From: Zachary Amsden <zach@vmware.com>
To: Andi Kleen <ak@suse.de>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
xen-devel@lists.xensource.com, Greg KH <greg@kroah.com>,
LKML <linux-kernel@vger.kernel.org>,
Stable Kernel <stable@kernel.org>,
Chris Wright <chrisw@sous-sol.org>,
virtualization@lists.osdl.org,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Keir Fraser <keir@xensource.com>
Subject: Re: [stable] [PATCH 00/12] xen/paravirt_ops patches for 2.6.24
Date: Mon, 15 Oct 2007 16:48:44 -0700 [thread overview]
Message-ID: <1192492124.17375.62.camel@bodhitayantram.eng.vmware.com> (raw)
In-Reply-To: <200710160003.13189.ak@suse.de>
On Tue, 2007-10-16 at 00:03 +0200, Andi Kleen wrote:
> > Subject: [PATCH 12/12] xfs: eagerly remove vmap mappings to avoid
> > upsetting Xen
>
> This should be probably done unconditionally because it's a undefined
> dangerous condition everywhere.
Should be done unconditionally. One could remap the underlying physical
space to include an MMIO region, and speculative reads from the
cacheable virtual mapping of that region could move the robot arm,
destroying the world.
Zach
next prev parent reply other threads:[~2007-10-15 23:49 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-15 20:48 Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 01/12] paravirt: refactor struct paravirt_ops into smaller pv_*_ops Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 02/12] paravirt: clean up lazy mode handling Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 03/12] remove dead code in pgtable_cache_init Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 04/12] Clean up duplicate includes in arch/i386/xen/ Jeremy Fitzhardinge
2007-10-15 21:58 ` Jesper Juhl
2007-10-15 20:48 ` [PATCH 05/12] xen: yield to IPI target if necessary Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 06/12] xen: add batch completion callbacks Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 07/12] xen: deal with stale cr3 values when unpinning pagetables Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 08/12] xen: lock pte pages while pinning/unpinning Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 09/12] xen: ask the hypervisor how much space it needs reserved Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 10/12] xen: fix incorrect vcpu_register_vcpu_info hypercall argument Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 11/12] xen: add some debug output for failed multicalls Jeremy Fitzhardinge
2007-10-15 20:48 ` [PATCH 12/12] xfs: eagerly remove vmap mappings to avoid upsetting Xen Jeremy Fitzhardinge
2007-10-15 23:04 ` David Chinner
2007-10-15 21:54 ` [stable] [PATCH 00/12] xen/paravirt_ops patches for 2.6.24 Greg KH
2007-10-15 21:59 ` Jeremy Fitzhardinge
2007-10-15 22:03 ` Andi Kleen
2007-10-15 23:48 ` Zachary Amsden [this message]
2007-11-13 23:22 ` Greg KH
2007-11-13 23:53 ` Andi Kleen
2007-11-14 0:00 ` Greg KH
2007-11-14 18:40 ` Jeremy Fitzhardinge
2007-11-14 19:03 ` Greg KH
2007-11-14 19:53 ` Jeremy Fitzhardinge
2007-11-14 22:01 ` Greg KH
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=1192492124.17375.62.camel@bodhitayantram.eng.vmware.com \
--to=zach@vmware.com \
--cc=ak@suse.de \
--cc=akpm@linux-foundation.org \
--cc=chrisw@sous-sol.org \
--cc=greg@kroah.com \
--cc=jeremy@goop.org \
--cc=keir@xensource.com \
--cc=linux-kernel@vger.kernel.org \
--cc=stable@kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=virtualization@lists.osdl.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®