---

yaml --- r: 37568 b: refs/heads/master c: 4090959 h: refs/heads/master v: v3
git-mirror · Sep 30, 2006 · 60c23d0 · 60c23d0
1 parent b705c4e
commit 60c23d0
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Showing 2 changed files with 5 additions and 16 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cf342e52e3117391868fb4bd900ce772a27a5a1a
+refs/heads/master: 4090959aee403817ff386415f9bc602c1a0882ef
diff --git a/trunk/block/blktrace.c b/trunk/block/blktrace.c
@@ -476,6 +476,9 @@ static void blk_check_time(unsigned long long *t)
 	*t -= (a + b) / 2;
 }
 
+/*
+ * calibrate our inter-CPU timings
+ */
 static void blk_trace_check_cpu_time(void *data)
 {
 	unsigned long long *t;
@@ -493,20 +496,6 @@ static void blk_trace_check_cpu_time(void *data)
 	put_cpu();
 }
 
-/*
- * Call blk_trace_check_cpu_time() on each CPU to calibrate our inter-CPU
- * timings
- */
-static void blk_trace_calibrate_offsets(void)
-{
-	unsigned long flags;
-
-	smp_call_function(blk_trace_check_cpu_time, NULL, 1, 1);
-	local_irq_save(flags);
-	blk_trace_check_cpu_time(NULL);
-	local_irq_restore(flags);
-}
-
 static void blk_trace_set_ht_offsets(void)
 {
 #if defined(CONFIG_SCHED_SMT)
@@ -535,7 +524,7 @@ static void blk_trace_set_ht_offsets(void)
 static __init int blk_trace_init(void)
 {
 	mutex_init(&blk_tree_mutex);
-	blk_trace_calibrate_offsets();
+	on_each_cpu(blk_trace_check_cpu_time, NULL, 1, 1);
 	blk_trace_set_ht_offsets();
 
 	return 0;