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authorJames Bottomley <jbottomley@parallels.com>2011-05-22 11:04:55 +0400
committerJames Bottomley <jbottomley@parallels.com>2011-05-22 11:04:55 +0400
commit7fe2ac6882f74e8bd5b3891f63c09cb10aee9d03 (patch)
tree3358215354ae27d86411963ab33c2d8f07c5e427 /arch/parisc/include
parent2e7bad5f34b5beed47542490c760ed26574e38ba (diff)
parentb7d45818444a31948cfc7849136013a0ea54b2fb (diff)
Merge branch 'flushing' into for-linus
Diffstat (limited to 'arch/parisc/include')
-rw-r--r--arch/parisc/include/asm/cacheflush.h5
-rw-r--r--arch/parisc/include/asm/pgtable.h9
2 files changed, 11 insertions, 3 deletions
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index d18328b3f93..da601dd34c0 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -3,6 +3,7 @@
#include <linux/mm.h>
#include <linux/uaccess.h>
+#include <asm/tlbflush.h>
/* The usual comment is "Caches aren't brain-dead on the <architecture>".
* Unfortunately, that doesn't apply to PA-RISC. */
@@ -112,8 +113,10 @@ void flush_dcache_page_asm(unsigned long phys_addr, unsigned long vaddr);
static inline void
flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr)
{
- if (PageAnon(page))
+ if (PageAnon(page)) {
+ flush_tlb_page(vma, vmaddr);
flush_dcache_page_asm(page_to_phys(page), vmaddr);
+ }
}
#ifdef CONFIG_DEBUG_RODATA
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 5d7b8ce9fdf..22dadeb5869 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)