diff options
81 files changed, 162 insertions, 328 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index f05e66b0f86..10ff36e4e41 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -245,8 +245,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) do_exit(SIGSEGV); } -void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, - unsigned long err, unsigned long trap) +void arm_notify_die(const char *str, struct pt_regs *regs, + struct siginfo *info, unsigned long err, unsigned long trap) { if (user_mode(regs)) { current->thread.error_code = err; @@ -330,7 +330,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) info.si_code = ILL_ILLOPC; info.si_addr = pc; - notify_die("Oops - undefined instruction", regs, &info, 0, 6); + arm_notify_die("Oops - undefined instruction", regs, &info, 0, 6); } asmlinkage void do_unexp_fiq (struct pt_regs *regs) @@ -384,7 +384,7 @@ static int bad_syscall(int n, struct pt_regs *regs) info.si_addr = (void __user *)instruction_pointer(regs) - (thumb_mode(regs) ? 2 : 4); - notify_die("Oops - bad syscall", regs, &info, n, 0); + arm_notify_die("Oops - bad syscall", regs, &info, n, 0); return regs->ARM_r0; } @@ -428,7 +428,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) info.si_code = SEGV_MAPERR; info.si_addr = NULL; - notify_die("branch through zero", regs, &info, 0, 0); + arm_notify_die("branch through zero", regs, &info, 0, 0); return 0; case NR(breakpoint): /* SWI BREAK_POINT */ @@ -564,7 +564,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) info.si_addr = (void __user *)instruction_pointer(regs) - (thumb_mode(regs) ? 2 : 4); - notify_die("Oops - bad syscall(2)", regs, &info, no, 0); + arm_notify_die("Oops - bad syscall(2)", regs, &info, no, 0); return 0; } @@ -638,7 +638,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs) info.si_code = ILL_ILLOPC; info.si_addr = (void __user *)addr; - notify_die("unknown data abort code", regs, &info, instr, 0); + arm_notify_die("unknown data abort code", regs, &info, instr, 0); } void __attribute__((noreturn)) __bug(const char *file, int line) diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 5d9ce7deb4a..75d491448e4 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -453,7 +453,7 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) info.si_errno = 0; info.si_code = inf->code; info.si_addr = (void __user *)addr; - notify_die("", regs, &info, fsr, 0); + arm_notify_die("", regs, &info, fsr, 0); } asmlinkage void __exception diff --git a/arch/avr32/kernel/kprobes.c b/arch/avr32/kernel/kprobes.c index d0abbcaf1c1..004c94b6fc1 100644 --- a/arch/avr32/kernel/kprobes.c +++ b/arch/avr32/kernel/kprobes.c @@ -15,7 +15,7 @@ #include <linux/ptrace.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/ocd.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe); diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index 6f4388f7c20..e8a3d7f01ba 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -21,7 +21,7 @@ #include <asm/uaccess.h> #include <asm/ocd.h> #include <asm/mmu_context.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> static struct pt_regs *get_user_regs(struct task_struct *tsk) { @@ -300,7 +300,7 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) else die_val = DIE_BREAKPOINT; - if (notify_die(die_val, regs, 0, SIGTRAP) == NOTIFY_STOP) + if (notify_die(die_val, "ptrace", regs, 0, 0, SIGTRAP) == NOTIFY_STOP) return; if (likely(ds & DS_SSS)) { diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c index 4f0382d8483..4de9edf96ed 100644 --- a/arch/avr32/kernel/traps.c +++ b/arch/avr32/kernel/traps.c @@ -20,20 +20,6 @@ #include <asm/sysreg.h> #include <asm/traps.h> -ATOMIC_NOTIFIER_HEAD(avr32_die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&avr32_die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&avr32_die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - static DEFINE_SPINLOCK(die_lock); void NORET_TYPE die(const char *str, struct pt_regs *regs, long err) diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c index 146ebdbdc30..88b00b15970 100644 --- a/arch/avr32/mm/fault.c +++ b/arch/avr32/mm/fault.c @@ -13,7 +13,7 @@ #include <linux/module.h> #include <linux/pagemap.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/mmu_context.h> #include <asm/sysreg.h> #include <asm/tlb.h> diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c index a5e0e990ea9..53589d1b1a0 100644 --- a/arch/i386/kernel/crash.c +++ b/arch/i386/kernel/crash.c @@ -22,7 +22,7 @@ #include <asm/nmi.h> #include <asm/hw_irq.h> #include <asm/apic.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <mach_ipi.h> diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index b545bc746fc..e00f75ecf1a 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -31,8 +31,8 @@ #include <linux/kprobes.h> #include <linux/ptrace.h> #include <linux/preempt.