diff options
| -rw-r--r-- | arch/i386/kernel/nmi.c | 5 | ||||
| -rw-r--r-- | arch/i386/kernel/traps.c | 4 | ||||
| -rw-r--r-- | include/asm-i386/kdebug.h | 11 |
3 files changed, 17 insertions, 3 deletions
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 8c242bb1ef4..8bbdbda07a2 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -501,8 +501,11 @@ void nmi_watchdog_tick (struct pt_regs * regs) */ alert_counter[cpu]++; if (alert_counter[cpu] == 5*nmi_hz) + /* + * die_nmi will return ONLY if NOTIFY_STOP happens.. + */ die_nmi(regs, "NMI Watchdog detected LOCKUP"); - } else { + last_irq_sums[cpu] = sum; alert_counter[cpu] = 0; } diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index b2b4bb890bb..54629bb5893 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -565,6 +565,10 @@ static DEFINE_SPINLOCK(nmi_print_lock); void die_nmi (struct pt_regs *regs, const char *msg) { + if (notify_die(DIE_NMIWATCHDOG, msg, regs, 0, 0, SIGINT) == + NOTIFY_STOP) + return; + spin_lock(&nmi_print_lock); /* * We are in trouble anyway, lets at least try diff --git a/include/asm-i386/kdebug.h b/include/asm-i386/kdebug.h index b3f8d5f59d5..316138e8991 100644 --- a/include/asm-i386/kdebug.h +++ b/include/asm-i386/kdebug.h @@ -41,9 +41,16 @@ 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) +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 }; + struct die_args args = { + .regs = regs, + .str = str, + .err = err, + .trapnr = trap, + .signr = sig + }; return notifier_call_chain(&i386die_chain, val, &args); } |