All of lore.kernel.org
 help / color / mirror / Atom feed
From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Blue Swirl <blauwirbel@gmail.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v2] target-i386: Mask NX bit from cpu_get_phys_page_debug result
Date: Tue, 06 Mar 2012 16:31:44 +0200	[thread overview]
Message-ID: <4F561FD0.10900@redhat.com> (raw)
In-Reply-To: <4F561D8A.4010404@siemens.com>

On 03/06/2012 04:22 PM, Jan Kiszka wrote:
> This was a long pending bug, now revealed by the assert in
> phys_page_find that stumbled over the large page index returned by
> cpu_get_phys_page_debug for NX-marked pages: We need to mask out NX and
> all user-definable bits 52..62 from PDEs and the final PTE to avoid
> corrupting physical addresses.
>
>

Reviewed-by: Avi Kivity <avi@redhat.com>

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2012-03-06 14:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-06 12:23 [Qemu-devel] [PATCH] target-i386: Mask NX bit from cpu_get_phys_page_debug result Jan Kiszka
2012-03-06 12:56 ` Avi Kivity
2012-03-06 13:07   ` Avi Kivity
2012-03-06 14:22     ` [Qemu-devel] [PATCH v2] " Jan Kiszka
2012-03-06 14:31       ` Avi Kivity [this message]
2012-03-11 16:07       ` Blue Swirl

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=4F561FD0.10900@redhat.com \
    --to=avi@redhat.com \
    --cc=aliguori@us.ibm.com \
    --cc=blauwirbel@gmail.com \
    --cc=jan.kiszka@siemens.com \
    --cc=qemu-devel@nongnu.org \
    /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.