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BACKPORT: kasan, arm64: rename tagging-related routines

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(Backport: no real conflicts, neighboring lines changed.)

Rename arch_enable_tagging_sync/async/asymm to
arch_enable_tag_checks_sync/async/asymm, as the new name better reflects
their function.

Also rename kasan_enable_tagging to kasan_enable_hw_tags for the same
reason.

Link: https://lkml.kernel.org/r/069ef5b77715c1ac8d69b186725576c32b149491.1678491668.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Weizhao Ouyang <ouyangweizhao@zeku.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Bug: 254721825
(cherry picked from commit 0eafff1c5a56893ca9708fb8ff1327a738b242e9)
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Change-Id: Idbb7c99b798843dd8909528cc29d2fe883108b9f
This commit is contained in:
Andrey Konovalov 2023-03-11 00:43:30 +01:00 committed by Treehugger Robot
parent b39a3be50a
commit 553be6e70d
4 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm64/include/asm/memory.h
View File

@ -253,9 +253,9 @@ static inline const void *__tag_set(const void *addr, u8 tag)
}
#ifdef CONFIG_KASAN_HW_TAGS
#define arch_enable_tagging_sync() mte_enable_kernel_sync()
#define arch_enable_tagging_async() mte_enable_kernel_async()
#define arch_enable_tagging_asymm() mte_enable_kernel_asymm()
#define arch_enable_tag_checks_sync() mte_enable_kernel_sync()
#define arch_enable_tag_checks_async() mte_enable_kernel_async()
#define arch_enable_tag_checks_asymm() mte_enable_kernel_asymm()
#define arch_force_async_tag_fault() mte_check_tfsr_exit()
#define arch_get_random_tag() mte_get_random_tag()
#define arch_get_mem_tag(addr) mte_get_mem_tag(addr)

12
mm/kasan/hw_tags.c
View File

@ -205,7 +205,7 @@ void kasan_init_hw_tags_cpu(void)
* Enable async or asymm modes only when explicitly requested
* through the command line.
*/
kasan_enable_tagging();
kasan_enable_hw_tags();
}
/* kasan_init_hw_tags() is called once on boot CPU. */
@ -373,19 +373,19 @@ void __kasan_poison_vmalloc(const void *start, unsigned long size)
#endif
void kasan_enable_tagging(void)
void kasan_enable_hw_tags(void)
{
if (kasan_arg_mode == KASAN_ARG_MODE_ASYNC)
hw_enable_tagging_async();
hw_enable_tag_checks_async();
else if (kasan_arg_mode == KASAN_ARG_MODE_ASYMM)
hw_enable_tagging_asymm();
hw_enable_tag_checks_asymm();
else
hw_enable_tagging_sync();
hw_enable_tag_checks_sync();
}
#if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
EXPORT_SYMBOL_GPL(kasan_enable_tagging);
EXPORT_SYMBOL_GPL(kasan_enable_hw_tags);
void kasan_force_async_fault(void)
{

10
mm/kasan/kasan.h
View File

@ -401,20 +401,20 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag)
#ifdef CONFIG_KASAN_HW_TAGS
#define hw_enable_tagging_sync() arch_enable_tagging_sync()
#define hw_enable_tagging_async() arch_enable_tagging_async()
#define hw_enable_tagging_asymm() arch_enable_tagging_asymm()
#define hw_enable_tag_checks_sync() arch_enable_tag_checks_sync()
#define hw_enable_tag_checks_async() arch_enable_tag_checks_async()
#define hw_enable_tag_checks_asymm() arch_enable_tag_checks_asymm()
#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)
#define hw_set_mem_tag_range(addr, size, tag, init) \
arch_set_mem_tag_range((addr), (size), (tag), (init))
void kasan_enable_tagging(void);
void kasan_enable_hw_tags(void);
#else /* CONFIG_KASAN_HW_TAGS */
static inline void kasan_enable_tagging(void) { }
static inline void kasan_enable_hw_tags(void) { }
#endif /* CONFIG_KASAN_HW_TAGS */

2
mm/kasan/kasan_test.c
View File

@ -107,7 +107,7 @@ static void kasan_test_exit(struct kunit *test)
kasan_sync_fault_possible()) { \
if (READ_ONCE(test_status.report_found) && \
READ_ONCE(test_status.sync_fault)) \
kasan_enable_tagging(); \
kasan_enable_hw_tags(); \
migrate_enable(); \
} \
WRITE_ONCE(test_status.report_found, false); \