linux-kernel - Re: [Xen-devel] [PATCH] xen/pci: try to reserve MCFG areas earlier

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Message-ID: <65b8d74a-2f7b-a257-a750-9dada5206f01@suse.com>
Date:   Wed, 11 Sep 2019 11:13:41 +0200
From:   Jan Beulich <jbeulich@...e.com>
To:     Igor Druzhinin <igor.druzhinin@...rix.com>
Cc:     xen-devel@...ts.xenproject.org,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        linux-kernel@...r.kernel.org, Juergen Gross <jgross@...e.com>
Subject: Re: [Xen-devel] [PATCH] xen/pci: try to reserve MCFG areas earlier

On 11.09.2019 03:15, Igor Druzhinin wrote:
> Another thing that I implied by "not supporting" but want to explicitly
> call out is that currently Xen will refuse reserving any MCFG area
> unless it actually existed in MCFG table at boot. I don't clearly
> understand reasoning behind it but it might be worth relaxing at least
> size matching restriction on Xen side now with this change.

I guess it's because no-one had a system were it would be needed,
and hence could be tested.

Jan