From: Jeff Dike <jdike@addtoit.com>
Date: Fri, 29 Sep 2006 08:58:54 +0000 (-0700)
Subject: [PATCH] uml: remove pte_mkexec
X-Git-Tag: v2.6.19-rc1~839
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5906e4171ad61ce68de95e51b773146707671f80;p=platform%2Fkernel%2Flinux-exynos.git

[PATCH] uml: remove pte_mkexec

Andi is making pte_mkexec go away, and UML had one of the last uses.

This removes the use and the definition.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index 79c2270..4cd2ff5 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -61,8 +61,10 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
 #endif
 
 	*pte = mk_pte(virt_to_page(kernel), __pgprot(_PAGE_PRESENT));
-	*pte = pte_mkexec(*pte);
-	*pte = pte_wrprotect(*pte);
+	/* This is wrong for the code page, but it doesn't matter since the
+	 * stub is mapped by hand with the correct permissions.
+	 */
+	*pte = pte_mkwrite(*pte);
 	return(0);
 
  out_pmd:
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h
index 4862daf..188f726 100644
--- a/include/asm-um/pgtable.h
+++ b/include/asm-um/pgtable.h
@@ -274,12 +274,6 @@ static inline pte_t pte_mkread(pte_t pte)
 	return(pte_mknewprot(pte)); 
 }
 
-static inline pte_t pte_mkexec(pte_t pte)
-{ 
-	pte_set_bits(pte, _PAGE_USER);
-	return(pte_mknewprot(pte)); 
-}
-
 static inline pte_t pte_mkdirty(pte_t pte)
 { 
 	pte_set_bits(pte, _PAGE_DIRTY);