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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <tip-b40c757964bbad76ecfa88eda9eb0b4d76dd8b40@git.kernel.org>
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);
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/