diff options
Diffstat (limited to 'kernel/tracepoint.c')
-rw-r--r-- | kernel/tracepoint.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 1a6a453b7efb..9489a0a9b1be 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c | |||
@@ -597,7 +597,9 @@ void syscall_regfunc(void) | |||
597 | if (!sys_tracepoint_refcount) { | 597 | if (!sys_tracepoint_refcount) { |
598 | read_lock_irqsave(&tasklist_lock, flags); | 598 | read_lock_irqsave(&tasklist_lock, flags); |
599 | do_each_thread(g, t) { | 599 | do_each_thread(g, t) { |
600 | set_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT); | 600 | /* Skip kernel threads. */ |
601 | if (t->mm) | ||
602 | set_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT); | ||
601 | } while_each_thread(g, t); | 603 | } while_each_thread(g, t); |
602 | read_unlock_irqrestore(&tasklist_lock, flags); | 604 | read_unlock_irqrestore(&tasklist_lock, flags); |
603 | } | 605 | } |