Merge tag 'perf-core-for-mingo' of...

Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

 into perf/core

Includes smaller fixes and improvements plus the exclude_{host,guest} feature
test and fallback to handle older kernels.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>