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/desc.h> #include <asm/uaccess.h> diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 33cf2f3c444..fba121f7973 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -23,10 +23,10 @@ #include <linux/kprobes.h> #include <linux/cpumask.h> #include <linux/kernel_stat.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <asm/nmi.h> -#include <asm/kdebug.h> #include "mach_traps.h" diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 58c8e015e77..4bec0cbf407 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -52,7 +52,7 @@ #include <asm/unwind.h> #include <asm/smp.h> #include <asm/arch_hooks.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/stacktrace.h> #include <linux/module.h> @@ -95,20 +95,6 @@ asmlinkage void machine_check(void); int kstack_depth_to_print = 24; static unsigned int code_bytes = 64; -ATOMIC_NOTIFIER_HEAD(i386die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - vmalloc_sync_all(); - return atomic_notifier_chain_register(&i386die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); /* used modular by kdb */ - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&i386die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* used modular by kdb */ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) { diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index f534c29e80b..ca0aa0cedc3 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -21,13 +21,14 @@ #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/highmem.h> #include <linux/bootmem.h> /* for max_low_pfn */ +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/kprobes.h> #include <linux/uaccess.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/desc.h> -#include <asm/kdebug.h> #include <asm/segment.h> extern void die(const char *,struct pt_regs *,long); diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c index 695f737516a..8e185208dfd 100644 --- a/arch/i386/oprofile/nmi_int.c +++ b/arch/i386/oprofile/nmi_int.c @@ -14,10 +14,10 @@ #include <linux/sysdev.h> #include <linux/slab.h> #include <linux/moduleparam.h> +#include <linux/kdebug.h> #include <asm/nmi.h> #include <asm/msr.h> #include <asm/apic.h> -#include <asm/kdebug.h> #include "op_counter.h" #include "op_x86_model.h" diff --git a/arch/i386/oprofile/nmi_timer_int.c b/arch/i386/oprofile/nmi_timer_int.c index abf0ba52a63..1418e36ae7a 100644 --- a/arch/i386/oprofile/nmi_timer_int.c +++ b/arch/i386/oprofile/nmi_timer_int.c @@ -12,12 +12,11 @@ #include <linux/errno.h> #include <linux/oprofile.h> #include <linux/rcupdate.h> - +#include <linux/kdebug.h> #include <asm/nmi.h> #include <asm/apic.h> #include <asm/ptrace.h> -#include <asm/kdebug.h> static int profile_timer_exceptions_notify(struct notifier_block *self, unsigned long val, void *data) diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index 80a94e70782..3d51a3f7701 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -16,8 +16,8 @@ #include <linux/elfcore.h> #include <linux/sysctl.h> #include <linux/init.h> +#include <linux/kdebug.h> -#include <asm/kdebug.h> #include <asm/mca.h> int kdump_status[NR_CPUS]; diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 6cb56dd4056..779fe00c902 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -29,9 +29,9 @@ #include <linux/slab.h> #include <linux/preempt.h> #include <linux/moduleloader.h> +#include <linux/kdebug.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/sections.h> #include <asm/uaccess.h> diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 491687f84fb..65e3b81a442 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -72,9 +72,9 @@ #include <linux/smp.h> #include <linux/workqueue.h> #include <linux/cpumask.h> +#include <linux/kdebug.h> #include <asm/delay.h> -#include <asm/kdebug.h> #include <asm/machvec.h> #include <asm/meminit.h> #include <asm/page.h> diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index ae96d417699..7ab36c772e2 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -27,13 +27,13 @@ #include <linux/efi.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/kdebug.h> #include <asm/cpu.h> #include <asm/delay.h> #include <asm/elf.h> #include <asm/ia32.h> #include <asm/irq.h> -#include <asm/kdebug.h> #include <asm/kexec.h> #include <asm/pgalloc.h> #include <asm/processor.h> diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index 765cbe5ba6a..5bfb8be02b7 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -16,33 +16,17 @@ #include <linux/hardirq.h> #include <linux/kprobes.h> #include <linux/delay.h> /* for ssleep() */ +#include <linux/kdebug.h> #include <asm/fpswa.h> #include <asm/ia32.h> #include <asm/intrinsics.h> #include <asm/processor.h> #include <asm/uaccess.h> -#include <asm/kdebug.h> fpswa_interface_t *fpswa_interface; EXPORT_SYMBOL(fpswa_interface); -ATOMIC_NOTIFIER_HEAD(ia64die_chain); - -int -register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&ia64die_chain, nb); -} -EXPORT_SYMBOL_GPL(register_die_notifier); - -int -unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&ia64die_chain, nb); -} -EXPORT_SYMBOL_GPL(unregister_die_notifier); - void __init trap_init (void) { diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 59f3ab93761..cb4791d17cc 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -10,12 +10,12 @@ #include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/pgtable.