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

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

 * Fix cleanup in case of kzalloc failure, from Daniel Baluta.

 * Limit unwind support to x86 archs, fix from Jiri Olsa.

 * Initial GTK+ annotate browser, from Namhyung Kim.

 * Fix build with bison 2.3 and older, from Vinson Lee.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>