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[PATCH] i386: Kdump i386 nmi event notification fix
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>
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1 changed files with 2 additions and 2 deletions
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@ -102,7 +102,7 @@ static int crash_nmi_callback(struct notifier_block *self,
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struct pt_regs fixed_regs;
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int cpu;
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if (val != DIE_NMI)
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if (val != DIE_NMI_IPI)
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return NOTIFY_OK;
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regs = ((struct die_args *)data)->regs;
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@ -113,7 +113,7 @@ static int crash_nmi_callback(struct notifier_block *self,
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* an NMI if system was initially booted with nmi_watchdog parameter.
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*/
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if (cpu == crashing_cpu)
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return 1;
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return NOTIFY_STOP;
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local_irq_disable();
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if (!user_mode_vm(regs)) {
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