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/uaccess.h> -#include <asm/kdebug.h> extern void die (char *, struct pt_regs *, long); diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c index 68355ef6f84..e336e1692a7 100644 --- a/arch/ia64/sn/kernel/xpc_main.c +++ b/arch/ia64/sn/kernel/xpc_main.c @@ -55,9 +55,9 @@ #include <linux/delay.h> #include <linux/reboot.h> #include <linux/completion.h> +#include <linux/kdebug.h> #include <asm/sn/intr.h> #include <asm/sn/sn_sal.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> #include <asm/sn/xpc.h> @@ -1332,7 +1332,7 @@ xpc_init(void) dev_warn(xpc_part, "can't register reboot notifier\n"); } - /* add ourselves to the die_notifier list (i.e., ia64die_chain) */ + /* add ourselves to the die_notifier list */ ret = register_die_notifier(&xpc_die_notifier); if (ret != 0) { dev_warn(xpc_part, "can't register die notifier\n"); diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index ef647e7a9dc..2a2c696dcc7 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -30,8 +30,8 @@ #include <linux/ptrace.h> #include <linux/preempt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/sstep.h> #include <asm/uaccess.h> diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index f7862224fe8..bf6445ac9f1 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -33,8 +33,8 @@ #include <linux/kexec.h> #include <linux/backlight.h> #include <linux/bug.h> +#include <linux/kdebug.h> -#include <asm/kdebug.h> #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -72,20 +72,6 @@ EXPORT_SYMBOL(__debugger_dabr_match); EXPORT_SYMBOL(__debugger_fault_handler); #endif -ATOMIC_NOTIFIER_HEAD(powerpc_die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&powerpc_die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&powerpc_die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - /* * Trap & Exception support */ diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 03aeb3a4607..bec0cce79a7 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -28,6 +28,7 @@ #include <linux/highmem.h> #include <linux/module.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -36,7 +37,6 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <asm/tlbflush.h> -#include <asm/kdebug.h> #include <asm/siginfo.h> #ifdef CONFIG_KPROBES diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 23c61f6d965..8516a94d816 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -24,8 +24,8 @@ #include <linux/ptrace.h> #include <linux/preempt.h> #include <linux/stop_machine.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/sections.h> #include <asm/uaccess.h> #include <linux/module.h> diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 49dec830373..a750bcc69aa 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -27,6 +27,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <linux/kallsyms.h> #include <linux/reboot.h> #include <linux/kprobes.h> @@ -40,7 +41,6 @@ #include <asm/s390_ext.h> #include <asm/lowcore.h> #include <asm/debug.h> -#include <asm/kdebug.h> /* Called from entry.S only */ extern void handle_per_exception(struct pt_regs *regs); @@ -70,20 +70,6 @@ static int kstack_depth_to_print = 12; static int kstack_depth_to_print = 20; #endif /* CONFIG_64BIT */ -ATOMIC_NOTIFIER_HEAD(s390die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&s390die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&s390die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - /* * For show_trace we have tree different stack to consider: * - the panic stack which is used if the kernel stack has overflown diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 91f705adc3f..8b924b35977 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -20,6 +20,7 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> +#include <linux/kdebug.h> #include <linux/smp_lock.h> #include <linux/init.h> #include <linux/console.h> @@ -30,7 +31,6 @@ #include <asm/system.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/s390_ext.h> #ifndef CONFIG_64BIT diff --git a/arch/sparc/kernel/head.S b/arch/sparc/kernel/head.S index 9a219e8b5dd..97da13c5256 100644 --- a/arch/sparc/kernel/head.S +++ b/arch/sparc/kernel/head.S @@ -19,7 +19,7 @@ #include <asm/ptrace.h> #include <asm/psr.h> #include <asm/page.