---

yaml --- r: 375641 b: refs/heads/master c: 074d72f h: refs/heads/master i: 375639: 6bfcf73 v: v3
git-mirror · May 9, 2013 · eeb5575 · eeb5575
1 parent bef55c7
commit eeb5575
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 97a5b81fa4d3a11dcdf224befc577f2e0abadc0b
+refs/heads/master: 074d72ff57f65de779e2f70d5906964c0ba1c123
diff --git a/trunk/arch/x86/kernel/microcode_intel_early.c b/trunk/arch/x86/kernel/microcode_intel_early.c
@@ -487,6 +487,7 @@ static inline void show_saved_mc(void)
 #endif
 
 #if defined(CONFIG_MICROCODE_INTEL_EARLY) && defined(CONFIG_HOTPLUG_CPU)
+static DEFINE_MUTEX(x86_cpu_microcode_mutex);
 /*
  * Save this mc into mc_saved_data. So it will be loaded early when a CPU is
  * hot added or resumes.
@@ -507,7 +508,7 @@ int save_mc_for_early(u8 *mc)
 	 * Hold hotplug lock so mc_saved_data is not accessed by a CPU in
 	 * hotplug.
 	 */
-	cpu_hotplug_driver_lock();
+	mutex_lock(&x86_cpu_microcode_mutex);
 
 	mc_saved_count_init = mc_saved_data.mc_saved_count;
 	mc_saved_count = mc_saved_data.mc_saved_count;
@@ -544,7 +545,7 @@ int save_mc_for_early(u8 *mc)
 	}
 
 out:
-	cpu_hotplug_driver_unlock();
+	mutex_unlock(&x86_cpu_microcode_mutex);
 
 	return ret;
 }