commit 45807a1df9f51d28d0ff0c6bcf900c210411d7c9
author Ingo Molnar <mingo@elte.hu> Sun Jul 15 23:40:10 2007 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Mon Jul 16 09:05:43 2007 -0700
tree df70e9162ce50ada2393987ca2a5b5794dcbb644
parent 99fc06df72fe1c9ad3ec274720dcb5658c40bfd2

vdso: print fatal signals

Add the print-fatal-signals=1 boot option and the
/proc/sys/kernel/print-fatal-signals runtime switch.

This feature prints some minimal information about userspace segfaults to
the kernel console.  This is useful to find early bootup bugs where
userspace debugging is very hard.

Defaults to off.

[akpm@linux-foundation.org: Don't add new sysctl numbers]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>