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/winmacro.h> #include <asm/thread_info.h> /* TI_UWINMASK */ #include <asm/errno.h> diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c index eccd8e87f52..64c0ed98820 100644 --- a/arch/sparc/kernel/setup.c +++ b/arch/sparc/kernel/setup.c @@ -31,6 +31,7 @@ #include <linux/spinlock.h> #include <linux/root_dev.h> #include <linux/cpu.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/io.h> @@ -40,7 +41,6 @@ #include <asm/pgtable.h> #include <asm/traps.h> #include <asm/vaddrs.h> -#include <asm/kdebug.h> #include <asm/mbus.h> #include <asm/idprom.h> #include <asm/machines.h> diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c index 527687afc1c..dc9ffea2a4f 100644 --- a/arch/sparc/kernel/traps.c +++ b/arch/sparc/kernel/traps.c @@ -15,6 +15,7 @@ #include <linux/signal.h> #include <linux/smp.h> #include <linux/smp_lock.h> +#include <linux/kdebug.h> #include <asm/delay.h> #include <asm/system.h> @@ -22,7 +23,6 @@ #include <asm/oplib.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/unistd.h> #include <asm/traps.h> diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c index 9eeed3347df..c133f270cf7 100644 --- a/arch/sparc/mm/fault.c +++ b/arch/sparc/mm/fault.c @@ -21,6 +21,7 @@ #include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/page.h> @@ -30,7 +31,6 @@ #include <asm/oplib.h> #include <asm/smp.h> #include <asm/traps.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> extern int prom_node_root; diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 0df7121cef0..e5eaa8072ae 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -18,13 +18,13 @@ #include <linux/bootmem.h> #include <linux/fs.h> #include <linux/seq_file.h> +#include <linux/kdebug.h> #include <asm/bitext.h> #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm/io.h> -#include <asm/kdebug.h> #include <asm/vaddrs.h> #include <asm/traps.h> #include <asm/smp.h> diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c index ae221f0d4a6..a44fe47a3c2 100644 --- a/arch/sparc64/kernel/kprobes.c +++ b/arch/sparc64/kernel/kprobes.c @@ -6,7 +6,7 @@ #include <linux/kernel.h> #include <linux/kprobes.h> #include <linux/module.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/signal.h> #include <asm/cacheflush.h> #include <asm/uaccess.h> diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index ad67784292d..64057fdfc7a 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -18,6 +18,7 @@ #include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/init.h> +#include <linux/kdebug.h> #include <asm/delay.h> #include <asm/system.h> @@ -36,26 +37,12 @@ #include <asm/psrcompat.h> #include <asm/processor.h> #include <asm/timer.h> -#include <asm/kdebug.h> #include <asm/head.h> #ifdef CONFIG_KMOD #include <linux/kmod.h> #endif #include <asm/prom.h> -ATOMIC_NOTIFIER_HEAD(sparc64die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&sparc64die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&sparc64die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* When an irrecoverable trap occurs at tl > 0, the trap entry * code logs the trap state registers at every level in the trap diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index 55ae802dc0a..7c36527b745 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -20,6 +20,7 @@ #include <linux/interrupt.h> #include <linux/kprobes.h> #include <linux/kallsyms.h> +#include <linux/kdebug.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -29,7 +30,6 @@ #include <asm/asi.h> #include <asm/lsu.h> #include <asm/sections.h> -#include <asm/kdebug.h> #include <asm/mmu_context.h> #ifdef CONFIG_KPROBES diff --git a/arch/x86_64/kernel/crash.c b/arch/x86_64/kernel/crash.c index 95a7a2c1313..13432a1ae90 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/kprobes.c b/arch/x86_64/kernel/kprobes.c index 209c8c0bec7..90e7008cd89 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); diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index fa267268247..442169640e4 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> diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 6cd2b30e2ff..931c64bad5e 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 0a762e10f2b..373ef66ca1d 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 4f21765078b..5909039f37a 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/reboot.c b/arch/x86_64/kernel/reboot.c index 2d676984745..c116b54d422 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/smpboot.c b/arch/x86_64/kernel/smpboot.c index 4d9dacfae57..193af9922c2 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -49,11 +49,11 @@ #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/traps.c b/arch/x86_64/kernel/traps.c index 0484a2ceac8..8c2ac41187c 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) diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index de99dba2c51..fd6ecc2cee3 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -21,16 +21,17 @@ #include <linux/tty.