[v14,3/8] arm64: mte: Drop arch_enable_tagging()
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Message ID 20210308161434.33424-4-vincenzo.frascino@arm.com
State New, archived
Headers show
Series
  • arm64: ARMv8.5-A: MTE: Add async mode support
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Commit Message

Vincenzo Frascino March 8, 2021, 4:14 p.m. UTC
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: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
---
 arch/arm64/include/asm/memory.h | 1 -
 1 file changed, 1 deletion(-)

Comments

Catalin Marinas March 11, 2021, 10:38 a.m. UTC | #1
On Mon, Mar 08, 2021 at 04:14:29PM +0000, Vincenzo Frascino wrote:
> 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: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

Patch
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diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 076b913caa65..91515383d763 100644
--- 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()