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@xxxxxxxxxx>
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@xxxxxxxxxx
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Peter Collingbourne <pcc@xxxxxxxxxx>
Cc: Weizhao Ouyang <ouyangweizhao@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxx 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
