public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
	tglx@linutronix.de, mingo@elte.hu, xen-devel@lists.xensource.com,
	jeremy.fitzhardinge@citrix.com
Subject: [tip:x86/mm] x86/32: no need to use set_pte_present in set_pte_vaddr
Date: Thu, 19 Mar 2009 13:27:28 GMT	[thread overview]
Message-ID: <tip-b40c757964bbad76ecfa88eda9eb0b4d76dd8b40@git.kernel.org> (raw)
In-Reply-To: <1237406613-2929-1-git-send-email-jeremy@goop.org>

Commit-ID:  b40c757964bbad76ecfa88eda9eb0b4d76dd8b40
Gitweb:     http://git.kernel.org/tip/b40c757964bbad76ecfa88eda9eb0b4d76dd8b40
Author:     Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
AuthorDate: Wed, 18 Mar 2009 13:03:32 -0700
Committer:  Ingo Molnar <mingo@elte.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@citrix.com>
Cc: Xen-devel <xen-devel@lists.xensource.com>
LKML-Reference: <1237406613-2929-1-git-send-email-jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.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);
 

      parent reply	other threads:[~2009-03-19 13:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-18 20:03 [PATCH 1/2] x86/32: no need to use set_pte_present in set_pte_vaddr Jeremy Fitzhardinge
2009-03-18 20:03 ` [PATCH 2/2] x86: with the last user gone, remove set_pte_present Jeremy Fitzhardinge
2009-03-19 13:27   ` [tip:x86/mm] " Jeremy Fitzhardinge
2009-03-19 13:27 ` Jeremy Fitzhardinge [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=tip-b40c757964bbad76ecfa88eda9eb0b4d76dd8b40@git.kernel.org \
    --to=jeremy.fitzhardinge@citrix.com \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=mingo@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=xen-devel@lists.xensource.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox