Messages in this thread Patch in this message | | | Date | Thu, 23 Feb 2006 02:04:40 +0300 | From | Oleg Nesterov <> | Subject | [PATCH 2/6] relax sig_needs_tasklist() |
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handle_stop_signal() does not need tasklist_lock for SIG_KERNEL_STOP_MASK signals anymore.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
--- 2.6.16-rc3/kernel/signal.c~2_RELAX 2006-02-23 00:36:49.000000000 +0300 +++ 2.6.16-rc3/kernel/signal.c 2006-02-23 01:22:45.000000000 +0300 @@ -146,8 +146,7 @@ static kmem_cache_t *sigqueue_cachep; #define sig_kernel_stop(sig) \ (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK)) -#define sig_needs_tasklist(sig) \ - (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK | M(SIGCONT))) +#define sig_needs_tasklist(sig) ((sig) == SIGCONT) #define sig_user_defined(t, signr) \ (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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