Merge branch 'perf/urgent' into perf/core, to pick up fixes

With the cherry-picked perf/urgent commit merged separately we can now
merge all the fixes without conflicts.

Signed-off-by: Ingo Molnar <[email protected]>

diff --cc arch/x86/events/core.c
Simple merge

diff --cc arch/x86/events/intel/core.c
Simple merge

diff --cc arch/x86/events/intel/ds.c
Simple merge

diff --cc arch/x86/events/perf_event.h
Simple merge

diff --cc kernel/events/core.c
Simple merge