From patchwork series 424550

https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=424550

Author: Fox Snowpatch

arch/powerpc/include/asm/kfence.h

@@ -15,7 +15,7 @@
 #define ARCH_FUNC_PREFIX "."
 #endif
 
-#ifdef CONFIG_KFENCE
+extern bool kfence_early_init;
 extern bool kfence_disabled;
 
 static inline void disable_kfence(void)
@@ -27,7 +27,11 @@ static inline bool arch_kfence_init_pool(void)
 {
 	return !kfence_disabled;
 }
-#endif
+
+static inline bool kfence_early_init_enabled(void)
+{
+	return IS_ENABLED(CONFIG_KFENCE) && kfence_early_init;
+}
 
 #ifdef CONFIG_PPC64
 static inline bool kfence_protect_page(unsigned long addr, bool protect)