diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/kasan/hw_tags.c | 8 | ||||
-rw-r--r-- | mm/kasan/kasan.h | 22 |
2 files changed, 1 insertions, 29 deletions
diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index 4ea8c368b5b8..e4c16f6b6680 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -142,8 +142,6 @@ void kasan_init_hw_tags_cpu(void) if (kasan_arg == KASAN_ARG_OFF) return; - hw_init_tags(KASAN_TAG_MAX); - /* * Enable async mode only when explicitly requested through * the command line. @@ -250,12 +248,6 @@ void kasan_free_pages(struct page *page, unsigned int order) #if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) -void kasan_set_tagging_report_once(bool state) -{ - hw_set_tagging_report_once(state); -} -EXPORT_SYMBOL_GPL(kasan_set_tagging_report_once); - void kasan_enable_tagging_sync(void) { hw_enable_tagging_sync(); diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index d739cdd1621a..fff93b0bcb08 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -3,6 +3,7 @@ #define __MM_KASAN_KASAN_H #include <linux/kasan.h> +#include <linux/kasan-tags.h> #include <linux/kfence.h> #include <linux/stackdepot.h> @@ -51,16 +52,6 @@ extern bool kasan_flag_async __ro_after_init; #define KASAN_MEMORY_PER_SHADOW_PAGE (KASAN_GRANULE_SIZE << PAGE_SHIFT) -#define KASAN_TAG_KERNEL 0xFF /* native kernel pointers tag */ -#define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */ -#define KASAN_TAG_MAX 0xFD /* maximum value for random tags */ - -#ifdef CONFIG_KASAN_HW_TAGS -#define KASAN_TAG_MIN 0xF0 /* minimum value for random tags */ -#else -#define KASAN_TAG_MIN 0x00 /* minimum value for random tags */ -#endif - #ifdef CONFIG_KASAN_GENERIC #define KASAN_FREE_PAGE 0xFF /* page was freed */ #define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocations */ @@ -299,12 +290,6 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) #ifndef arch_enable_tagging_async #define arch_enable_tagging_async() #endif -#ifndef arch_init_tags -#define arch_init_tags(max_tag) -#endif -#ifndef arch_set_tagging_report_once -#define arch_set_tagging_report_once(state) -#endif #ifndef arch_force_async_tag_fault #define arch_force_async_tag_fault() #endif @@ -320,8 +305,6 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) #define hw_enable_tagging_sync() arch_enable_tagging_sync() #define hw_enable_tagging_async() arch_enable_tagging_async() -#define hw_init_tags(max_tag) arch_init_tags(max_tag) -#define hw_set_tagging_report_once(state) arch_set_tagging_report_once(state) #define hw_force_async_tag_fault() arch_force_async_tag_fault() #define hw_get_random_tag() arch_get_random_tag() #define hw_get_mem_tag(addr) arch_get_mem_tag(addr) @@ -332,19 +315,16 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) #define hw_enable_tagging_sync() #define hw_enable_tagging_async() -#define hw_set_tagging_report_once(state) #endif /* CONFIG_KASAN_HW_TAGS */ #if defined(CONFIG_KASAN_HW_TAGS) && IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) -void kasan_set_tagging_report_once(bool state); void kasan_enable_tagging_sync(void); void kasan_force_async_fault(void); #else /* CONFIG_KASAN_HW_TAGS || CONFIG_KASAN_KUNIT_TEST */ -static inline void kasan_set_tagging_report_once(bool state) { } static inline void kasan_enable_tagging_sync(void) { } static inline void kasan_force_async_fault(void) { } |