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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-22 12:38:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-22 12:38:40 -0700
commit17238005f377888b9d4583835205c77e3d781bb8 (patch)
tree9cad40902138d08a2694f87736cfebd031dc9542 /arch/parisc/include/asm/pgtable.h
parent34ea646c9f8c18fd2e4332ff3b2b509f878c56f1 (diff)
parent7fe2ac6882f74e8bd5b3891f63c09cb10aee9d03 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6: [PARISC] wire up syncfs syscall [PARISC] wire up the fhandle syscalls [PARISC] wire up clock_adjtime syscall [PARISC] wire up fanotify syscalls [PARISC] prevent speculative re-read on cache flush [PARISC] only make executable areas executable [PARISC] fix pacache .size with new binutils
Diffstat (limited to 'arch/parisc/include/asm/pgtable.h')
-rw-r--r--arch/parisc/include/asm/pgtable.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 5d7b8ce9fdf3..22dadeb58695 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -177,7 +177,10 @@ struct vm_area_struct;
#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | _PAGE_DIRTY | _PAGE_ACCESSED)
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
-#define _PAGE_KERNEL (_PAGE_PRESENT | _PAGE_EXEC | _PAGE_READ | _PAGE_WRITE | _PAGE_DIRTY | _PAGE_ACCESSED)
+#define _PAGE_KERNEL_RO (_PAGE_PRESENT | _PAGE_READ | _PAGE_DIRTY | _PAGE_ACCESSED)
+#define _PAGE_KERNEL_EXEC (_PAGE_KERNEL_RO | _PAGE_EXEC)
+#define _PAGE_KERNEL_RWX (_PAGE_KERNEL_EXEC | _PAGE_WRITE)
+#define _PAGE_KERNEL (_PAGE_KERNEL_RO | _PAGE_WRITE)
/* The pgd/pmd contains a ptr (in phys addr space); since all pgds/pmds
* are page-aligned, we don't care about the PAGE_OFFSET bits, except
@@ -208,7 +211,9 @@ struct vm_area_struct;
#define PAGE_COPY PAGE_EXECREAD
#define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED)
#define PAGE_KERNEL __pgprot(_PAGE_KERNEL)
-#define PAGE_KERNEL_RO __pgprot(_PAGE_KERNEL & ~_PAGE_WRITE)
+#define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC)
+#define PAGE_KERNEL_RWX __pgprot(_PAGE_KERNEL_RWX)
+#define PAGE_KERNEL_RO __pgprot(_PAGE_KERNEL_RO)
#define PAGE_KERNEL_UNC __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE)
#define PAGE_GATEWAY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_GATEWAY| _PAGE_READ)