linux-kernel - [tip:perf/core] perf/x86-ibs: Rename some variables

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Message-ID: <tip-98112d2e957e0d348f06d8a40f2f720204a70b55@git.kernel.org>
Date:	Wed, 9 May 2012 07:34:53 -0700
From:	tip-bot for Robert Richter <robert.richter@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	robert.richter@....com, a.p.zijlstra@...llo.nl, tglx@...utronix.de
Subject: [tip:perf/core] perf/x86-ibs: Rename some variables

Commit-ID:  98112d2e957e0d348f06d8a40f2f720204a70b55
Gitweb:     http://git.kernel.org/tip/98112d2e957e0d348f06d8a40f2f720204a70b55
Author:     Robert Richter <robert.richter@....com>
AuthorDate: Mon, 2 Apr 2012 20:19:13 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 9 May 2012 15:23:14 +0200

perf/x86-ibs: Rename some variables

Simple patch that just renames some variables for better
understanding.

Signed-off-by: Robert Richter <robert.richter@....com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1333390758-10893-8-git-send-email-robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/perf_event_amd_ibs.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
index 34dfa85..29a1bff 100644
--- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
@@ -62,7 +62,7 @@ struct perf_ibs_data {
 };
 
 static int
-perf_event_set_period(struct hw_perf_event *hwc, u64 min, u64 max, u64 *count)
+perf_event_set_period(struct hw_perf_event *hwc, u64 min, u64 max, u64 *hw_period)
 {
 	s64 left = local64_read(&hwc->period_left);
 	s64 period = hwc->sample_period;
@@ -91,7 +91,7 @@ perf_event_set_period(struct hw_perf_event *hwc, u64 min, u64 max, u64 *count)
 	if (left > max)
 		left = max;
 
-	*count = (u64)left;
+	*hw_period = (u64)left;
 
 	return overflow;
 }
@@ -262,13 +262,13 @@ static int perf_ibs_init(struct perf_event *event)
 static int perf_ibs_set_period(struct perf_ibs *perf_ibs,
 			       struct hw_perf_event *hwc, u64 *period)
 {
-	int ret;
+	int overflow;
 
 	/* ignore lower 4 bits in min count: */
-	ret = perf_event_set_period(hwc, 1<<4, perf_ibs->max_period, period);
+	overflow = perf_event_set_period(hwc, 1<<4, perf_ibs->max_period, period);
 	local64_set(&hwc->prev_count, 0);
 
-	return ret;
+	return overflow;
 }
 
 static u64 get_ibs_fetch_count(u64 config)
--
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