---

yaml --- r: 71701 b: refs/heads/master c: 124d395 h: refs/heads/master i: 71699: 021acf6 v: v3
git-mirror · Oct 19, 2007 · c90ccad · c90ccad
1 parent 190ae17
commit c90ccad
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Showing 2 changed files with 13 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 71b31233a215be27e2efbcc0e739cbebb0bde078
+refs/heads/master: 124d395fd05efb65d00ca23c7bcc86c272bd8813
diff --git a/trunk/arch/x86/kernel/cpu/perfctr-watchdog.c b/trunk/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -120,7 +120,9 @@ int reserve_perfctr_nmi(unsigned int msr)
 	unsigned int counter;
 
 	counter = nmi_perfctr_msr_to_bit(msr);
-	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+	/* register not managed by the allocator? */
+	if (counter > NMI_MAX_COUNTER_BITS)
+		return 1;
 
 	if (!test_and_set_bit(counter, perfctr_nmi_owner))
 		return 1;
@@ -132,7 +134,9 @@ void release_perfctr_nmi(unsigned int msr)
 	unsigned int counter;
 
 	counter = nmi_perfctr_msr_to_bit(msr);
-	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+	/* register not managed by the allocator? */
+	if (counter > NMI_MAX_COUNTER_BITS)
+		return;
 
 	clear_bit(counter, perfctr_nmi_owner);
 }
@@ -142,7 +146,9 @@ int reserve_evntsel_nmi(unsigned int msr)
 	unsigned int counter;
 
 	counter = nmi_evntsel_msr_to_bit(msr);
-	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+	/* register not managed by the allocator? */
+	if (counter > NMI_MAX_COUNTER_BITS)
+		return 1;
 
 	if (!test_and_set_bit(counter, evntsel_nmi_owner))
 		return 1;
@@ -154,7 +160,9 @@ void release_evntsel_nmi(unsigned int msr)
 	unsigned int counter;
 
 	counter = nmi_evntsel_msr_to_bit(msr);
-	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+	/* register not managed by the allocator? */
+	if (counter > NMI_MAX_COUNTER_BITS)
+		return;
 
 	clear_bit(counter, evntsel_nmi_owner);
 }