From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,will@kernel.org,tglx@linutronix.de,mpe@ellerman.id.au,mingo@redhat.com,maddy@linux.ibm.com,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,catalin.marinas@arm.com,bp@alien8.de,sgsu.park@samsung.com,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access.patch removed from -mm tree
Date: Tue, 24 Mar 2026 14:42:13 -0700 [thread overview]
Message-ID: <20260324214214.02456C19424@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/pkeys: remove unused tsk parameter from arch_set_user_pkey_access()
has been removed from the -mm tree. Its filename was
mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Seongsu Park <sgsu.park@samsung.com>
Subject: mm/pkeys: remove unused tsk parameter from arch_set_user_pkey_access()
Date: Thu, 19 Feb 2026 15:35:06 +0900
The tsk parameter in arch_set_user_pkey_access() is never used in the
function implementations across all architectures (arm64, powerpc, x86).
Link: https://lkml.kernel.org/r/20260219063506.545148-1-sgsu.park@samsung.com
Signed-off-by: Seongsu Park <sgsu.park@samsung.com>
Cc: "Borislav Petkov (AMD)" <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/arm64/include/asm/pkeys.h | 3 +--
arch/arm64/mm/mmu.c | 2 +-
arch/powerpc/include/asm/pkeys.h | 8 +++-----
arch/powerpc/mm/book3s64/pkeys.c | 3 +--
arch/x86/include/asm/pkeys.h | 3 +--
arch/x86/kernel/fpu/xstate.c | 3 +--
arch/x86/mm/pkeys.c | 3 +--
mm/mprotect.c | 2 +-
8 files changed, 10 insertions(+), 17 deletions(-)
--- a/arch/arm64/include/asm/pkeys.h~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/arch/arm64/include/asm/pkeys.h
@@ -12,8 +12,7 @@
#define arch_max_pkey() 8
-int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
- unsigned long init_val);
+int arch_set_user_pkey_access(int pkey, unsigned long init_val);
static inline bool arch_pkeys_enabled(void)
{
--- a/arch/arm64/mm/mmu.c~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/arch/arm64/mm/mmu.c
@@ -2206,7 +2206,7 @@ void __cpu_replace_ttbr1(pgd_t *pgdp, bo
}
#ifdef CONFIG_ARCH_HAS_PKEYS
-int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, unsigned long init_val)
+int arch_set_user_pkey_access(int pkey, unsigned long init_val)
{
u64 new_por;
u64 old_por;
--- a/arch/powerpc/include/asm/pkeys.h~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/arch/powerpc/include/asm/pkeys.h
@@ -143,10 +143,8 @@ static inline int arch_override_mprotect
return __arch_override_mprotect_pkey(vma, prot, pkey);
}
-extern int __arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
- unsigned long init_val);
-static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
- unsigned long init_val)
+extern int __arch_set_user_pkey_access(int pkey, unsigned long init_val);
+static inline int arch_set_user_pkey_access(int pkey, unsigned long init_val)
{
if (!mmu_has_feature(MMU_FTR_PKEY))
return -EINVAL;
@@ -160,7 +158,7 @@ static inline int arch_set_user_pkey_acc
if (pkey == 0)
return init_val ? -EINVAL : 0;
- return __arch_set_user_pkey_access(tsk, pkey, init_val);
+ return __arch_set_user_pkey_access(pkey, init_val);
}
static inline bool arch_pkeys_enabled(void)
--- a/arch/powerpc/mm/book3s64/pkeys.c~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/arch/powerpc/mm/book3s64/pkeys.c
@@ -335,8 +335,7 @@ static inline void init_iamr(int pkey, u
* Set the access rights in AMR IAMR and UAMOR registers for @pkey to that
* specified in @init_val.
*/
-int __arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
- unsigned long init_val)
+int __arch_set_user_pkey_access(int pkey, unsigned long init_val)
{
u64 new_amr_bits = 0x0ul;
u64 new_iamr_bits = 0x0ul;
--- a/arch/x86/include/asm/pkeys.h~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/arch/x86/include/asm/pkeys.h
@@ -9,8 +9,7 @@
*/
#define arch_max_pkey() (cpu_feature_enabled(X86_FEATURE_OSPKE) ? 16 : 1)
-extern int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
- unsigned long init_val);
+extern int arch_set_user_pkey_access(int pkey, unsigned long init_val);
static inline bool arch_pkeys_enabled(void)
{
--- a/arch/x86/kernel/fpu/xstate.c~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/arch/x86/kernel/fpu/xstate.c
@@ -1080,8 +1080,7 @@ void __user *get_xsave_addr_user(struct
* This will go out and modify PKRU register to set the access
* rights for @pkey to @init_val.
*/
-int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
- unsigned long init_val)
+int arch_set_user_pkey_access(int pkey, unsigned long init_val)
{
u32 old_pkru, new_pkru_bits = 0;
int pkey_shift;
--- a/arch/x86/mm/pkeys.c~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/arch/x86/mm/pkeys.c
@@ -42,8 +42,7 @@ int __execute_only_pkey(struct mm_struct
* Set up PKRU so that it denies access for everything
* other than execution.
*/
- ret = arch_set_user_pkey_access(current, execute_only_pkey,
- PKEY_DISABLE_ACCESS);
+ ret = arch_set_user_pkey_access(execute_only_pkey, PKEY_DISABLE_ACCESS);
/*
* If the PKRU-set operation failed somehow, just return
* 0 and effectively disable execute-only support.
--- a/mm/mprotect.c~mm-pkeys-remove-unused-tsk-parameter-from-arch_set_user_pkey_access
+++ a/mm/mprotect.c
@@ -978,7 +978,7 @@ SYSCALL_DEFINE2(pkey_alloc, unsigned lon
if (pkey == -1)
goto out;
- ret = arch_set_user_pkey_access(current, pkey, init_val);
+ ret = arch_set_user_pkey_access(pkey, init_val);
if (ret) {
mm_pkey_free(current->mm, pkey);
goto out;
_
Patches currently in -mm which might be from sgsu.park@samsung.com are
reply other threads:[~2026-03-24 21:42 UTC|newest]
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