Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools: Remove -Wcast-align
  perf tools: Fix compatibility with libelf 0.8 and autodetect
  perf events: Don't generate events for the idle task when exclude_idle is set
  perf events: Fix swevent hrtimer sampling by keeping track of remaining time when enabling/disabling swevent hrtimers

include/linux/perf_event.h

@@ -471,8 +471,8 @@ struct hw_perf_event {
 			unsigned long	event_base;
 			int		idx;
 		};
-		union { /* software */
-			atomic64_t	count;
+		struct { /* software */
+			s64		remaining;
 			struct hrtimer	hrtimer;
 		};
 	};