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| author |   Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-09-10 17:38:06 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2010-09-10 17:41:55 +0200 |
| commit | e5f4d3394a52ac351f1a479fe136d92fa5228eff (patch) | |
| tree | 57adeb66c5e98bf86613c15295e07cbb07952be3 /kernel/trace/trace_functions_graph.c | |
| parent | perf: Ensure we call add_event_to_ctx() with the right locks held (diff) | |
| download | linux-dev-e5f4d3394a52ac351f1a479fe136d92fa5228eff.tar.xz linux-dev-e5f4d3394a52ac351f1a479fe136d92fa5228eff.zip | |
perf: Fix perf_init_event()
We ought to return -ENOENT when non of the registered PMUs
recognise the requested event.
This fixes a boot crash that occurs if no PMU is available
but the NMI watchdog tries to register an event.
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions