On Mon, Apr 25, 2016 at 05:24:43AM -0600, Jan Beulich wrote: > >>> On 22.04.16 at 18:35, <andrew.coop...@citrix.com> wrote: > > On 22/04/16 08:20, Jan Beulich wrote: > >> When a guest unmasks MSI-X interrupts before enabling MSI-X on the > >> device, so far nothing updates the {host,guest}_masked internal state; > >> this to date only gets done when MSI-X is already enabled. This is why > >> half way recent Linux works (as it enables MSI-X first), while Windows > >> doesn't (as it enables MSI-X only after having set up und unmasked all > >> vectors). Since with a successful write to the vector control field > >> everything is ready internally, we should also update internal tracking > >> state there, regardless of the device's MSI-X enabled state. > >> > >> Signed-off-by: Jan Beulich <jbeul...@suse.com> > > > > Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> >
Release-acked-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel