>>> On 13.09.18 at 16:04, <paul.durr...@citrix.com> wrote: >> -----Original Message----- >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: 13 September 2018 14:57 >> To: Paul Durrant <paul.durr...@citrix.com> >> Cc: George Dunlap <george.dun...@citrix.com>; Wei Liu >> <wei.l...@citrix.com>; Kevin Tian <kevin.t...@intel.com>; xen-devel <xen- >> de...@lists.xenproject.org> >> Subject: RE: [PATCH v8 7/7] vtd: add lookup_page method to iommu_ops >> >> >>> On 13.09.18 at 15:50, <paul.durr...@citrix.com> wrote: >> > Ok. I'll spell it out in the header if you think it is non-obvious. >> >> Obvious or not - do we _have_ any such outer locking in place right now? >> > > Yes. The locking is either via the P2M or grant table locks for all current > uses or map and unmap that I can see.
But two different locks still means no guarantees at all. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
