>>> On 21.09.15 at 20:04, < jbeul...@suse.com > wrote: > >>> On 21.09.15 at 11:46, <quan...@intel.com> wrote: > >>> >>> On 21.09.15 at 16:51, < jbeul...@suse.com > wrote: > >>- Anything else? > > > > > > Just test the extreme case. The ATS specification mandates a timeout > > of 1 _minute_ for cache flush, even though it doesn't take so much > > time for cache flush. > > In my design, if the Device-TLB is not completed, the domain's vCPUs > > are not allowed entry guest mode (patch #7), otherwise, the logic is not > correct. > > Hmm, that would be a serious limitation, and I can't immediately see a reason: > Taking this with virtualization removed, I don't think such an invalidation > would > stall a physical CPU for a whole minute. Sadly I also can't immediately think > of a > solution, but I guess first of all I'll have to take a look at the series > (which > unfortunately may take a few days to get to). > > Jan
Jan, thanks for your review. Any comment, I will reply to your emails ASAP. -Quan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
