On Fri, 8 Jun 2018 16:12:36 +0800 Tiwei Bie <tiwei....@intel.com> wrote:
> Suggested-by: Michael S. Tsirkin <m...@redhat.com> > Signed-off-by: Tiwei Bie <tiwei....@intel.com> > Fixes: https://github.com/oasis-tcs/virtio-spec/issues/14 > --- > v2: > - Refine the wording (Cornelia); > > content.tex | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/content.tex b/content.tex > index f996fad..41cba41 100644 > --- a/content.tex > +++ b/content.tex > @@ -125,6 +125,13 @@ which was not offered. The device SHOULD accept any > valid subset > of features the driver accepts, otherwise it MUST fail to set the > FEATURES_OK \field{device status} bit when the driver writes it. > > +If a device has successfully negotiated a set of features > +at least once (by succeeding to set the FEATURES_OK > +\field{device status} bit when the driver writes it), then > +it SHOULD NOT fail re-negotiation of the same set of features > +after a device or system reset. Failure to do so would > +interfere with resuming from suspend and error recovery. > + > \subsection{Legacy Interface: A Note on Feature > Bits}\label{sec:Basic Facilities of a Virtio Device / Feature > Bits / Legacy Interface: A Note on Feature Bits} Reviewed-by: Cornelia Huck <coh...@redhat.com> --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscr...@lists.oasis-open.org For additional commands, e-mail: virtio-dev-h...@lists.oasis-open.org
