Messages in this thread Patch in this message | | | Date | Mon, 15 May 2006 13:48:49 -0400 | From | Vivek Goyal <> | Subject | [PATCH] kdump x86_64 nmi event notification fix |
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o After a crash we should wait for NMI IPI event and not for external NMI or NMI watchdog tick.
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> ---
linux-2.6.17-rc4-1M-vivek/arch/x86_64/kernel/crash.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN arch/x86_64/kernel/crash.c~kdump-x86_64-nmi-event-notification-fix arch/x86_64/kernel/crash.c --- linux-2.6.17-rc4-1M/arch/x86_64/kernel/crash.c~kdump-x86_64-nmi-event-notification-fix 2006-05-15 13:26:41.000000000 -0400 +++ linux-2.6.17-rc4-1M-vivek/arch/x86_64/kernel/crash.c 2006-05-15 13:27:02.000000000 -0400 @@ -102,7 +102,7 @@ static int crash_nmi_callback(struct not struct pt_regs *regs; int cpu; - if (val != DIE_NMI) + if (val != DIE_NMI_IPI) return NOTIFY_OK; regs = ((struct die_args *)data)->regs; @@ -114,7 +114,7 @@ static int crash_nmi_callback(struct not * an NMI if system was initially booted with nmi_watchdog parameter. */ if (cpu == crashing_cpu) - return 1; + return NOTIFY_STOP; local_irq_disable(); crash_save_this_cpu(regs, cpu); _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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