From: Andi Kleen <ak@suse.de>
To: "bibo,mao" <bibo.mao@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_64 add NX mask for PTE entry
Date: Wed, 18 Oct 2006 12:58:45 +0200 [thread overview]
Message-ID: <200610181258.45176.ak@suse.de> (raw)
In-Reply-To: <4535F0A4.1090709@intel.com>
On Wednesday 18 October 2006 11:15, bibo,mao wrote:
> Hi,
> If function change_page_attr_addr calls revert_page to revert
> to original pte value, mk_pte_phys does not mask NX bit. If NX bit
> is set on no NX hardware supported x86_64 machine, there is will
> be RSVD type page fault and system will crash. This patch adds NX
> mask bit for PTE entry.
Hmm, weird. I wonder why that didn't trip up earlier. Did you
actually see that happening?
-Andi
next prev parent reply other threads:[~2006-10-18 10:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-18 9:15 [PATCH] x86_64 add NX mask for PTE entry bibo,mao
2006-10-18 10:58 ` Andi Kleen [this message]
2006-10-18 11:23 ` bibo,mao
2006-10-18 11:45 ` bibo,mao
2006-10-18 13:15 ` Andi Kleen
2006-10-19 1:35 ` bibo,mao
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=200610181258.45176.ak@suse.de \
--to=ak@suse.de \
--cc=bibo.mao@intel.com \
--cc=linux-kernel@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox