diff options
| author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-03-28 19:11:22 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-28 21:36:43 -0500 |
| commit | 6108ccd3e2f3012d5eec582e0af4d75e693824da (patch) | |
| tree | 944465dbb375e98b628e799794ca60b8e0bed61e | |
| parent | 7d7185c818925ba5fe90efa75840d0b415032774 (diff) | |
[PATCH] relax sig_needs_tasklist()
handle_stop_signal() does not need tasklist_lock for SIG_KERNEL_STOP_MASK
signals anymore.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | kernel/signal.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 6ea49f742a2f..e99ec2f891a0 100644 --- a/kernel/signal.c +++ b/kernel/signal.c | |||
| @@ -146,8 +146,7 @@ static kmem_cache_t *sigqueue_cachep; | |||
| 146 | #define sig_kernel_stop(sig) \ | 146 | #define sig_kernel_stop(sig) \ |
| 147 | (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK)) | 147 | (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK)) |
| 148 | 148 | ||
| 149 | #define sig_needs_tasklist(sig) \ | 149 | #define sig_needs_tasklist(sig) ((sig) == SIGCONT) |
| 150 | (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK | M(SIGCONT))) | ||
| 151 | 150 | ||
| 152 | #define sig_user_defined(t, signr) \ | 151 | #define sig_user_defined(t, signr) \ |
| 153 | (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \ | 152 | (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \ |