Merge remote-tracking branch 'torvalds/master' into perf/core

To update the perf/core codebase.

Fix conflict by moving arch__post_evsel_config(evsel, attr) to the end
of evsel__config(), after what was added in:

  49c692b7 ("perf offcpu: Accept allowed sample types only")

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