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kexec: remove KMSG_DUMP_KEXEC

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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.

[[email protected]: fix powerpc build]
Signed-off-by: WANG Cong <[email protected]>
Reported-by: Vivek Goyal <[email protected]>
Acked-by: Vivek Goyal <[email protected]>
Acked-by: Jarod Wilson <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
WANG Cong 2012-01-12 17:20:11 -08:00 • committed by Linus Torvalds
commit a3dd332305
5 changed files with 2 additions and 9 deletions
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3
drivers/mtd/mtdoops.c
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@ -315,8 +315,7 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper,
char *dst;
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 */