linux-kernel - [tip:x86/mm] x86/32: no need to use set_pte_present in set_pte

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Date:	Thu, 19 Mar 2009 13:27:28 GMT
From:	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	tglx@...utronix.de, mingo@...e.hu, xen-devel@...ts.xensource.com,
	jeremy.fitzhardinge@...rix.com
Subject: [tip:x86/mm] x86/32: no need to use set_pte_present in set_pte_vaddr

Commit-ID:  b40c757964bbad76ecfa88eda9eb0b4d76dd8b40
Gitweb:     http://git.kernel.org/tip/b40c757964bbad76ecfa88eda9eb0b4d76dd8b40
Author:     Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
AuthorDate: Wed, 18 Mar 2009 13:03:32 -0700
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 19 Mar 2009 14:04:18 +0100

x86/32: no need to use set_pte_present in set_pte_vaddr

Impact: cleanup, remove last user of set_pte_present

set_pte_vaddr() is only used to install ptes in fixmaps, and
should never be used to overwrite a present mapping.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Cc: Xen-devel <xen-devel@...ts.xensource.com>
LKML-Reference: <1237406613-2929-1-git-send-email-jeremy@...p.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/mm/pgtable_32.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index f2e477c..46c8834 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -50,7 +50,7 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval)
 	}
 	pte = pte_offset_kernel(pmd, vaddr);
 	if (pte_val(pteval))
-		set_pte_present(&init_mm, vaddr, pte, pteval);
+		set_pte_at(&init_mm, vaddr, pte, pteval);
 	else
 		pte_clear(&init_mm, vaddr, pte);
 
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