[PATCH v3 14/21] powerpc: Call jump_label_init() in apply_feature_fixups()

[Michael Ellerman]

From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>

Call jump_label_init() early so that we can use static keys for CPU and
MMU feature checks.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 arch/powerpc/lib/feature-fixups.c | 8 ++++++++
 1 file changed, 8 insertions(+)

v3: Updated comment.

diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
index 854b8ba40f8e..2a1904739843 100644
--- a/arch/powerpc/lib/feature-fixups.c
+++ b/arch/powerpc/lib/feature-fixups.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/jump_label.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
@@ -187,6 +188,13 @@ void __init apply_feature_fixups(void)
 			  &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
 #endif
 	do_final_fixups();
+
+	/*
+	 * Initialise jump label. This causes all the cpu/mmu_has_feature()
+	 * checks to take on their correct polarity based on the current set of
+	 * CPU/MMU features.
+	 */
+	jump_label_init();
 }
 
 static int __init check_features(void)
-- 
2.7.4