powerpc: Make powerpc_firmware_features __read_mostly
We use firmware_has_feature quite a lot these days, so it's worth putting
powerpc_firmware_features into __read_mostly.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c
index 1679a70..6b1f427 100644
--- a/arch/powerpc/kernel/firmware.c
+++ b/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);
