All of lore.kernel.org
 help / color / mirror / Atom feed
From: Julien Grall <julien.grall@linaro.org>
To: Jan Beulich <JBeulich@suse.com>
Cc: Keir Fraser <keir@xen.org>,
	ian.campbell@citrix.com, patches@linaro.org, tim@xen.org,
	stefano.stabellini@citrix.com, xen-devel@lists.xenproject.org
Subject: Re: [PATCH v5] xen/arm: Allow balooning working with 1:1 memory mapping
Date: Tue, 17 Dec 2013 14:11:41 +0000	[thread overview]
Message-ID: <52B05B9D.3030409@linaro.org> (raw)
In-Reply-To: <52B02022020000780010E04E@nat28.tlf.novell.com>

On 12/17/2013 08:57 AM, Jan Beulich wrote:
>>>> On 16.12.13 at 18:00, Julien Grall <julien.grall@linaro.org> wrote:
>> With the lack of iommu, dom0 must have a 1:1 memory mapping for all
>> these guest physical address. When the ballon decides to give back a
>> page to the kernel, this page must have the same address as previously.
>> Otherwise, we will loose the 1:1 mapping and will break DMA-capable
>> devices.
>>
>> Signed-off-by: Julien Grall <julien.grall@linaro.org>
>> Cc: Keir Fraser <keir@xen.org>
> 
> Reviewed-by: Jan Beulich <jbeulich@suse.com>
> if you do one more change (and a little bit of further cleanup -
> sorry I didn't notice this before):

Thanks, I will do all the changes.

-- 
Julien Grall

      reply	other threads:[~2013-12-17 14:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-16 17:00 [PATCH v5] xen/arm: Allow balooning working with 1:1 memory mapping Julien Grall
2013-12-17  8:57 ` Jan Beulich
2013-12-17 14:11   ` Julien Grall [this message]

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=52B05B9D.3030409@linaro.org \
    --to=julien.grall@linaro.org \
    --cc=JBeulich@suse.com \
    --cc=ian.campbell@citrix.com \
    --cc=keir@xen.org \
    --cc=patches@linaro.org \
    --cc=stefano.stabellini@citrix.com \
    --cc=tim@xen.org \
    --cc=xen-devel@lists.xenproject.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.