Commits
Peter Zijlstra committed e5f4d3394a5
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>