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[PATCH] signal handling: revert sigkill priority fix

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This patch reverts commit c33880aadd since
it's not needed anymore. As pointed out by Roland McGrath the real fix
is to deliver all signals before returning to user space.
See http://www.ussg.iu.edu/hypermail/linux/kernel/0509.2/0683.html
A fix for s390 has been merged.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens 2005-11-13 16:07:14 -08:00 committed by Linus Torvalds
parent ba260e23ef
commit b17b0421d7
1 changed files with 1 additions and 10 deletions
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11
kernel/signal.c
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@ -513,16 +513,7 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask,
{
int sig = 0;
/* SIGKILL must have priority, otherwise it is quite easy
* to create an unkillable process, sending sig < SIGKILL
* to self */
if (unlikely(sigismember(&pending->signal, SIGKILL))) {
if (!sigismember(mask, SIGKILL))
sig = SIGKILL;
}
if (likely(!sig))
sig = next_signal(pending, mask);
sig = next_signal(pending, mask);
if (sig) {
if (current->notifier) {
if (sigismember(current->notifier_mask, sig)) {