Merge commit 'v3.2-rc6' into perf/core

Merge reason: Update with the latest fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --cc Documentation/kernel-parameters.txt
Simple merge

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

diff --cc kernel/lockdep.c
Simple merge

diff --cc tools/perf/builtin-stat.c
Simple merge

diff --cc tools/perf/util/header.c
Simple merge