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* [PATCH] Kdump i386 nmi event notification fix
@ 2006-05-15 17:48 Vivek Goyal
  2006-05-16 18:15 ` Andi Kleen
  0 siblings, 1 reply; 3+ messages in thread
From: Vivek Goyal @ 2006-05-15 17:48 UTC (permalink / raw)
  To: Morton Andrew Morton, linux kernel mailing list, Fastboot mailing list
  Cc: Andi Kleen, Don Zickus



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/i386/kernel/crash.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -puN arch/i386/kernel/crash.c~kdump-i386-nmi-event-notification-fix arch/i386/kernel/crash.c
--- linux-2.6.17-rc4-1M/arch/i386/kernel/crash.c~kdump-i386-nmi-event-notification-fix	2006-05-15 12:08:21.000000000 -0400
+++ linux-2.6.17-rc4-1M-vivek/arch/i386/kernel/crash.c	2006-05-15 13:25:09.000000000 -0400
@@ -102,7 +102,7 @@ static int crash_nmi_callback(struct not
 	struct pt_regs fixed_regs;
 	int cpu;
 
-	if (val != DIE_NMI)
+	if (val != DIE_NMI_IPI)
 		return NOTIFY_OK;
 
 	regs = ((struct die_args *)data)->regs;
@@ -113,7 +113,7 @@ 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();
 
 	if (!user_mode_vm(regs)) {
_

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] Kdump i386 nmi event notification fix
  2006-05-15 17:48 [PATCH] Kdump i386 nmi event notification fix Vivek Goyal
@ 2006-05-16 18:15 ` Andi Kleen
  2006-05-16 18:35   ` Andrew Morton
  0 siblings, 1 reply; 3+ messages in thread
From: Andi Kleen @ 2006-05-16 18:15 UTC (permalink / raw)
  To: Vivek Goyal
  Cc: Morton Andrew Morton, linux kernel mailing list,
	Fastboot mailing list, Don Zickus

On Mon, May 15, 2006 at 01:48:35PM -0400, Vivek Goyal wrote:
> 
> 
> o After a crash we should wait for NMI IPI event and not for external NMI
>   or NMI watchdog tick.

The two patches don't apply anymore after Don's big NMI rework.
Can you forward port and retest/resend please?  
-Andi

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] Kdump i386 nmi event notification fix
  2006-05-16 18:15 ` Andi Kleen
@ 2006-05-16 18:35   ` Andrew Morton
  0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2006-05-16 18:35 UTC (permalink / raw)
  To: Andi Kleen; +Cc: vgoyal, linux-kernel, fastboot, dzickus

Andi Kleen <ak@muc.de> wrote:
>
> On Mon, May 15, 2006 at 01:48:35PM -0400, Vivek Goyal wrote:
> > 
> > 
> > o After a crash we should wait for NMI IPI event and not for external NMI
> >   or NMI watchdog tick.
> 
> The two patches don't apply anymore after Don's big NMI rework.
> Can you forward port and retest/resend please?  

I have all this stuff queued up against your tree - I'll send it over.


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2006-05-16 18:32 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2006-05-15 17:48 [PATCH] Kdump i386 nmi event notification fix Vivek Goyal
2006-05-16 18:15 ` Andi Kleen
2006-05-16 18:35   ` Andrew Morton

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