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/compiler.h> +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/kprobes.h> #include <linux/uaccess.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/pgalloc.h> #include <asm/smp.h> #include <asm/tlbflush.h> #include <asm/proto.h> -#include <asm/kdebug.h> #include <asm-generic/sections.h> /* Page fault error code bits */ diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 9e9c5de2e54..b6a972ed5bb 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -39,6 +39,7 @@ #include <linux/miscdevice.h> #include <linux/init.h> #include <linux/completion.h> +#include <linux/kdebug.h> #include <linux/rwsem.h> #include <linux/errno.h> #include <asm/uaccess.h> diff --git a/include/asm-alpha/kdebug.h b/include/asm-alpha/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-alpha/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-arm/kdebug.h b/include/asm-arm/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-arm/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index 63b3080bdac..25f84da4a97 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -93,7 +93,7 @@ void die(const char *msg, struct pt_regs *regs, int err) __attribute__((noreturn)); struct siginfo; -void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, +void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, unsigned long err, unsigned long trap); void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, diff --git a/include/asm-arm26/kdebug.h b/include/asm-arm26/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-arm26/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-avr32/kdebug.h b/include/asm-avr32/kdebug.h index f583b643ffb..de419278fc3 100644 --- a/include/asm-avr32/kdebug.h +++ b/include/asm-avr32/kdebug.h @@ -3,19 +3,6 @@ #include <linux/notifier.h> -struct pt_regs; - -struct die_args { - struct pt_regs *regs; - int trapnr; -}; - -int register_die_notifier(struct notifier_block *nb); -int unregister_die_notifier(struct notifier_block *nb); -int register_page_fault_notifier(struct notifier_block *nb); -int unregister_page_fault_notifier(struct notifier_block *nb); -extern struct atomic_notifier_head avr32_die_chain; - /* Grossly misnamed. */ enum die_val { DIE_FAULT, @@ -24,15 +11,7 @@ enum die_val { DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val, struct pt_regs *regs, - int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .trapnr = trap, - }; - - return atomic_notifier_call_chain(&avr32_die_chain, val, &args); -} +int register_page_fault_notifier(struct notifier_block *nb); +int unregister_page_fault_notifier(struct notifier_block *nb); #endif /* __ASM_AVR32_KDEBUG_H */ diff --git a/include/asm-cris/kdebug.h b/include/asm-cris/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-cris/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-frv/kdebug.h b/include/asm-frv/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-frv/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h new file mode 100644 index 00000000000..2b799c90b2d --- /dev/null +++ b/include/asm-generic/kdebug.h @@ -0,0 +1,8 @@ +#ifndef _ASM_GENERIC_KDEBUG_H +#define _ASM_GENERIC_KDEBUG_H + +enum die_val { + DIE_UNUSED, +}; + +#endif /* _ASM_GENERIC_KDEBUG_H */ diff --git a/include/asm-h8300/kdebug.h b/include/asm-h8300/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-h8300/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-i386/kdebug.h b/include/asm-i386/kdebug.h index 6e1c8e1b5e2..05c3117788b 100644 --- a/include/asm-i386/kdebug.h +++ b/include/asm-i386/kdebug.h @@ -9,19 +9,8 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head i386die_chain; /* Grossly misnamed. */ @@ -42,17 +31,4 @@ enum die_val { DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(&i386die_chain, val, &args); -} - #endif diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h index e16359f81a4..61fbf8578ff 100644 --- a/include/asm-i386/pgtable.h +++ b/include/asm-i386/pgtable.h @@ -243,8 +243,6 @@ static inline pte_t pte_mkyoung(pte_t pte) { (pte).pte_low |= _PAGE_ACCESSED; re static inline pte_t pte_mkwrite(pte_t pte) { (pte).pte_low |= _PAGE_RW; return pte; } static inline pte_t pte_mkhuge(pte_t pte) { (pte).pte_low |= _PAGE_PSE; return pte; } -extern void vmalloc_sync_all(void); - #ifdef CONFIG_X86_PAE # include <asm/pgtable-3level.h> #else diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h index