diff options
Diffstat (limited to 'arch/x86_64/kernel')
26 files changed, 45 insertions, 74 deletions
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile index 4d94c51803d8..de1de8a2fd84 100644 --- a/arch/x86_64/kernel/Makefile +++ b/arch/x86_64/kernel/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_IOMMU) += pci-gart.o aperture.o obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary.o tce.o obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o +obj-$(CONFIG_SERIAL_8250) += legacy_serial.o obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_X86_PM_TIMER) += pmtimer.o obj-$(CONFIG_X86_VSMP) += vsmp.o @@ -49,6 +50,7 @@ CFLAGS_vsyscall.o := $(PROFILING) -g0 therm_throt-y += ../../i386/kernel/cpu/mcheck/therm_throt.o bootflag-y += ../../i386/kernel/bootflag.o +legacy_serial-y += ../../i386/kernel/legacy_serial.o cpuid-$(subst m,y,$(CONFIG_X86_CPUID)) += ../../i386/kernel/cpuid.o topology-y += ../../i386/kernel/topology.o microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index d198f7d82e5a..1b0e07bb8728 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/mc146818rtc.h> #include <linux/kernel_stat.h> diff --git a/arch/x86_64/kernel/crash.c b/arch/x86_64/kernel/crash.c index 95a7a2c13131..13432a1ae904 100644 --- a/arch/x86_64/kernel/crash.c +++ b/arch/x86_64/kernel/crash.c @@ -17,13 +17,13 @@ #include <linux/delay.h> #include <linux/elf.h> #include <linux/elfcore.h> +#include <linux/kdebug.h> #include <asm/processor.h> #include <asm/hardirq.h> #include <asm/nmi.h> #include <asm/hw_irq.h> #include <asm/mach_apic.h> -#include <asm/kdebug.h> /* This keeps a track of which one is crashing cpu. */ static int crashing_cpu; diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c index 92213d2b7c11..56eaa259782b 100644 --- a/arch/x86_64/kernel/early_printk.c +++ b/arch/x86_64/kernel/early_printk.c @@ -243,22 +243,12 @@ static int __init setup_early_printk(char *buf) early_console = &simnow_console; keep_early = 1; } + + if (keep_early) + early_console->flags &= ~CON_BOOT; + else + early_console->flags |= CON_BOOT; register_console(early_console); return 0; } - early_param("earlyprintk", setup_early_printk); - -void __init disable_early_printk(void) -{ - if (!early_console_initialized || !early_console) - return; - if (!keep_early) { - printk("disabling early console\n"); - unregister_console(early_console); - early_console_initialized = 0; - } else { - printk("keeping early console\n"); - } -} - diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c index 489426682772..4b326655b208 100644 --- a/arch/x86_64/kernel/i8259.c +++ b/arch/x86_64/kernel/i8259.c @@ -7,7 +7,6 @@ #include <linux/timex.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/sysdev.h> diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 2a2df14dab7e..d8bfe315471c 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/mc146818rtc.h> #include <linux/acpi.h> @@ -1414,7 +1413,7 @@ static void ack_apic_level(unsigned int irq) /* * We must acknowledge the irq before we move it or the acknowledge will - * not propogate properly. + * not propagate properly. */ ack_APIC_irq(); diff --git a/arch/x86_64/kernel/ioport.c b/arch/x86_64/kernel/ioport.c index 387d347b0e07..653efa30b0f4 100644 --- a/arch/x86_64/kernel/ioport.c +++ b/arch/x86_64/kernel/ioport.c @@ -12,7 +12,6 @@ #include <linux/types.h> #include <linux/ioport.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/slab.h> #include <linux/thread_info.h> diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c index 3bc30d2c13d3..3eaceac32481 100644 --- a/arch/x86_64/kernel/irq.c +++ b/arch/x86_64/kernel/irq.c @@ -32,7 +32,7 @@ atomic_t irq_err_count; */ static inline void stack_overflow_check(struct pt_regs *regs) { - u64 curbase = (u64) current->thread_info; + u64 curbase = (u64)task_stack_page(current); static unsigned long warned = -60*HZ; if (regs->rsp >= curbase && regs->rsp <= curbase + THREAD_SIZE && diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index 209c8c0bec71..d4a0d0ac9935 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -37,10 +37,10 @@ #include <linux/slab.h> #include <linux/preempt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> void