All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@elte.hu>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Xen-devel <xen-devel@lists.xensource.com>
Subject: Re: __supported_pte_mask breaks PROT_NONE pages
Date: Thu, 5 Feb 2009 15:28:02 +0100	[thread overview]
Message-ID: <20090205142802.GD28443@elte.hu> (raw)
In-Reply-To: <498A7BE3.40405@zytor.com>


* H. Peter Anvin <hpa@zytor.com> wrote:

> [Dropped wli from the Cc: list because holomorphy.com doesn't resolve]
> 
> Jeremy Fitzhardinge wrote:
> > 
> > I guess the best fix is to only apply __supported_pte_mask to present
> > ptes.  This seems like the right solution to me, as it means we can
> > completely ignore the issue of overlaps between the present pte bits and
> > the non-present pte-as-swap entry use of the bits.  (Patch below.)
> > 
> 
> It certainly looks reasonable, so I have applied this patch to
> tip:x86/urgent.  However, since I'm on the way out to FOSDEM I won't be
> able to run any tests on this.

Looks good here so i pushed it out into tip:master.

Thanks,

	Ingo

  reply	other threads:[~2009-02-05 14:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-05  2:33 __supported_pte_mask breaks PROT_NONE pages Jeremy Fitzhardinge
2009-02-05  2:33 ` Jeremy Fitzhardinge
2009-02-05  5:40 ` H. Peter Anvin
2009-02-05 14:28   ` Ingo Molnar [this message]
2009-02-05 14:29 ` Ingo Molnar
2009-02-05 14:29   ` Ingo Molnar
2009-02-05 17:23   ` Jeremy Fitzhardinge
2009-02-05 17:23     ` Jeremy Fitzhardinge
2009-02-05 17:30     ` Ingo Molnar
2009-02-05 17:30       ` Ingo Molnar
2009-02-05 18:00       ` Jeremy Fitzhardinge
2009-02-05 18:00         ` Jeremy Fitzhardinge

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=20090205142802.GD28443@elte.hu \
    --to=mingo@elte.hu \
    --cc=hpa@zytor.com \
    --cc=jeremy@goop.org \
    --cc=linux-kernel@vger.kernel.org \
    --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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.