On Wed, 2 Nov 2011 21:02:42 +0200, "Michael S. Tsirkin" <m...@redhat.com> wrote: > MSIX spec requires that device can be operated with > all vectors masked, by polling. > > So the following patchset (lightly tested) adds this > ability: when driver reads ISR, the device > recalls a pending notification, and returns > pending status in the ISR register. > > The polling driver can operate as follows: > - map all VQs and config to the same vector > - poll ISR to get status - this also flushes VQ updates to memory > - handle config change or VQ event depending on ISR > > Comments?
This seems sane to me... Cheers, Rusty.
