>>> On 29.10.15 at 18:01, <wei.l...@citrix.com> wrote: > On Thu, Oct 29, 2015 at 10:08:02AM -0600, Jan Beulich wrote: >> >>> On 29.10.15 at 16:36, <wei.l...@citrix.com> wrote: >> > What does the hypervisor do when PTs are shared but it still hits the >> > boundary? I presume the current default value never triggers such >> > situation? >> >> Not sure what you mean here - we're talking about creating the >> guest, and the failure thereof due to not enough memory getting >> made available. If the tool stack estimate is appropriate, then we > > Just to make sure we're one the same page, by "memory" you mean hap > pool, right?
The IOMMU code doesn't actually allocate from that pool, i.e. the memory just needs to be available, but not added to the hap pool. > As for the channel for passing that bit of information to toolstack, I'm > not sure about what to do. If sysctl needs to be stable we need to think > a bit more about that. If not, I don't think we need to support stable > interface for sysctl so I won't care too much how it's done actually. No, sysctl (just like domctl) doesn't need to be stable. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