jprobe_return_end(void); @@ -266,23 +266,14 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { unsigned long *sara = (unsigned long *)regs->rsp; - struct kretprobe_instance *ri; - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *) *sara; - - /* Replace the return addr with trampoline addr */ - *sara = (unsigned long) &kretprobe_trampoline; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + ri->ret_addr = (kprobe_opcode_t *) *sara; + /* Replace the return addr with trampoline addr */ + *sara = (unsigned long) &kretprobe_trampoline; } int __kprobes kprobe_handler(struct pt_regs *regs) @@ -447,7 +438,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); + kretprobe_assert(ri, orig_ret_address, trampoline_address); regs->rip = orig_ret_address; reset_current_kprobe(); @@ -752,3 +743,11 @@ int __init arch_init_kprobes(void) { return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline) + return 1; + + return 0; +} diff --git a/arch/x86_64/kernel/ldt.c b/arch/x86_64/kernel/ldt.c index d7e5d0cf4285..bc9ffd5c19cc 100644 --- a/arch/x86_64/kernel/ldt.c +++ b/arch/x86_64/kernel/ldt.c @@ -13,7 +13,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/slab.h> diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index fa2672682477..a14375dd5425 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -20,10 +20,10 @@ #include <linux/percpu.h> #include <linux/ctype.h> #include <linux/kmod.h> +#include <linux/kdebug.h> #include <asm/processor.h> #include <asm/msr.h> #include <asm/mce.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> #include <asm/smp.h> @@ -720,9 +720,11 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: mce_create_device(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: mce_remove_device(cpu); break; } diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c index d0bd5d66e103..03356e64f9c8 100644 --- a/arch/x86_64/kernel/mce_amd.c +++ b/arch/x86_64/kernel/mce_amd.c @@ -654,9 +654,11 @@ static int threshold_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: threshold_create_device(cpu); break; case CPU_DEAD: + case CPU_DEAD_FROZEN: threshold_remove_device(cpu); break; default: diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index d0dc4891599b..61ae57eb9e4c 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -17,7 +17,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> #include <linux/acpi.h> diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 6cd2b30e2ffc..931c64bad5e6 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -21,11 +21,11 @@ #include <linux/sysctl.h> #include <linux/kprobes.h> #include <linux/cpumask.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <asm/nmi.h> #include <asm/proto.h> -#include <asm/kdebug.h> #include <asm/mce.h> int unknown_nmi_panic; diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 0a762e10f2be..373ef66ca1dc 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -22,13 +22,13 @@ #include <linux/topology.h> #include <linux/interrupt.h> #include <linux/bitops.h> +#include <linux/kdebug.h> #include <asm/atomic.h> #include <asm/io.h> #include <asm/mtrr.h> #include <asm/pgtable.h> #include <asm/proto.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/swiotlb.h> #include <asm/dma.h> #include <asm/k8.h> diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index 4f21765078b7..5909039f37aa 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -36,6 +36,7 @@ #include <linux/random.h> #include <linux/notifier.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -46,7 +47,6 @@ #include <asm/mmu_context.h> #include <asm/pda.h> #include <asm/prctl.h> -#include <asm/kdebug.h> #include <asm/desc.h> #include <asm/proto.h> #include <asm/ia32.h> diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c index 4326a690a509..9409117b9f19 100644 --- a/arch/x86_64/kernel/ptrace.c +++ b/arch/x86_64/kernel/ptrace.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c index 2d6769847456..c116b54d422e 100644 --- a/arch/x86_64/kernel/reboot.c +++ b/arch/x86_64/kernel/reboot.c @@ -7,8 +7,8 @@ #include <linux/ctype.h> #include <linux/string.h> #include <linux/pm.h> +#include <linux/kdebug.h> #include <asm/io.h> -#include <asm/kdebug.h> #include <asm/delay.h> #include <asm/hw_irq.h> #include <asm/system.h> diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c index c819625f3316..290f5d8037cd 100644 --- a/arch/x86_64/kernel/signal.c +++ b/arch/x86_64/kernel/signal.