lkml.org 
[lkml]   [2018]   [May]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5/8] x86/pkeys: Move vma_pkey() into asm/pkeys.h
Date
Move the last remaining pkey helper, vma_pkey() into asm/pkeys.h

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
arch/x86/include/asm/mmu_context.h | 10 ----------
arch/x86/include/asm/pkeys.h | 8 ++++++++
include/linux/pkeys.h | 2 +-
3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
index 3d748bdf44a7..59e1fadef401 100644
--- a/arch/x86/include/asm/mmu_context.h
+++ b/arch/x86/include/asm/mmu_context.h
@@ -288,16 +288,6 @@ static inline void arch_unmap(struct mm_struct *mm, struct vm_area_struct *vma,
mpx_notify_unmap(mm, vma, start, end);
}

-#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
-static inline int vma_pkey(struct vm_area_struct *vma)
-{
- unsigned long vma_pkey_mask = VM_PKEY_BIT0 | VM_PKEY_BIT1 |
- VM_PKEY_BIT2 | VM_PKEY_BIT3;
-
- return (vma->vm_flags & vma_pkey_mask) >> VM_PKEY_SHIFT;
-}
-#endif
-
/*
* We only want to enforce protection keys on the current process
* because we effectively have no access to PKRU for other
diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h
index a0ba1ffda0df..0e5f749158e4 100644
--- a/arch/x86/include/asm/pkeys.h
+++ b/arch/x86/include/asm/pkeys.h
@@ -106,4 +106,12 @@ extern int __arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
unsigned long init_val);
extern void copy_init_pkru_to_fpregs(void);

+static inline int vma_pkey(struct vm_area_struct *vma)
+{
+ unsigned long vma_pkey_mask = VM_PKEY_BIT0 | VM_PKEY_BIT1 |
+ VM_PKEY_BIT2 | VM_PKEY_BIT3;
+
+ return (vma->vm_flags & vma_pkey_mask) >> VM_PKEY_SHIFT;
+}
+
#endif /*_ASM_X86_PKEYS_H */
diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h
index aad54663763b..946cb773b79f 100644
--- a/include/linux/pkeys.h
+++ b/include/linux/pkeys.h
@@ -2,7 +2,7 @@
#ifndef _LINUX_PKEYS_H
#define _LINUX_PKEYS_H

-#include <linux/mm_types.h>
+#include <linux/mm.h>

#ifdef CONFIG_ARCH_HAS_PKEYS
#include <asm/pkeys.h>
--
2.14.1
\
 
 \ /
  Last update: 2018-05-08 17:01    [W:0.102 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site