +791,16 @@ static inline unsigned int __init locate_register_space(struct pci_dev *dev) int rionodeid; u32 address; - rionodeid = (dev->bus->number % 15 > 4) ? 3 : 2; + /* + * Each Calgary has four busses. The first four busses (first Calgary) + * have RIO node ID 2, then the next four (second Calgary) have RIO + * node ID 3, the next four (third Calgary) have node ID 2 again, etc. + * We use a gross hack - relying on the dev->bus->number ordering, + * modulo 14 - to decide which Calgary a given bus is on. Busses 0, 1, + * 2 and 4 are on the first Calgary (id 2), 6, 8, a and c are on the + * second (id 3), and then it repeats modulo 14. + */ + rionodeid = (dev->bus->number % 14 > 4) ? 3 : 2; /* * register space address calculation as follows: * FE0MB-8MB*OneBasedChassisNumber+1MB*(RioNodeId-ChassisBase) @@ -798,7 +808,7 @@ static inline unsigned int __init locate_register_space(struct pci_dev *dev) * RioNodeId is 2 for first Calgary, 3 for second Calgary */ address = START_ADDRESS - - (0x800000 * (ONE_BASED_CHASSIS_NUM + dev->bus->number / 15)) + + (0x800000 * (ONE_BASED_CHASSIS_NUM + dev->bus->number / 14)) + (0x100000) * (rionodeid - CHASSIS_BASE); return address; } @@ -816,6 +826,8 @@ static int __init calgary_init_one(struct pci_dev *dev) void __iomem *bbar; int ret; + BUG_ON(dev->bus->number >= MAX_PHB_BUS_NUM); + address = locate_register_space(dev); /* map entire 1MB of Calgary config space */ bbar = ioremap_nocache(address, 1024 * 1024); @@ -842,10 +854,10 @@ done: static int __init calgary_init(void) { - int i, ret = -ENODEV; + int ret = -ENODEV; struct pci_dev *dev = NULL; - for (i = 0; i < MAX_PHB_BUS_NUM; i++) { + do { dev = pci_get_device(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CALGARY, dev); @@ -861,12 +873,12 @@ static int __init calgary_init(void) ret = calgary_init_one(dev); if (ret) goto error; - } + } while (1); return ret; error: - for (i--; i >= 0; i--) { + do { dev = pci_find_device_reverse(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CALGARY, dev); @@ -882,7 +894,7 @@ error: calgary_disable_translation(dev); calgary_free_bus(dev); pci_dev_put(dev); /* Undo calgary_init_one()'s pci_dev_get() */ - } + } while (1); return ret; } @@ -1052,7 +1064,7 @@ static int __init calgary_parse_options(char *p) if (bridge < MAX_PHB_BUS_NUM) { printk(KERN_INFO "Calgary: disabling " - "translation for PHB 0x%x\n", bridge); + "translation for PHB %#x\n", bridge); bus_info[bridge].translation_disabled = 1; } } diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index de10cb8a2c9..5e95b257ee2 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -615,6 +615,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) prev->gsindex = gsindex; } + /* Must be after DS reload */ + unlazy_fpu(prev_p); + /* * Switch the PDA and FPU contexts. */ @@ -622,10 +625,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) write_pda(oldrsp, next->userrsp); write_pda(pcurrent, next_p); - /* This must be here to ensure both math_state_restore() and - kernel_fpu_begin() work consistently. - And the AMD workaround requires it to be after DS reload. */ - unlazy_fpu(prev_p); write_pda(kernelstack, (unsigned long)task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET); #ifdef CONFIG_CC_STACKPROTECTOR diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 557e92af7be..1ba5a442ac3 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -302,20 +302,20 @@ unsigned long long monotonic_clock(void) } EXPORT_SYMBOL(monotonic_clock); -static noinline void handle_lost_ticks(int lost, struct pt_regs *regs) +static noinline void handle_lost_ticks(int lost) { static long lost_count; static int warned; if (report_lost_ticks) { printk(KERN_WARNING "time.c: Lost %d timer tick(s)! ", lost); - print_symbol("rip %s)\n", regs->rip); + print_symbol("rip %s)\n", get_irq_regs()->rip); } if (lost_count == 1000 && !warned) { printk(KERN_WARNING "warning: many lost ticks.\n" KERN_WARNING "Your time source seems to be instable or " "some driver is hogging interupts\n"); - print_symbol("rip %s\n", regs->rip); + print_symbol("rip %s\n", get_irq_regs()->rip); if (vxtime.mode == VXTIME_TSC && vxtime.hpet_address) { printk(KERN_WARNING "Falling back to HPET\n"); if (hpet_use_timer) @@ -339,7 +339,7 @@ static noinline void handle_lost_ticks(int lost, struct pt_regs *regs) #endif } -void main_timer_handler(struct pt_regs *regs) +void main_timer_handler(void) { static unsigned long rtc_update = 0; unsigned long tsc; @@ -411,7 +411,7 @@ void main_timer_handler(struct pt_regs *regs) } if (lost > 0) - handle_lost_ticks(lost, regs); + handle_lost_ticks(lost); else lost = 0; @@ -421,7 +421,7 @@ void main_timer_handler(struct pt_regs *regs) do_timer(lost + 1); #ifndef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode(get_irq_regs())); #endif /* @@ -431,7 +431,7 @@ void main_timer_handler(struct pt_regs *regs) */ if (!using_apic_timer) - smp_local_timer_interrupt(regs); + smp_local_timer_interrupt(); /* * If we have an externally synchronized Linux clock, then update CMOS clock @@ -450,11 +450,11 @@ void main_timer_handler(struct pt_regs *regs) write_sequnlock(&xtime_lock); } -static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t timer_interrupt(int irq, void *dev_id) { if (apic_runs_main_timer > 1) return IRQ_HANDLED; - main_timer_handler(regs); + main_timer_handler(); if (using_apic_timer) smp_send_timer_broadcast_ipi(); return IRQ_HANDLED; @@ -1337,7 +1337,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs) } if (call_rtc_interrupt) { rtc_int_flag |= (RTC_IRQF | (RTC_NUM_INTS << 8)); - rtc_interrupt(rtc_int_flag, dev_id, regs); + rtc_interrupt(rtc_int_flag, dev_id); } return IRQ_HANDLED; } diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 01f2a8d254c..7819022a8db 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -23,6 +23,7 @@ #include <linux/delay.h> #include <linux/spinlock.h> #include <linux/interrupt.h> +#include <linux/kallsyms.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/nmi.h> @@ -115,7 +116,6 @@ static int call_trace = 1; #endif #ifdef CONFIG_KALLSYMS -# include <linux/kallsyms.h> void printk_address(unsigned long address) { unsigned long offset = 0, symsize; |