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c index bd1d123947ce..2ff468591625 100644 --- a/arch/x86_64/kernel/smp.c +++ b/arch/x86_64/kernel/smp.c @@ -14,7 +14,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/smp.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 4d9dacfae575..32f50783edc8 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -42,18 +42,17 @@ #include <linux/mm.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/thread_info.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/mc146818rtc.h> #include <linux/smp.h> +#include <linux/kdebug.h> #include <asm/mtrr.h> #include <asm/pgalloc.h> #include <asm/desc.h> -#include <asm/kdebug.h> #include <asm/tlbflush.h> #include <asm/proto.h> #include <asm/nmi.h> diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c index 65ac2c6b34a6..cb9109113584 100644 --- a/arch/x86_64/kernel/stacktrace.c +++ b/arch/x86_64/kernel/stacktrace.c @@ -21,8 +21,7 @@ save_stack_warning_symbol(void *data, char *msg, unsigned long symbol) static int save_stack_stack(void *data, char *name) { - struct stack_trace *trace = (struct stack_trace *)data; - return trace->all_contexts ? 0 : -1; + return -1; } static void save_stack_address(void *data, unsigned long addr) @@ -46,11 +45,10 @@ static struct stacktrace_ops save_stack_ops = { /* * Save stack-backtrace addresses into a stack_trace buffer. */ -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { - dump_trace(task, NULL, NULL, &save_stack_ops, trace); + dump_trace(current, NULL, NULL, &save_stack_ops, trace); if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } EXPORT_SYMBOL(save_stack_trace); - diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c index f891931eb753..d067d9a2ad27 100644 --- a/arch/x86_64/kernel/sys_x86_64.c +++ b/arch/x86_64/kernel/sys_x86_64.c @@ -7,7 +7,6 @@ #include <linux/syscalls.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 0652e173813b..4a0895bacf51 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -363,7 +363,10 @@ void stop_timer_interrupt(void) } static struct irqaction irq0 = { - timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_IRQPOLL, + .mask = CPU_MASK_NONE, + .name = "timer" }; void __init time_init(void) diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index d76fc32d4599..8c2ac41187c1 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -32,6 +32,7 @@ #include <linux/unwind.h> #include <linux/uaccess.h> #include <linux/bug.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/io.h> @@ -39,7 +40,6 @@ #include <asm/debugreg.h> #include <asm/desc.h> #include <asm/i387.h> -#include <asm/kdebug.h> #include <asm/processor.h> #include <asm/unwind.h> #include <asm/smp.h> @@ -71,22 +71,6 @@ asmlinkage void alignment_check(void); asmlinkage void machine_check(void); asmlinkage void spurious_interrupt_bug(void); -ATOMIC_NOTIFIER_HEAD(die_chain); -EXPORT_SYMBOL(die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - vmalloc_sync_all(); - return atomic_notifier_chain_register(&die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); /* used modular by kdb */ - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* used modular by kdb */ - static inline void conditional_sti(struct pt_regs *regs) { if (regs->eflags & X86_EFLAGS_IF) @@ -792,6 +776,8 @@ asmlinkage __kprobes void default_do_nmi(struct pt_regs *regs) */ if (nmi_watchdog_tick(regs,reason)) return; + if (notify_die(DIE_NMI_POST, "nmi_post", regs, reason, 2, 0) + == NOTIFY_STOP) if (!do_nmi_callback(regs,cpu)) unknown_nmi_error(reason, regs); diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c index dc32cef96195..51d4c6fa88c8 100644 --- a/arch/x86_64/kernel/vsyscall.c +++ b/arch/x86_64/kernel/vsyscall.c @@ -327,7 +327,7 @@ static int __cpuinit cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg) { long cpu = (long)arg; - if (action == CPU_ONLINE) + if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN) smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1); return NOTIFY_DONE; } |
