From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH 2/3] V4 qemu-xen-trad: Correctly expose PCH ISA bridge for IGD passthrough Date: Fri, 21 Jun 2013 14:01:44 -0400 Message-ID: <20130621180144.GB15809@phenom.dumpdata.com> References: <51BF231C02000078000DED76@nat28.tlf.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: "G.R." Cc: Ian Campbell , Stefano Stabellini , Ian Jackson , xen-devel , Stefano Stabellini , Jan Beulich List-Id: xen-devel@lists.xenproject.org On Fri, Jun 21, 2013 at 09:25:49AM +0800, G.R. wrote: > On Thu, Jun 20, 2013 at 9:31 PM, Stefano Stabellini > wrote: > > On Mon, 17 Jun 2013, G.R. wrote: > >> On Mon, Jun 17, 2013 at 8:54 PM, Jan Beulich wrote: > >> >>>> On 17.06.13 at 14:42, "G.R." wrote: > >> >> The i915 driver probes chip version through PCH ISA bridge device / vendor > >> >> ID. > >> >> Previously, the PCH ISA bridge is exposed as PCI-PCI bridge in qemu-xen-trad, > >> >> which breaks the assumption of the driver. This change fixes the issue by > >> >> correctly exposing the ISA bridge to domU. > >> >> > >> >> Note the PIIX3 ISA bridge is still present on the bus (dropping it seems > >> >> break qemu all-together), i915 driver still need to be updated to handle > >> >> this. > >> >> > >> >> Change since last version: > >> >> 1. Introduce helper function to avoid exposing PCI_Bus / PCI_Bridge > >> >> definition to public. > >> >> > >> >> Signed-off-by: Stefano Stabellini , > >> >> Rui Guo > >> >> Tested-by: Rui Guo > >> > > >> > I'm fine with this version, but does the above indeed reflect > >> > reality? I.e. wasn't it you who wrote the patch in its current > >> > form? > >> > > >> > >> Ah! Thanks for pointing this out... > >> I just keep carrying this sign-off lines from the original version. > >> So I think I should use these lines for signing-off: > >> Signed-off-by: Rui Guo > >> Tested-by: Rui Guo > >> > >> Do I need to resend the whole thing out? > > > > I think it's OK and Ian should be able to change those lines for you > > > Thanks! > PS: I finally have i915 driver maintainer accepted my patch about the > pch detection. Nice. Which one was it? Do you have a URL for it? Thanks! > So together with this patch, it would produce a working ouf-of-box linux set. > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@lists.xen.org > > http://lists.xen.org/xen-devel > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel >