Re: [Xen-devel] [PATCH v3 01/10] vt-d: fix the IOMMU flush issue

2016-05-04 Thread Xu, Quan
On May 04, 2016 9:52 PM, Jan Beulich wrote: > >>> On 04.05.16 at 14:09, wrote: > > On May 04, 2016 9:26 AM, Tian, Kevin wrote: > >> > From: Xu, Quan > >> > Sent: Friday, April 29, 2016 5:25 PM static void > >> > intel_iommu_iotlb_flush(struct domain *d, unsigned long gfn, > >> > unsigned int >

Re: [Xen-devel] [PATCH v3 01/10] vt-d: fix the IOMMU flush issue

2016-05-04 Thread Jan Beulich
>>> On 04.05.16 at 14:09, wrote: > On May 04, 2016 9:26 AM, Tian, Kevin wrote: >> > From: Xu, Quan >> > Sent: Friday, April 29, 2016 5:25 PM >> > static void intel_iommu_iotlb_flush(struct domain *d, unsigned long >> > gfn, unsigned int >> > page_count) >> >> could we remove "Intel_" prefix com

Re: [Xen-devel] [PATCH v3 01/10] vt-d: fix the IOMMU flush issue

2016-05-04 Thread Xu, Quan
On May 04, 2016 9:26 AM, Tian, Kevin wrote: > > From: Xu, Quan > > Sent: Friday, April 29, 2016 5:25 PM > > > > The propagation value from IOMMU flush interfaces may be positive, > > which indicates callers need to flush cache, not one of faliures. > > > > when the propagation value is positive, t

Re: [Xen-devel] [PATCH v3 01/10] vt-d: fix the IOMMU flush issue

2016-05-03 Thread Tian, Kevin
> From: Xu, Quan > Sent: Friday, April 29, 2016 5:25 PM > > The propagation value from IOMMU flush interfaces may be positive, which > indicates callers need to flush cache, not one of faliures. > > when the propagation value is positive, this patch fixes this flush issue > as follows: > - call