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authorWANG Cong <xiyou.wangcong@gmail.com>2012-01-12 17:20:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-12 20:13:11 -0800
commita3dd3323058d281abd584b15ad4c5b65064d7a61 (patch)
tree98c65337f9960db2d0ca55687314bb821f3e7c1f /drivers/char
parent9512938b885304f72c847379611d6018064af840 (diff)
downloadlinux-a3dd3323058d281abd584b15ad4c5b65064d7a61.tar.gz
kexec: remove KMSG_DUMP_KEXEC
KMSG_DUMP_KEXEC is useless because we already save kernel messages inside
/proc/vmcore, and it is unsafe to allow modules to do other stuffs in a
crash dump scenario.

[akpm@linux-foundation.org: fix powerpc build]
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Reported-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/ramoops.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
index 7c7f42a1f880..feda90cdac9f 100644
--- a/drivers/char/ramoops.c
+++ b/drivers/char/ramoops.c
@@ -83,8 +83,7 @@ static void ramoops_do_dump(struct kmsg_dumper *dumper,
 	struct timeval timestamp;
 
 	if (reason != KMSG_DUMP_OOPS &&
-	    reason != KMSG_DUMP_PANIC &&
-	    reason != KMSG_DUMP_KEXEC)
+	    reason != KMSG_DUMP_PANIC)
 		return;
 
 	/* Only dump oopses if dump_oops is set */