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Date: Mon, 31 Jul 2017 21:55:46 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: Re: [Qemu-devel] [SeaBIOS] [RFC PATCH v2 4/6] hw/pci: introduce
 bridge-only vendor-specific capability to provide some hints to firmware
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To: Laszlo Ersek <lersek@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>, Alexander Bezzubikov <zuban32s@gmail.com>, seabios@seabios.org, qemu-devel@nongnu.org, Gerd Hoffmann <kraxel@redhat.com>, pbonzini@redhat.com, rth@twiddle.net

On Mon, Jul 31, 2017 at 08:16:49PM +0200, Laszlo Ersek wrote:
> OK. If the proposed solution with the r/o mem base/limit registers is
> rooted in the spec (and I think it indeed must be; apparently this would
> be the same as what we're already planning for IO disablement), then
> that's a strong argument for PciBusDxe to accommodate this probing in
> the platform hook.
> 
> Thanks
> Laszlo

Do you mean making base/limit read-only?