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Re: [PATCH v3 3/9] vfio: add quirk device write method
From: |
Peter Maydell |
Subject: |
Re: [PATCH v3 3/9] vfio: add quirk device write method |
Date: |
Fri, 17 Jul 2020 16:57:40 +0100 |
On Fri, 17 Jul 2020 at 16:54, Alex Williamson
<alex.williamson@redhat.com> wrote:
>
> On Thu, 16 Jul 2020 18:46:33 +0100
> Peter Maydell <peter.maydell@linaro.org> wrote:
>
> > Alex (Williamson) -- as the vfio maintainer, do you have a view
> > on whether we should be logging write accesses to port 0x3c3
> > here as guest-errors or unimplemented-QEMU-functionality?
> >
> > Guest-error seems plausible to me, anyway.
>
> I believe the intention was that writes would be dropped, so if this
> generates logging that is going to cause users to file bugs, that would
> be undesirable. Thanks,
It will only log if the user explicitly turns on "log things the
guest does which are bugs in it, like writing to read-only
registers" (with the '-d guest_errors' option).
thanks
-- PMM