Commit 3f22c578 authored by Vivek Goyal's avatar Vivek Goyal Committed by Andi Kleen
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[PATCH] kdump x86_64 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: default avatarVivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
parent c7c19f8e
......@@ -102,7 +102,7 @@ static int crash_nmi_callback(struct notifier_block *self,
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 notifier_block *self,
* 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);
......
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