arm64: mte: Drop arch_enable_tagging()

arch_enable_tagging() was left in memory.h after the introduction of
async mode to not break the bysectability of the KASAN KUNIT tests.

Remove the function now that KASAN has been fully converted.

Cc: Will Deacon <will@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20210315132019.33202-4-vincenzo.frascino@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 8fbc8dab044f9df9403fafb7d8a0770853a97fb6..8b0beaedbe1f0b5f38f5eb84e83bbdd0a4d57c11 100644 (file)
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -245,7 +245,6 @@ 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()                  arch_enable_tagging_sync()
 #define arch_set_tagging_report_once(state)    mte_set_report_once(state)
 #define arch_init_tags(max_tag)                        mte_init_tags(max_tag)
 #define arch_get_random_tag()                  mte_get_random_tag()