diff options
| -rw-r--r-- | kernel/signal.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 819fa49aa70a..c5b65aa4c2bc 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -147,6 +147,9 @@ 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_user_defined(t, signr) \ (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \ ((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_IGN)) @@ -1199,7 +1202,7 @@ kill_proc_info(int sig, struct siginfo *info, pid_t pid) struct task_struct *p; rcu_read_lock(); - if (unlikely(sig_kernel_stop(sig) || sig == SIGCONT)) { + if (unlikely(sig_needs_tasklist(sig))) { read_lock(&tasklist_lock); acquired_tasklist_lock = 1; } |