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Subject: Re: [PATCH 4/5] virtqueue: ignore resetting vqs when SUSPEND
On Wed, Sep 06, 2023 at 04:16:36PM +0800, Zhu Lingshan wrote: > When SUSPEND is set, the device should stabilize the device > states and virtqueue states, therefore the device should > ignore resetting vqs when SUSPEND is set in device status. > > Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com> And do what? If you really feel it's important we can prohibit driver from touching state. But generally this seems un-orthogonal. > --- > content.tex | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/content.tex b/content.tex > index 9d727ce..cd2b426 100644 > --- a/content.tex > +++ b/content.tex > @@ -443,6 +443,9 @@ \subsubsection{Virtqueue Reset}\label{sec:Basic Facilities of a Virtio Device / > The device MUST reset any state of a virtqueue to the default state, > including the available state and the used state. > > +If VIRTIO_F_SUSPEND is negotiated and SUSPEND is set in \field{device status}, > +the device SHOULD ignore resetting any virtqueues. > + > \drivernormative{\paragraph}{Virtqueue Reset}{Basic Facilities of a Virtio Device / Virtqueues / Virtqueue Reset / Virtqueue Reset} > > After the driver tells the device to reset a queue, the driver MUST verify that > -- > 2.35.3
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