diff --git a/[refs] b/[refs]
index dbb8753f5714..9c2bcdb7f014 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7b0c2d92180dbd9c7cd0c4b9bd38b06bb0f12843
+refs/heads/master: 9f22271898707aed2f84cc75ab3bd109173cdbbf
diff --git a/trunk/drivers/acpi/processor_core.c b/trunk/drivers/acpi/processor_core.c
index 713b763884a9..ab00afec26f7 100644
--- a/trunk/drivers/acpi/processor_core.c
+++ b/trunk/drivers/acpi/processor_core.c
@@ -110,7 +110,7 @@ static struct file_operations acpi_processor_info_fops = {
 };
 
 struct acpi_processor *processors[NR_CPUS];
-struct acpi_processor_errata errata;
+struct acpi_processor_errata errata __read_mostly;
 
 /* --------------------------------------------------------------------------
                                 Errata Handling