aed7142f9e4..ba211e011a1 100644 --- a/include/asm-ia64/kdebug.h +++ b/include/asm-ia64/kdebug.h @@ -28,21 +28,8 @@ */ #include <linux/notifier.h> -struct pt_regs; - -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head ia64die_chain; enum die_val { DIE_BREAK = 1, @@ -74,18 +61,4 @@ enum die_val { DIE_KDUMP_LEAVE, }; -static inline int notify_die(enum die_val val, char *str, struct pt_regs *regs, - long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - - return atomic_notifier_call_chain(&ia64die_chain, val, &args); -} - #endif diff --git a/include/asm-m32r/kdebug.h b/include/asm-m32r/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-m32r/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-m68k/kdebug.h b/include/asm-m68k/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-m68k/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-m68knommu/kdebug.h b/include/asm-m68knommu/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-m68knommu/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-mips/kdebug.h b/include/asm-mips/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-mips/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-parisc/kdebug.h b/include/asm-parisc/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-parisc/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-powerpc/kdebug.h b/include/asm-powerpc/kdebug.h index 532bfee934f..1c73d2ec9b5 100644 --- a/include/asm-powerpc/kdebug.h +++ b/include/asm-powerpc/kdebug.h @@ -6,18 +6,6 @@ #include <linux/notifier.h> -struct pt_regs; - -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); extern struct atomic_notifier_head powerpc_die_chain; @@ -32,11 +20,5 @@ enum die_val { DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig) -{ - struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig }; - return atomic_notifier_call_chain(&powerpc_die_chain, val, &args); -} - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_KDEBUG_H */ diff --git a/include/asm-ppc/kdebug.h b/include/asm-ppc/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-ppc/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h index d2d7ad27614..04418af08f8 100644 --- a/include/asm-s390/kdebug.h +++ b/include/asm-s390/kdebug.h @@ -8,21 +8,6 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -/* Note - you should never unregister because that can race with NMIs. - * If you really want to do it first unregister - then synchronize_sched - * - then free. - */ -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); - /* * These are only here because kprobes.c wants them to implement a * blatant layering violation. Will hopefully go away soon once all @@ -37,8 +22,6 @@ static inline int unregister_page_fault_notifier(struct notifier_block *nb) return 0; } -extern struct atomic_notifier_head s390die_chain; - enum die_val { DIE_OOPS = 1, DIE_BPT, @@ -54,19 +37,6 @@ enum die_val { DIE_NMI_IPI, }; -static inline int notify_die(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(&s390die_chain, val, &args); -} - extern void die(const char *, struct pt_regs *, long); #endif diff --git a/include/asm-sh/kdebug.h b/include/asm-sh/kdebug.h index ef009baf5a1..493c2062974 100644 --- a/include/asm-sh/kdebug.h +++ b/include/asm-sh/kdebug.h @@ -2,6 +2,7 @@ #define __ASM_SH_KDEBUG_H #include <linux/notifier.h> +#include <asm-generic/kdebug.h> struct pt_regs; diff --git a/include/asm-sh64/kdebug.h b/include/asm-sh64/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-sh64/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-sparc/kdebug.h b/include/asm-sparc/kdebug.h index fba92485fdb..404d8076732 100644 --- a/include/asm-sparc/kdebug.h +++ b/include/asm-sparc/kdebug.h @@ -66,4 +66,8 @@ static inline void sp_enter_debugger(void) #define KDEBUG_DUNNO2_OFF 0x8 #define KDEBUG_TEACH_OFF 0xc +enum die_val { + DIE_UNUSED, +}; + #endif /* !(_SPARC_KDEBUG_H) */ diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h index 11251bdd00c..f8032e73f38 100644 --- a/include/asm-sparc64/kdebug.h +++ b/include/asm-sparc64/kdebug.h @@ -7,19 +7,8 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head sparc64die_chain; extern void bad_trap(struct pt_regs *, long); @@ -36,16 +25,4 @@ enum die_val { DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val,char *str, struct pt_regs *regs, - long err, int trap, int sig) -{ - struct die_args args = { .