Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=38472311679d8784c2934d071ddda23d9b3fe264
Commit: 38472311679d8784c2934d071ddda23d9b3fe264
Parent: 6fdc05d4794056e0b98901646c4b68c60a01d5eb
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:32:57 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:32:57 2008 +0100
x86: unify pgtable accessors which use, #2
based on:
Subject: x86: unify pgtable accessors which use supported_pte_mask
From: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
include/asm-x86/pgtable.h | 15 +++++++++++++++
include/asm-x86/pgtable_32.h | 16 ----------------
2 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index b29a122..6452286 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -155,6 +155,21 @@ static inline pmd_t pfn_pmd(unsigned long page_nr,
pgprot_t pgprot)
pgprot_val(pgprot)) & __supported_pte_mask);
}
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+ pteval_t val = pte_val(pte);
+
+ /*
+ * Chop off the NX bit (if present), and add the NX portion of
+ * the newprot (if present):
+ */
+ val &= _PAGE_CHG_MASK & ~_PAGE_NX;
+ val |= pgprot_val(newprot) & __supported_pte_mask;
+
+ return __pte(val);
+}
+
+
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_X86_32
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 0aaefdd..109dad5 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -235,22 +235,6 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src,
int count)
#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
- pte.pte_low &= _PAGE_CHG_MASK;
- pte.pte_low |= pgprot_val(newprot);
-#ifdef CONFIG_X86_PAE
- /*
- * Chop off the NX bit (if present), and add the NX portion of
- * the newprot (if present):
- */
- pte.pte_high &= ~(1 << (_PAGE_BIT_NX - 32));
- pte.pte_high |= (pgprot_val(newprot) >> 32) & \
- (__supported_pte_mask >> 32);
-#endif
- return pte;
-}
-
/*
* the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD]
*
-
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