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authorH. Peter Anvin <hpa@linux.intel.com>2013-06-28 15:26:17 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2013-06-28 15:26:17 -0700
commit9f84b6267ccde1bebe3f9cd40a91716b5ece5e20 (patch)
treeb51dcf9fb1b7205ed8134ad1169e73719897163d /arch/arc/include/asm/pgtable.h
parent719038de98bc8479b771c582a1e4a1e86079da22 (diff)
parent5f8c4218148822fde6eebbeefc34bd0a6061e031 (diff)
Merge remote-tracking branch 'origin/x86/fpu' into queue/x86/cpu
Use the union of 3.10 x86/cpu and x86/fpu as baseline. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/arc/include/asm/pgtable.h')
-rw-r--r--arch/arc/include/asm/pgtable.h26
1 files changed, 15 insertions, 11 deletions
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 1cc4720faccb..95b1522212a7 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -57,9 +57,9 @@
#define _PAGE_ACCESSED (1<<1) /* Page is accessed (S) */
#define _PAGE_CACHEABLE (1<<2) /* Page is cached (H) */
-#define _PAGE_EXECUTE (1<<3) /* Page has user execute perm (H) */
-#define _PAGE_WRITE (1<<4) /* Page has user write perm (H) */
-#define _PAGE_READ (1<<5) /* Page has user read perm (H) */
+#define _PAGE_U_EXECUTE (1<<3) /* Page has user execute perm (H) */
+#define _PAGE_U_WRITE (1<<4) /* Page has user write perm (H) */
+#define _PAGE_U_READ (1<<5) /* Page has user read perm (H) */
#define _PAGE_K_EXECUTE (1<<6) /* Page has kernel execute perm (H) */
#define _PAGE_K_WRITE (1<<7) /* Page has kernel write perm (H) */
#define _PAGE_K_READ (1<<8) /* Page has kernel perm (H) */
@@ -72,9 +72,9 @@
/* PD1 */
#define _PAGE_CACHEABLE (1<<0) /* Page is cached (H) */
-#define _PAGE_EXECUTE (1<<1) /* Page has user execute perm (H) */
-#define _PAGE_WRITE (1<<2) /* Page has user write perm (H) */
-#define _PAGE_READ (1<<3) /* Page has user read perm (H) */
+#define _PAGE_U_EXECUTE (1<<1) /* Page has user execute perm (H) */
+#define _PAGE_U_WRITE (1<<2) /* Page has user write perm (H) */
+#define _PAGE_U_READ (1<<3) /* Page has user read perm (H) */
#define _PAGE_K_EXECUTE (1<<4) /* Page has kernel execute perm (H) */
#define _PAGE_K_WRITE (1<<5) /* Page has kernel write perm (H) */
#define _PAGE_K_READ (1<<6) /* Page has kernel perm (H) */
@@ -93,7 +93,8 @@
#endif
/* Kernel allowed all permissions for all pages */
-#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ)
+#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ | \
+ _PAGE_GLOBAL | _PAGE_PRESENT)
#ifdef CONFIG_ARC_CACHE_PAGES
#define _PAGE_DEF_CACHEABLE _PAGE_CACHEABLE
@@ -106,7 +107,11 @@
* -by default cached, unless config otherwise
* -present in memory
*/
-#define ___DEF (_PAGE_PRESENT | _K_PAGE_PERMS | _PAGE_DEF_CACHEABLE)
+#define ___DEF (_PAGE_PRESENT | _PAGE_DEF_CACHEABLE)
+
+#define _PAGE_READ (_PAGE_U_READ | _PAGE_K_READ)
+#define _PAGE_WRITE (_PAGE_U_WRITE | _PAGE_K_WRITE)
+#define _PAGE_EXECUTE (_PAGE_U_EXECUTE | _PAGE_K_EXECUTE)
/* Set of bits not changed in pte_modify */
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED)
@@ -125,11 +130,10 @@
* kernel vaddr space - visible in all addr spaces, but kernel mode only
* Thus Global, all-kernel-access, no-user-access, cached
*/
-#define PAGE_KERNEL __pgprot(___DEF | _PAGE_GLOBAL)
+#define PAGE_KERNEL __pgprot(_K_PAGE_PERMS | _PAGE_DEF_CACHEABLE)
/* ioremap */
-#define PAGE_KERNEL_NO_CACHE __pgprot(_PAGE_PRESENT | _K_PAGE_PERMS | \
- _PAGE_GLOBAL)
+#define PAGE_KERNEL_NO_CACHE __pgprot(_K_PAGE_PERMS)
/**************************************************************************
* Mapping of vm_flags (Generic VM) to PTE flags (arch specific)