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Re: [Xen-devel] [PATCH] Add grant references for fbfront/kbdfront

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Add grant references for fbfront/kbdfront
From: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
Date: Fri, 07 Jan 2011 14:32:13 -0500
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References: <1294416779-13833-1-git-send-email-dgdegra@xxxxxxxxxxxxx> <20110107165130.GC23825@xxxxxxxxxxxx> <4D27538C.2070600@xxxxxxxxxxxxx> <20110107192115.GC27871@xxxxxxxxxxxx>
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On 01/07/2011 02:21 PM, Konrad Rzeszutek Wilk wrote:
> On Fri, Jan 07, 2011 at 12:55:24PM -0500, Daniel De Graaf wrote:
>> On 01/07/2011 11:51 AM, Konrad Rzeszutek Wilk wrote:
>>> On Fri, Jan 07, 2011 at 11:12:56AM -0500, dgdegra@xxxxxxxxxxxxx wrote:
>>>> This series fixes the interface for the fbfront and kbdfront devices,
>>>> which were storing MFNs in xenstore rather than creating grant table
>>>> entries. To maintain backwards compatibility, a different xenstore key
>>>> is used (page-gref instead of page-ref) and the use of grants must be
>>>> requested for fbfront (because two levels of page references are
>>>> embedded within the shared page). This makes it possible to move a
>>>> display server out of dom0 without giving the display domain full
>>>> access to other domain's memory.
>>> So these patches go on top of  xen/stable-2.6.32 tree right?
>> They apply to either 2.6.32 or 2.6.37; I have tested them on both.
> What is the 2.6.37 branch you applied it to? Can you point me to the
> git tree? Or a set of patches that need to be applied on top of ftp.kernel.org
> virgin 2.6.37?

It should apply on top of any 2.6.37 tree; I sent the patches from a
rebase on top of the v2.6.37 tag on ftp.kernel.org. They should apply
cleanly on any branch unless I missed other pending changes to fbfront.

Daniel De Graaf
National Security Agency

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