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Date: Mon, 30 Jun 2014 12:56:16 +0200 From: Paolo Bonzini <pbonzini@...hat.com> To: "Chen, Tiejun" <tiejun.chen@...el.com>, daniel.vetter@...ll.ch, jani.nikula@...ux.intel.com, airlied@...ux.ie CC: intel-gfx@...ts.freedesktop.org, xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, qemu-devel@...gnu.org Subject: Re: [RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type Il 30/06/2014 05:13, Chen, Tiejun ha scritto: > After I discuss internal, we think even we just set the real > vendor/device ids to this ISA bridge at 00:1f.0, guest firmware should > still work well with these pair of real vendor/device ids. > > So if you think something would conflict or be broken, could you tell us > what's exactly that? Then we will double check. The Xen hvmloader doesn't break since it only supports one chipset. But SeaBIOS checks for the exact vendor/device ids since Q35 support was added. If you want to add this feature, try to implement it in a way that is a bit more forward-looking. I'm sure that Xen sooner or later will want a PCIe chipset, otherwise things such as AER forwarding are impossible. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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