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authorOleg Nesterov <oleg@tv-sign.ru>2008-04-30 03:52:45 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 11:29:34 -0400
commit6ca25b551309eb1b1b41f83414a92f7472e0b23d (patch)
treea2c5785ec484ec997ac6a03d3fceae04e4d21795 /include
parente442055193e4584218006e616c9bdce0c5e9ae5c (diff)
kill_pid_info: don't take now unneeded tasklist_lock
Previously handle_stop_signal(SIGCONT) could drop ->siglock. That is why kill_pid_info(SIGCONT) takes tasklist_lock to make sure the target task can't go away after unlock. Not needed now. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Roland McGrath <roland@redhat.com> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/signal.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 42d2e0a948f4..84f997f8aa53 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -362,8 +362,6 @@ int unhandled_signal(struct task_struct *tsk, int sig);
362#define sig_kernel_stop(sig) \ 362#define sig_kernel_stop(sig) \
363 (((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_STOP_MASK)) 363 (((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_STOP_MASK))
364 364
365#define sig_needs_tasklist(sig) ((sig) == SIGCONT)
366
367#define sig_user_defined(t, signr) \ 365#define sig_user_defined(t, signr) \
368 (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \ 366 (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \
369 ((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_IGN)) 367 ((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_IGN))