---

yaml --- r: 199103 b: refs/heads/master c: 623aab8 h: refs/heads/master i: 199101: 9416ec1 199099: 03398ec 199095: 7ff3109 199087: aae1603 199071: 0a0898b 199039: 7634633 v: v3
git-mirror · May 19, 2010 · c9df853 · c9df853
1 parent 583b721
commit c9df853
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 151f85a471d29fc81f70348143d009a729901bc0
+refs/heads/master: 623aab896ee1a532cb540bcf0d5ae8a88275afd5
diff --git a/trunk/arch/x86/kernel/cpu/perf_event_p4.c b/trunk/arch/x86/kernel/cpu/perf_event_p4.c
@@ -670,7 +670,7 @@ static void p4_pmu_swap_config_ts(struct hw_perf_event *hwc, int cpu)
 
 /*
  * ESCR address hashing is tricky, ESCRs are not sequential
- * in memory but all starts from MSR_P4_BSU_ESCR0 (0x03e0) and
+ * in memory but all starts from MSR_P4_BSU_ESCR0 (0x03a0) and
  * the metric between any ESCRs is laid in range [0xa0,0xe1]
  *
  * so we make ~70% filled hashtable
@@ -735,8 +735,9 @@ static int p4_get_escr_idx(unsigned int addr)
 {
 	unsigned int idx = P4_ESCR_MSR_IDX(addr);
 
-	if (unlikely(idx >= P4_ESCR_MSR_TABLE_SIZE ||
-			!p4_escr_table[idx])) {
+	if (unlikely(idx >= P4_ESCR_MSR_TABLE_SIZE	||
+			!p4_escr_table[idx]		||
+			p4_escr_table[idx] != addr)) {
 		WARN_ONCE(1, "P4 PMU: Wrong address passed: %x\n", addr);
 		return -1;
 	}