linux-kernel - [PATCH] perf_counter: call atomic64

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Message-ID: <18951.48285.270311.981806@drongo.ozlabs.ibm.com>
Date:	Mon, 11 May 2009 15:50:21 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] perf_counter: call atomic64_set for counter->count

This fixes a compile warning where we are calling
atomic_set(&counter->count).  Since counter->count is an atomic64_t,
we have to use atomic64_set.

[ Impact: fix type mismatch bug ]

Signed-off-by: Paul Mackerras <paulus@...ba.org>
---

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 7373b96..5ea0240 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -1281,7 +1281,7 @@ static unsigned int perf_poll(struct file *file, poll_table *wait)
 static void perf_counter_reset(struct perf_counter *counter)
 {
 	(void)perf_counter_read(counter);
-	atomic_set(&counter->count, 0);
+	atomic64_set(&counter->count, 0);
 	perf_counter_update_userpage(counter);
 }
 
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