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Date: Sat, 27 Feb 2010 19:25:32 +0100 From: Frederic Weisbecker <fweisbec@...il.com> To: Ingo Molnar <mingo@...e.hu> Cc: LKML <linux-kernel@...r.kernel.org>, Frederic Weisbecker <fweisbec@...il.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Paul Mackerras <paulus@...ba.org> Subject: [PATCH 4/5] perf: Remove pointless breakpoint union Remove pointless union in the breakpoint field of hw_perf_event. Signed-off-by: Frederic Weisbecker <fweisbec@...il.com> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Paul Mackerras <paulus@...ba.org> --- include/linux/perf_event.h | 5 ++--- lib/Kconfig.debug | 8 +++++--- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 7b18b4f..04f06b4 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -487,9 +487,8 @@ struct hw_perf_event { struct hrtimer hrtimer; }; #ifdef CONFIG_HAVE_HW_BREAKPOINT - union { /* breakpoint */ - struct arch_hw_breakpoint info; - }; + /* breakpoint */ + struct arch_hw_breakpoint info; #endif }; atomic64_t prev_count; diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 65f964e..4dc24cc 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -520,11 +520,13 @@ 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.) + (CONFIG_LOCKDEP defines "acquire" and "release" events.) config DEBUG_LOCKDEP bool "Lock dependency engine debugging" -- 1.6.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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