---

yaml --- r: 218634 b: refs/heads/master c: f80c9e3 h: refs/heads/master v: v3
git-mirror · Oct 22, 2010 · 000d476 · 000d476
1 parent d2bfaea
commit 000d476
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Showing 3 changed files with 7 additions and 13 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6809b6ea73f7291f2e495d40397f1172c9caa77e
+refs/heads/master: f80c9e304b8e8062230b0cda2c2fdd586149c771
diff --git a/trunk/arch/x86/kernel/cpu/perf_event.c b/trunk/arch/x86/kernel/cpu/perf_event.c
@@ -382,7 +382,7 @@ static void release_pmc_hardware(void) {}
 
 #endif
 
-static int reserve_ds_buffers(void);
+static void reserve_ds_buffers(void);
 static void release_ds_buffers(void);
 
 static void hw_perf_event_destroy(struct perf_event *event)
@@ -546,11 +546,8 @@ static int __x86_pmu_event_init(struct perf_event *event)
 		if (atomic_read(&active_events) == 0) {
 			if (!reserve_pmc_hardware())
 				err = -EBUSY;
-			else {
-				err = reserve_ds_buffers();
-				if (err)
-					release_pmc_hardware();
-			}
+			else
+				reserve_ds_buffers();
 		}
 		if (!err)
 			atomic_inc(&active_events);

diff --git a/trunk/arch/x86/kernel/cpu/perf_event_intel_ds.c b/trunk/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -191,7 +191,7 @@ static void release_ds_buffers(void)
 	put_online_cpus();
 }
 
-static int reserve_ds_buffers(void)
+static void reserve_ds_buffers(void)
 {
 	int bts_err = 0, pebs_err = 0;
 	int cpu;
@@ -200,7 +200,7 @@ static int reserve_ds_buffers(void)
 	x86_pmu.pebs_active = 0;
 
 	if (!x86_pmu.bts && !x86_pmu.pebs)
-		return 0;
+		return;
 
 	if (!x86_pmu.bts)
 		bts_err = 1;
@@ -251,8 +251,6 @@ static int reserve_ds_buffers(void)
 	}
 
 	put_online_cpus();
-
-	return 0;
 }
 
 /*
@@ -714,9 +712,8 @@ static void intel_ds_init(void)
 
 #else /* CONFIG_CPU_SUP_INTEL */
 
-static int reserve_ds_buffers(void)
+static void reserve_ds_buffers(void)
 {
-	return 0;
 }
 
 static void release_ds_buffers(void)