The patch titled
Subject: kasan, arm64: rename tagging-related routines
has been added to the -mm mm-unstable branch. Its filename is
kasan-arm64-rename-tagging-related-routines.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kasan-arm64-rename-tagging-related-routines.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan, arm64: rename tagging-related routines
Date: Sat, 11 Mar 2023 00:43:30 +0100
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@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Peter Collingbourne <pcc@xxxxxxxxxx>
Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Cc: Weizhao Ouyang <ouyangweizhao@xxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/arch/arm64/include/asm/memory.h~kasan-arm64-rename-tagging-related-routines
+++ a/arch/arm64/include/asm/memory.h
@@ -261,9 +261,9 @@ static inline const void *__tag_set(cons
}
#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)
--- a/mm/kasan/hw_tags.c~kasan-arm64-rename-tagging-related-routines
+++ a/mm/kasan/hw_tags.c
@@ -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 *
#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)
{
--- a/mm/kasan/kasan.h~kasan-arm64-rename-tagging-related-routines
+++ a/mm/kasan/kasan.h
@@ -395,20 +395,20 @@ static inline const void *arch_kasan_set
#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 */
--- a/mm/kasan/kasan_test.c~kasan-arm64-rename-tagging-related-routines
+++ a/mm/kasan/kasan_test.c
@@ -148,7 +148,7 @@ static void kasan_test_exit(struct kunit
kasan_sync_fault_possible()) { \
if (READ_ONCE(test_status.report_found) && \
!READ_ONCE(test_status.async_fault)) \
- kasan_enable_tagging(); \
+ kasan_enable_hw_tags(); \
migrate_enable(); \
} \
WRITE_ONCE(test_status.report_found, false); \
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
kasan-drop-empty-tagging-related-defines.patch
kasan-arm64-rename-tagging-related-routines.patch
kasan-arm64-add-arch_suppress_tag_checks_start-stop.patch
kasan-suppress-recursive-reports-for-hw_tags.patch
kcov-improve-documentation.patch
kcov-improve-documentation-v2.patch
kcov-improve-documentation-v3.patch
