---

yaml --- r: 147451 b: refs/heads/master c: a026dfe h: refs/heads/master i: 147449: 9d2a22f 147447: df72c8e v: v3
git-mirror · May 15, 2009 · dd80159 · dd80159
1 parent 7c9287e
commit dd80159
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f5a5a2f6e69e88647ae12da39f0ff3a510bcf0a6
+refs/heads/master: a026dfecc035f213c1cfa0bf6407ce3155f6a9df
diff --git a/trunk/arch/x86/kernel/cpu/perf_counter.c b/trunk/arch/x86/kernel/cpu/perf_counter.c
@@ -280,8 +280,11 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
 	 * If privileged enough, allow NMI events:
 	 */
 	hwc->nmi = 0;
-	if (capable(CAP_SYS_ADMIN) && hw_event->nmi)
+	if (hw_event->nmi) {
+		if (sysctl_perf_counter_priv && !capable(CAP_SYS_ADMIN))
+			return -EACCES;
 		hwc->nmi = 1;
+	}
 
 	hwc->irq_period	= hw_event->irq_period;
 	if ((s64)hwc->irq_period <= 0 || hwc->irq_period > x86_pmu.max_period)