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Message-ID: <4A55A4AE.3000206@mxs.nes.nec.co.jp>
Date: Thu, 09 Jul 2009 17:05:02 +0900
From: "Ken'ichi Ohmichi" <oomichi@....nes.nec.co.jp>
To: lkml <linux-kernel@...r.kernel.org>
CC: kexec-ml <kexec@...ts.infradead.org>
Subject: [PATCH] kdump: Enable kdump if 2nd-kernel is loaded.
Hi,
This patch enables a kdump if 2nd-kernel is loaded.
(The patch is based on linux-2.6.31-rc2.)
Now, a kdump is enabled if a kernel parameter "oops=panic" is specified and
2nd-kernel is loaded. I think that a kdump should be enabled regardless of
"oops=panic" if 2nd-kernel is loaded, because a system administrator loads
2nd-kernel for enabling a kdump.
* Reference
The discussion about this patch
http://lists.infradead.org/pipermail/kexec/2009-July/003417.html
Thanks
Ken'ichi Ohmichi
Signed-off-by: Ken'ichi Ohmichi <oomichi@....nes.nec.co.jp>
Acked-by: Simon Horman <horms@...ge.net.au>
---
--- a/kernel/kexec.c 2009-07-08 12:30:26.000000000 +0900
+++ b/kernel/kexec.c 2009-07-08 12:38:08.000000000 +0900
@@ -57,6 +57,8 @@ struct resource crashk_res = {
int kexec_should_crash(struct task_struct *p)
{
+ if (kexec_crash_image)
+ return 1;
if (in_interrupt() || !p->pid || is_global_init(p) || panic_on_oops)
return 1;
return 0;
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