linux-kernel - [PATCH] x86/pkeys: Remove __arch_set_user_pkey

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Date:   Fri,  4 Mar 2022 13:02:48 -0800
From:   ira.weiny@...el.com
To:     Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     Ira Weiny <ira.weiny@...el.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] x86/pkeys: Remove __arch_set_user_pkey_access() declaration

From: Ira Weiny <ira.weiny@...el.com>

In the x86 code __arch_set_user_pkey_access() is not used and is not
defined.

Remove the dead declaration.

To: Dave Hansen <dave.hansen@...el.com>
Signed-off-by: Ira Weiny <ira.weiny@...el.com>
---
 arch/x86/include/asm/pkeys.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h
index 1d5f14aff5f6..5292e6dfe2a7 100644
--- a/arch/x86/include/asm/pkeys.h
+++ b/arch/x86/include/asm/pkeys.h
@@ -41,9 +41,6 @@ static inline int arch_override_mprotect_pkey(struct vm_area_struct *vma,
 	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);
-
 #define ARCH_VM_PKEY_FLAGS (VM_PKEY_BIT0 | VM_PKEY_BIT1 | VM_PKEY_BIT2 | VM_PKEY_BIT3)
 
 #define mm_pkey_allocation_map(mm)	(mm->context.pkey_allocation_map)
@@ -120,8 +117,6 @@ int mm_pkey_free(struct mm_struct *mm, int pkey)
 
 extern int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
 		unsigned long init_val);
-extern int __arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
-		unsigned long init_val);
 
 static inline int vma_pkey(struct vm_area_struct *vma)
 {
-- 
2.35.1