[PATCH 5/6] i386 virtualization - Make generic set wrprotect a macro

[zach@vmware.com]

Make the generic version of ptep_set_wrprotect a macro.  This is good for
code uniformity, and fixes the build for architectures which include pgtable.h
through headers into assembly code, but do not define a ptep_set_wrprotect
function.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.13/include/asm-generic/pgtable.h
===================================================================
--- linux-2.6.13.orig/include/asm-generic/pgtable.h	2005-08-12 12:12:55.000000000 -0700
+++ linux-2.6.13/include/asm-generic/pgtable.h	2005-08-15 13:54:42.000000000 -0700
@@ -313,11 +313,12 @@
 #endif
 
 #ifndef __HAVE_ARCH_PTEP_SET_WRPROTECT
-static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long address, pte_t *ptep)
-{
-	pte_t old_pte = *ptep;
-	set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
-}
+#define ptep_set_wrprotect(__mm, __address, __ptep)			\
+({									\
+	pte_t __old_pte = *(__ptep);					\
+	set_pte_at((__mm), (__address), (__ptep),			\
+			pte_wrprotect(__old_pte));			\
+})
 #endif
 
 #ifndef __HAVE_ARCH_PTE_SAME
-
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