| commit | 2c2d7329d8afa9efa3ec24e19a53e7be9d14f242 | [log] [tgz] |
|---|---|---|
| author | Frederic Weisbecker <fweisbec@gmail.com> | Tue Dec 16 22:08:58 2008 +0100 |
| committer | Ingo Molnar <mingo@elte.hu> | Wed Dec 17 00:26:35 2008 +0100 |
| tree | 12dd840eef0475e81e0dc8f616229a030d7caae4 | |
| parent | 9dfc3bc7d21864d47797d64b8d531d4dbbc0b618 [diff] |
tracing/ftrace: use preempt_enable_no_resched_notrace in ring_buffer_time_stamp() Impact: prevent a trace recursion After some tests with function graph tracer under x86-32, I saw some recursions caused by ring_buffer_time_stamp() that calls preempt_enable_no_notrace() which calls preempt_schedule() which is traced itself. This patch re-enables preemption without rescheduling. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>