diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 20931a892ace..d7d1adf735f4 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1054,10 +1054,11 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t, result = TRACE_SIGNAL_DELIVERED; /* - * fast-pathed signals for kernel-internal things like SIGSTOP - * or SIGKILL. + * Skip useless siginfo allocation for SIGKILL SIGSTOP, + * and kernel threads. */ - if ((info == SEND_SIG_FORCED) || (t->flags & PF_KTHREAD)) + if ((info == SEND_SIG_FORCED) || + sig_kernel_only(sig) || (t->flags & PF_KTHREAD)) goto out_set; /* |