diff --git a/[refs] b/[refs]
index c8ef8cdafc7a..1770d866d0e1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a13672fb30b46eaf9fa50357e1e863de00631401
+refs/heads/master: 0b9612c210f6bf6efb32ab84b8f34018eaacb08d
diff --git a/trunk/arch/powerpc/kernel/firmware.c b/trunk/arch/powerpc/kernel/firmware.c
index 1679a70bbcad..6b1f4271eb53 100644
--- a/trunk/arch/powerpc/kernel/firmware.c
+++ b/trunk/arch/powerpc/kernel/firmware.c
@@ -17,5 +17,5 @@
 
 #include <asm/firmware.h>
 
-unsigned long powerpc_firmware_features;
+unsigned long powerpc_firmware_features __read_mostly;
 EXPORT_SYMBOL_GPL(powerpc_firmware_features);