+ arm64-mte-rename-tco-routines-v2.patch added to mm-unstable branch

+ arm64-mte-rename-tco-routines-v2.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: arm64: mte: rename TCO routines
has been added to the -mm mm-unstable branch.  Its filename is
     arm64-mte-rename-tco-routines-v2.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arm64-mte-rename-tco-routines-v2.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@google.com>
Subject: arm64: mte: rename TCO routines
Date: Wed, 29 Mar 2023 20:37:46 +0200

drop __ from mte_disable/enable_tco names, as those functions are to be
exported to KASAN code

Link: https://lkml.kernel.org/r/74d26337b2360733956114069e96ff11c296a944.1680114854.git.andreyknvl@google.com
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.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: Weizhao Ouyang <ouyangweizhao@zeku.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/arm64/include/asm/mte-kasan.h |   12 ++++++------
 arch/arm64/include/asm/uaccess.h   |    4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

--- a/arch/arm64/include/asm/mte-kasan.h~arm64-mte-rename-tco-routines-v2
+++ a/arch/arm64/include/asm/mte-kasan.h
@@ -51,13 +51,13 @@ static inline bool system_uses_mte_async
  * The Tag check override (TCO) bit disables temporarily the tag checking
  * preventing the issue.
  */
-static inline void __mte_disable_tco(void)
+static inline void mte_disable_tco(void)
 {
 	asm volatile(ALTERNATIVE("nop", SET_PSTATE_TCO(0),
 				 ARM64_MTE, CONFIG_KASAN_HW_TAGS));
 }
 
-static inline void __mte_enable_tco(void)
+static inline void mte_enable_tco(void)
 {
 	asm volatile(ALTERNATIVE("nop", SET_PSTATE_TCO(1),
 				 ARM64_MTE, CONFIG_KASAN_HW_TAGS));
@@ -71,13 +71,13 @@ static inline void __mte_enable_tco(void
 static inline void __mte_disable_tco_async(void)
 {
 	if (system_uses_mte_async_or_asymm_mode())
-		__mte_disable_tco();
+		mte_disable_tco();
 }
 
 static inline void __mte_enable_tco_async(void)
 {
 	if (system_uses_mte_async_or_asymm_mode())
-		__mte_enable_tco();
+		mte_enable_tco();
 }
 
 /*
@@ -203,11 +203,11 @@ void mte_enable_kernel_asymm(void);
 
 #else /* CONFIG_ARM64_MTE */
 
-static inline void __mte_disable_tco(void)
+static inline void mte_disable_tco(void)
 {
 }
 
-static inline void __mte_enable_tco(void)
+static inline void mte_enable_tco(void)
 {
 }
 
--- a/arch/arm64/include/asm/uaccess.h~arm64-mte-rename-tco-routines-v2
+++ a/arch/arm64/include/asm/uaccess.h
@@ -138,7 +138,7 @@ static inline void __uaccess_enable_hw_p
 
 static inline void uaccess_disable_privileged(void)
 {
-	__mte_disable_tco();
+	mte_disable_tco();
 
 	if (uaccess_ttbr0_disable())
 		return;
@@ -148,7 +148,7 @@ static inline void uaccess_disable_privi
 
 static inline void uaccess_enable_privileged(void)
 {
-	__mte_enable_tco();
+	mte_enable_tco();
 
 	if (uaccess_ttbr0_enable())
 		return;
_

Patches currently in -mm which might be from andreyknvl@google.com are

kasan-drop-empty-tagging-related-defines.patch
kasan-arm64-rename-tagging-related-routines.patch
arm64-mte-rename-tco-routines-v2.patch
kasan-arm64-add-arch_suppress_tag_checks_start-stop.patch
kasan-arm64-add-arch_suppress_tag_checks_start-stop-v2.patch
kasan-suppress-recursive-reports-for-hw_tags.patch
kasan-suppress-recursive-reports-for-hw_tags-v2.patch
kcov-improve-documentation.patch
kcov-improve-documentation-v2.patch
kcov-improve-documentation-v3.patch