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Re: [PATCH] microvm: turn off io reservations for pcie root ports
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [PATCH] microvm: turn off io reservations for pcie root ports |
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Date: |
Mon, 27 Jun 2022 18:37:50 -0400 |
On Thu, Jun 09, 2022 at 09:28:38AM +0200, Gerd Hoffmann wrote:
> On Wed, Jun 08, 2022 at 12:06:17PM -0400, Michael S. Tsirkin wrote:
> > On Fri, Jun 03, 2022 at 10:59:20AM +0200, Gerd Hoffmann wrote:
> > > The pcie host bridge has no io window on microvm,
> > > so io reservations will not work.
> > >
> > > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> >
> > I don't much like overriding user like this. We end up users
> > setting it to silly values and then if we do want to
> > support this things just break. Thoughts?
>
> Well, it just looked like the simplest way to tell the firmware that
> io reservations are pointless. Do you have a better idea?
>
> take care,
> Gerd
Fail if user supplies values we can't support.
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MST