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig }; - - return atomic_notifier_call_chain(&sparc64die_chain, val, &args); -} - #endif diff --git a/include/asm-um/kdebug.h b/include/asm-um/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-um/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-v850/kdebug.h b/include/asm-v850/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-v850/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-x86_64/kdebug.h b/include/asm-x86_64/kdebug.h index e9ce163b155..74feae945a2 100644 --- a/include/asm-x86_64/kdebug.h +++ b/include/asm-x86_64/kdebug.h @@ -5,19 +5,8 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head die_chain; /* Grossly misnamed. */ enum die_val { @@ -37,19 +26,6 @@ enum die_val { DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(&die_chain, val, &args); -} - extern void printk_address(unsigned long address); extern void die(const char *,struct pt_regs *,long); extern void __die(const char *,struct pt_regs *,long); diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index da3390faaea..5f75ee5379a 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -411,7 +411,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) extern spinlock_t pgd_lock; extern struct list_head pgd_list; -void vmalloc_sync_all(void); extern int kern_addr_valid(unsigned long addr); diff --git a/include/asm-xtensa/kdebug.h b/include/asm-xtensa/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-xtensa/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/linux/kdebug.h b/include/linux/kdebug.h new file mode 100644 index 00000000000..5db38d6d8b9 --- /dev/null +++ b/include/linux/kdebug.h @@ -0,0 +1,20 @@ +#ifndef _LINUX_KDEBUG_H +#define _LINUX_KDEBUG_H + +#include <asm/kdebug.h> + +struct die_args { + struct pt_regs *regs; + const char *str; + long err; + int trapnr; + int signr; +}; + +int register_die_notifier(struct notifier_block *nb); +int unregister_die_notifier(struct notifier_block *nb); + +int notify_die(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig); + +#endif /* _LINUX_KDEBUG_H */ diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 924e502905d..4b7ee83787c 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -53,6 +53,7 @@ extern void vunmap(void *addr); extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, unsigned long pgoff); +void vmalloc_sync_all(void); /* * Lowlevel-APIs (not for driver use!) diff --git a/kernel/Makefile b/kernel/Makefile index ac6b27abb1a..642d4277c2e 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -8,7 +8,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.o \ signal.o sys.o kmod.o workqueue.o pid.o \ rcupdate.o extable.o params.o posix-timers.o \ kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ - hrtimer.o rwsem.o latency.o nsproxy.o srcu.o + hrtimer.o rwsem.o latency.o nsproxy.o srcu.o die_notifier.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-y += time/ diff --git a/kernel/die_notifier.c b/kernel/die_notifier.c new file mode 100644 index 00000000000..0d98827887a --- /dev/null +++ b/kernel/die_notifier.c @@ -0,0 +1,38 @@ + +#include <linux/module.h> +#include <linux/notifier.h> +#include <linux/vmalloc.h> +#include <linux/kdebug.h> + + +static ATOMIC_NOTIFIER_HEAD(die_chain); + +int notify_die(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig) +{ + struct die_args args = { + .regs = regs, + .str = str, + .err = err, + .trapnr = trap, + .signr = sig, + + }; + + return atomic_notifier_call_chain(&die_chain, val, &args); +} + +int register_die_notifier(struct notifier_block *nb) +{ + vmalloc_sync_all(); + return atomic_notifier_chain_register(&die_chain, nb); +} +EXPORT_SYMBOL_GPL(register_die_notifier); + +int unregister_die_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&die_chain, nb); +} +EXPORT_SYMBOL_GPL(unregister_die_notifier); + + diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 6c86d67ed1a..0207045b4f6 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -42,10 +42,10 @@ #include <linux/freezer.h> #include <linux/seq_file.h> #include <linux/debugfs.h> +#include <linux/kdebug.h> #include <asm-generic/sections.h> #include <asm/cacheflush.h> #include <asm/errno.h> -#include <asm/kdebug.h> #define KPROBE_HASH_BITS 6 #define KPROBE_TABLE_SIZE (1 << KPROBE_HASH_BITS) diff --git a/mm/nommu.c b/mm/nommu.c index 1f60194d9b9..2b16b00a5b1 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -262,6 +262,14 @@ void vunmap(void *addr) } /* + * Implement a stub for vmalloc_sync_all() if the architecture chose not to + * have one. + */ +void __attribute__((weak)) vmalloc_sync_all(void) +{ +} + +/* * sys_brk() for the most part doesn't need the global kernel * lock, except when an application is doing something nasty * like trying to un-brk an area that has already been mapped diff --git a/mm/vmalloc.c b/mm/vmalloc.c index cb5aabda704..faa2a521dea 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -755,3 +755,10 @@ out_einval_locked: } EXPORT_SYMBOL(remap_vmalloc_range); +/* + * Implement a stub for vmalloc_sync_all() if the architecture chose not to + * have one. + */ +void __attribute__((weak)) vmalloc_sync_all(void) +{ +} |