Commit dd8b1cf6 authored by Frederic Weisbecker's avatar Frederic Weisbecker
Browse files

perf: Remove pointless breakpoint union 



Remove pointless union in the breakpoint field of hw_perf_event.

Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
parent b67577df

include/linux/perf_event.h

+2 −3
Original line number Diff line number Diff line
@@ -487,9 +487,8 @@ struct hw_perf_event { 
			struct hrtimer	hrtimer;

		};

#ifdef CONFIG_HAVE_HW_BREAKPOINT

		union { /* breakpoint */

		/* breakpoint */

		struct arch_hw_breakpoint	info;

		};

#endif

	};

	atomic64_t			prev_count;

lib/Kconfig.debug

+5 −3
Original line number Diff line number Diff line
@@ -520,8 +520,10 @@ config LOCK_STAT 


	 For more details, see Documentation/lockstat.txt



	 You can analyze lock events with "perf lock", subcommand of perf.

	 If you want to use "perf lock", you need to turn on CONFIG_EVENT_TRACING.

	 This also enables lock events required by "perf lock",

	 subcommand of perf.

	 If you want to use "perf lock", you also need to turn on

	 CONFIG_EVENT_TRACING.



	 CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.

	 (CONFIG_LOCKDEP defines "acquire" and "release" events.)