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-rw-r--r--arch/powerpc/include/asm/nohash/32/pte-40x.h2
-rw-r--r--arch/powerpc/include/asm/nohash/32/pte-44x.h2
-rw-r--r--arch/powerpc/include/asm/nohash/32/pte-85xx.h2
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgtable.h2
-rw-r--r--arch/powerpc/include/asm/nohash/pgtable.h9
-rw-r--r--arch/powerpc/include/asm/nohash/pte-e500.h2
6 files changed, 15 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/pte-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h
index 0b4e5f8ce3e8..e28ef0f5781e 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-40x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-40x.h
@@ -49,6 +49,8 @@
#define _PAGE_EXEC 0x200 /* hardware: EX permission */
#define _PAGE_ACCESSED 0x400 /* software: R: page referenced */
+#define _PAGE_WRITE _PAGE_RW
+
/* No page size encoding in the linux PTE */
#define _PAGE_PSIZE 0
diff --git a/arch/powerpc/include/asm/nohash/32/pte-44x.h b/arch/powerpc/include/asm/nohash/32/pte-44x.h
index b7ed13cee137..fc0c075006ea 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-44x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-44x.h
@@ -75,6 +75,8 @@
#define _PAGE_NO_CACHE 0x00000400 /* H: I bit */
#define _PAGE_WRITETHRU 0x00000800 /* H: W bit */
+#define _PAGE_WRITE _PAGE_RW
+
/* No page size encoding in the linux PTE */
#define _PAGE_PSIZE 0
diff --git a/arch/powerpc/include/asm/nohash/32/pte-85xx.h b/arch/powerpc/include/asm/nohash/32/pte-85xx.h
index 16451df5ddb0..462acf69e302 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-85xx.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-85xx.h
@@ -31,6 +31,8 @@
#define _PAGE_WRITETHRU 0x00400 /* H: W bit */
#define _PAGE_SPECIAL 0x00800 /* S: Special page */
+#define _PAGE_WRITE _PAGE_RW
+
#define _PAGE_KERNEL_RO 0
#define _PAGE_KERNEL_ROX _PAGE_EXEC
#define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW)
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index 36b9bad428cc..2202c78730e8 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -149,7 +149,7 @@ static inline void p4d_set(p4d_t *p4dp, unsigned long val)
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
- pte_update(mm, addr, ptep, _PAGE_RW, 0, 1);
+ pte_update(mm, addr, ptep, _PAGE_WRITE, 0, 1);
}
#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index 942f46e86b4b..9a91efa6455b 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -84,7 +84,7 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
{
- pte_update(mm, addr, ptep, _PAGE_RW, 0, 0);
+ pte_update(mm, addr, ptep, _PAGE_WRITE, 0, 0);
}
#endif
#define __HAVE_ARCH_PTEP_SET_WRPROTECT
@@ -122,6 +122,9 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma,
#ifndef pte_mkwrite_novma
static inline pte_t pte_mkwrite_novma(pte_t pte)
{
+ /*
+ * write implies read, hence set both
+ */
return __pte(pte_val(pte) | _PAGE_RW);
}
#endif
@@ -139,7 +142,7 @@ static inline pte_t pte_mkyoung(pte_t pte)
#ifndef pte_wrprotect
static inline pte_t pte_wrprotect(pte_t pte)
{
- return __pte(pte_val(pte) & ~_PAGE_RW);
+ return __pte(pte_val(pte) & ~_PAGE_WRITE);
}
#endif
@@ -153,7 +156,7 @@ static inline pte_t pte_mkexec(pte_t pte)
#ifndef pte_write
static inline int pte_write(pte_t pte)
{
- return pte_val(pte) & _PAGE_RW;
+ return pte_val(pte) & _PAGE_WRITE;
}
#endif
#ifndef pte_read
diff --git a/arch/powerpc/include/asm/nohash/pte-e500.h b/arch/powerpc/include/asm/nohash/pte-e500.h
index 9f9e3f02d414..b775c7d465a4 100644
--- a/arch/powerpc/include/asm/nohash/pte-e500.h
+++ b/arch/powerpc/include/asm/nohash/pte-e500.h
@@ -55,6 +55,8 @@
#define _PAGE_KERNEL_ROX (_PAGE_BAP_SR | _PAGE_BAP_SX)
#define _PAGE_USER (_PAGE_BAP_UR | _PAGE_BAP_SR) /* Can be read */
+#define _PAGE_WRITE _PAGE_RW
+
#define _PAGE_SPECIAL _PAGE_SW0
/* Base page size */