---

yaml --- r: 277481 b: refs/heads/master c: 96b0ee4 h: refs/heads/master i: 277479: a02bad0 v: v3
git-mirror · Dec 14, 2011 · a51fee2 · a51fee2
1 parent 2648eaf
commit a51fee2
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f72c1a576565a4927d650218e183ab5053ab8c3a
+refs/heads/master: 96b0ee4588036b6fa7cf38c17a9e40531241e895
diff --git a/trunk/arch/x86/kernel/microcode_amd.c b/trunk/arch/x86/kernel/microcode_amd.c
@@ -71,6 +71,9 @@ struct microcode_amd {
 
 static struct equiv_cpu_entry *equiv_cpu_table;
 
+/* page-sized ucode patch buffer */
+void *patch;
+
 static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
 {
 	struct cpuinfo_x86 *c = &cpu_data(cpu);
@@ -351,9 +354,14 @@ static struct microcode_ops microcode_amd_ops = {
 
 struct microcode_ops * __init init_amd_microcode(void)
 {
+	patch = (void *)get_zeroed_page(GFP_KERNEL);
+	if (!patch)
+		return NULL;
+
 	return &microcode_amd_ops;
 }
 
 void __exit exit_amd_microcode(void)
 {
+	free_page((unsigned long)patch);
 }