x86: redo cded932

redo commit cded932. Signed-off-by: Ingo Molnar <mingo@elte.hu>
git-mirror · Apr 17, 2008 · 40869cd · 40869cd
1 parent ba748d2
commit 40869cd
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
@@ -90,7 +90,9 @@ extern unsigned long pg0[];
 /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
 #define pmd_none(x)	(!(unsigned long)pmd_val(x))
 #define pmd_present(x)	(pmd_val(x) & _PAGE_PRESENT)
-#define	pmd_bad(x)	((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
+#define	pmd_bad(x)	((pmd_val(x) \
+			  & ~(PAGE_MASK | _PAGE_USER | _PAGE_PSE | _PAGE_NX)) \
+			 != _KERNPG_TABLE)
 
 
 #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))

diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
@@ -153,12 +153,14 @@ static inline unsigned long pgd_bad(pgd_t pgd)
 
 static inline unsigned long pud_bad(pud_t pud)
 {
-	return pud_val(pud) & ~(PTE_MASK | _KERNPG_TABLE | _PAGE_USER);
+	return pud_val(pud) &
+		~(PTE_MASK | _KERNPG_TABLE | _PAGE_USER | _PAGE_PSE | _PAGE_NX);
 }
 
 static inline unsigned long pmd_bad(pmd_t pmd)
 {
-	return pmd_val(pmd) & ~(PTE_MASK | _KERNPG_TABLE | _PAGE_USER);
+	return pmd_val(pmd) &
+		~(PTE_MASK | _KERNPG_TABLE | _PAGE_USER | _PAGE_PSE | _PAGE_NX);
 }
 
 #define pte_none(x)	(!pte_val(x))