tree fcfd50780b438d0ec04830faa857de9b86665e76
parent 0835ab53eab5bbeebe1c135e92fb0c4d483dde17
author Srinivasa Ds <srinivasa@in.ibm.com> 1203809044 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1203815604 -0800

kprobes: refuse kprobe insertion on add/sub_preempt_counter()

Kprobes makes use of preempt_disable(),preempt_enable_noresched() and these
functions inturn call add/sub_preempt_count().  So we need to refuse user from
inserting probe in to these functions.

This patch disallows user from probing add/sub_preempt_count().

Signed-off-by: Srinivasa DS <srinivasa@in.ibm.com>
Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>