From mboxrd@z Thu Jan  1 00:00:00 1970
From: "G.R." <firemeteor@users.sourceforge.net>
Subject: Re: Need help to debug win7 BSOD on IGD passthrough
Date: Wed, 9 Jan 2013 23:07:27 +0800
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To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>, Ross Philipson <Ross.Philipson@citrix.com>, Jean Guyader <jean.guyader@gmail.com>, xen-devel <xen-devel@lists.xen.org>
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>> So I've accumulated many local fixes to make intel gpu passthrough work.
>> If you believe they are worthwhile, I'll clean up the fix and submit the patch.
>>
>> List of local fixes:
>> 1. Stefano's intel pch init fix, patch submitted and acked by Stefano.
>> Not sure if accepted && submitted.
>> 2. Patch for un-aligned OpRegion. Got feedback on security concern.
>> The impact is not yet clear.
>> 3. Vendor cap fix. Jean && Ross's patch about one year ago, lost in
>> the devel list.
>> 4. igfx reset fix. Jean's patch about one year ago, lost in the devel list.
>>
>> I think devel list is not the best way to track issue && fixes. I
>> wounder if there are public bug tracking systems.
>
> Ian Jackson is responsible for applying patches to the
> qemu-xen-traditional tree.
>
> However if you care to forward port the patches to upstream QEMU, that
> now has PCI passthrough support but it is still completely missing gfx
> passthrough, I would be happy to commit them and send them upstream.

Let me start with the qemu-xen-traditional tree, which I'm currently using.
I'll consider porting them to upstream QEMU once they are accepted.

Just some questions first:
1. Do I need to switch to the unstable tree? I'm currently on 4.2.1.
2. Any guide to generate patch series in git?
The wiki has a tutorial for Mercurial, but not git.
Generating well-formed patch series from a single file manually is not
a pleasant task.