From: Christoph Egger <Christoph.Egger@amd.com>
To: "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Cc: Tim Deegan <tim@xen.org>
Subject: [PATCH] x86/mm/p2m: use NX bit for p2m entries
Date: Fri, 20 Jul 2012 16:23:48 +0200 [thread overview]
Message-ID: <500969F4.9080100@amd.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 430 bytes --]
In addition to c/s 25614:7d8a2e8412f2 also use the NX bit
for non-ram types.
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
CC: Tim Deegan <tim@xen.org>
--
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85689 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632
[-- Attachment #2: xen_p2m_nx.diff --]
[-- Type: text/plain, Size: 463 bytes --]
diff -r ae0e96e156f3 xen/arch/x86/mm/p2m-pt.c
--- a/xen/arch/x86/mm/p2m-pt.c Thu Jul 19 12:12:12 2012 +0200
+++ b/xen/arch/x86/mm/p2m-pt.c Fri Jul 20 15:39:54 2012 +0200
@@ -88,7 +88,7 @@ static unsigned long p2m_type_to_flags(p
case p2m_ram_paged:
case p2m_ram_paging_in:
default:
- return flags;
+ return flags | _PAGE_NX_BIT;
case p2m_grant_map_ro:
return flags | P2M_BASE_FLAGS | _PAGE_NX_BIT;
case p2m_ram_ro:
[-- Attachment #3: Type: text/plain, Size: 126 bytes --]
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
next reply other threads:[~2012-07-20 14:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-20 14:23 Christoph Egger [this message]
2012-07-26 18:07 ` [PATCH] x86/mm/p2m: use NX bit for p2m entries Tim Deegan
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=500969F4.9080100@amd.com \
--to=christoph.egger@amd.com \
--cc=tim@xen.org \
--cc=xen-devel@lists.xen.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.