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authorHuacai Chen <chenhuacai@loongson.cn>2023-09-20 09:26:29 +0300
committerHuacai Chen <chenhuacai@loongson.cn>2023-09-20 09:26:29 +0300
commit2a86f1b56a30e242caf7ee1268af68f4f49ce847 (patch)
treeef96811d4c46d9fd858fb66282bdf325e57df99e /arch
parentb795fb9f5861ee256070d59e33130980a01fadd7 (diff)
downloadlinux-2a86f1b56a30e242caf7ee1268af68f4f49ce847.tar.xz
kasan: Cleanup the __HAVE_ARCH_SHADOW_MAP usage
As Linus suggested, __HAVE_ARCH_XYZ is "stupid" and "having historical uses of it doesn't make it good". So migrate __HAVE_ARCH_SHADOW_MAP to separate macros named after the respective functions. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch')
-rw-r--r--arch/loongarch/include/asm/kasan.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/loongarch/include/asm/kasan.h b/arch/loongarch/include/asm/kasan.h
index deeff8158f45..a12ecab37da7 100644
--- a/arch/loongarch/include/asm/kasan.h
+++ b/arch/loongarch/include/asm/kasan.h
@@ -10,8 +10,6 @@
#include <asm/io.h>
#include <asm/pgtable.h>
-#define __HAVE_ARCH_SHADOW_MAP
-
#define KASAN_SHADOW_SCALE_SHIFT 3
#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
@@ -68,6 +66,7 @@ static __always_inline bool kasan_arch_is_ready(void)
return !kasan_early_stage;
}
+#define kasan_mem_to_shadow kasan_mem_to_shadow
static inline void *kasan_mem_to_shadow(const void *addr)
{
if (!kasan_arch_is_ready()) {
@@ -97,6 +96,7 @@ static inline void *kasan_mem_to_shadow(const void *addr)
}
}
+#define kasan_shadow_to_mem kasan_shadow_to_mem
static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
{
unsigned long addr = (unsigned long)shadow_addr;
@@ -119,6 +119,12 @@ static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
}
}
+#define addr_has_metadata addr_has_metadata
+static __always_inline bool addr_has_metadata(const void *addr)
+{
+ return (kasan_mem_to_shadow((void *)addr) != NULL);
+}
+
void kasan_init(void);
asmlinkage void kasan_early_init(void);