korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-22 05:44:31 +08:00
Code Issues Packages Projects Releases Wiki Activity

[PATCH] kdump x86_64 nmi event notification fix

Browse Source 
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>
This commit is contained in:
Vivek Goyal 2006-09-26 10:52:27 +02:00 committed by Andi Kleen
parent c7c19f8e5e
commit 3f22c5789e
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86_64/kernel/crash.c
View File

@ -102,7 +102,7 @@ static int crash_nmi_callback(struct notifier_block *self,
struct pt_regs *regs; struct pt_regs *regs;
int cpu; int cpu;
if (val != DIE_NMI) if (val != DIE_NMI_IPI)
return NOTIFY_OK; return NOTIFY_OK;
regs = ((struct die_args *)data)->regs; 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. * an NMI if system was initially booted with nmi_watchdog parameter.
*/ */
if (cpu == crashing_cpu) if (cpu == crashing_cpu)
return 1; return NOTIFY_STOP;
local_irq_disable(); local_irq_disable();
crash_save_this_cpu(regs, cpu); crash_save_this_cpu(regs, cpu);