[PATCH] paravirt: remove set pte atomic

Now that ptep_establish has a definition in PAE i386 3-level paging code, the
only paging model which is insane enough to have multi-word hardware PTEs
which are not efficient to set atomically, we can remove the ghost of
set_pte_atomic from other architectures which falesly duplicated it, and
remove all knowledge of it from the generic pgtable code.

set_pte_atomic is now a private pte operator which is specific to i386

Signed-off-by: Zachary Amsden <zach@vmware.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 56627fa453a6..9d774d07d95b 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -15,19 +15,11 @@
  * Note: the old pte is known to not be writable, so we don't need to
  * worry about dirty bits etc getting lost.
  */
-#ifndef __HAVE_ARCH_SET_PTE_ATOMIC
 #define ptep_establish(__vma, __address, __ptep, __entry)               \
 do {                                                                    \
         set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry);       \
         flush_tlb_page(__vma, __address);                               \
 } while (0)
-#else /* __HAVE_ARCH_SET_PTE_ATOMIC */
-#define ptep_establish(__vma, __address, __ptep, __entry)               \
-do {                                                                    \
-        set_pte_atomic(__ptep, __entry);                                \
-        flush_tlb_page(__vma, __address);                               \
-} while (0)
-#endif /* __HAVE_ARCH_SET_PTE_ATOMIC */
 #endif
 
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS