diff options
author | Alexander van Heukelum <heukelum@fastmail.fm> | 2008-10-04 23:12:40 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-10-13 10:33:39 +0200 |
commit | dd6e4eba1c03c9562fced21736453396c045f869 (patch) | |
tree | e9251e3616b96ff783b1ca88e274fadebf420d6c /arch/x86/kernel | |
parent | traps: x86: finalize unification of traps.c (diff) | |
download | linux-dd6e4eba1c03c9562fced21736453396c045f869.tar.xz linux-dd6e4eba1c03c9562fced21736453396c045f869.zip |
dumpstack: x86: move die_nmi to dumpstack_32.c
For some reason die_nmi is still defined in traps.c for
i386, but is found in dumpstack_64.c for x86_64. Move it
to dumpstack_32.c
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/dumpstack_32.c | 36 | ||||
-rw-r--r-- | arch/x86/kernel/traps.c | 37 |
2 files changed, 36 insertions, 37 deletions
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index c398b27df6cd..dc9ca7ee1c47 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -403,6 +403,42 @@ void die(const char *str, struct pt_regs *regs, long err) oops_end(flags, regs, SIGSEGV); } +static DEFINE_SPINLOCK(nmi_print_lock); + +void notrace __kprobes +die_nmi(char *str, struct pt_regs *regs, int do_panic) +{ + if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) + return; + + spin_lock(&nmi_print_lock); + /* + * We are in trouble anyway, lets at least try + * to get a message out: + */ + bust_spinlocks(1); + printk(KERN_EMERG "%s", str); + printk(" on CPU%d, ip %08lx, registers:\n", + smp_processor_id(), regs->ip); + show_registers(regs); + if (do_panic) + panic("Non maskable interrupt"); + console_silent(); + spin_unlock(&nmi_print_lock); + bust_spinlocks(0); + + /* + * If we are in kernel we are probably nested up pretty bad + * and might aswell get out now while we still can: + */ + if (!user_mode_vm(regs)) { + current->thread.trap_no = 2; + crash_kexec(regs); + } + + do_exit(SIGSEGV); +} + static int __init kstack_setup(char *s) { kstack_depth_to_print = simple_strtoul(s, NULL, 0); diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index ffb131f74f78..e062974cce34 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -429,43 +429,6 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs) printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); } -#ifdef CONFIG_X86_32 -static DEFINE_SPINLOCK(nmi_print_lock); - -void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic) -{ - if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) - return; - - spin_lock(&nmi_print_lock); - /* - * We are in trouble anyway, lets at least try - * to get a message out: - */ - bust_spinlocks(1); - printk(KERN_EMERG "%s", str); - printk(" on CPU%d, ip %08lx, registers:\n", - smp_processor_id(), regs->ip); - show_registers(regs); - if (do_panic) - panic("Non maskable interrupt"); - console_silent(); - spin_unlock(&nmi_print_lock); - bust_spinlocks(0); - - /* - * If we are in kernel we are probably nested up pretty bad - * and might aswell get out now while we still can: - */ - if (!user_mode_vm(regs)) { - current->thread.trap_no = 2; - crash_kexec(regs); - } - - do_exit(SIGSEGV); -} -#endif - static notrace __kprobes void default_do_nmi(struct pt_regs *regs) { unsigned char reason = 0; |