Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH for review] [21/145] x86_64: kdump x86_64 nmi event notification fix | Date | Thu, 10 Aug 2006 21:35:34 +0200 (CEST) |
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From: Vivek Goyal <vgoyal@in.ibm.com>
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> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Don Zickus <dzickus@redhat.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> ---
arch/x86_64/kernel/crash.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
Index: linux/arch/x86_64/kernel/crash.c =================================================================== --- linux.orig/arch/x86_64/kernel/crash.c +++ linux/arch/x86_64/kernel/crash.c @@ -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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