On Thu, Jun 28, 2007 at 02:52:05PM +0200, Dietmar Hahn wrote: > Hi, > > attached to this mail are 2 patches: > - opt_feature_xen.patch > implements the new hypercall __HYPERVISOR_opt_feature in the hypervisor. > - opt_feature_linux.patch > implements the usage of the hypercall. I think the hypercall interface is a little bit overkill but who knows about the future?
> The xen - patch has real effects in vcpu_translate() on inserting identity > mappings in the vhpt/tlb. I'am not sure about some performance impacts. > But without such a patch correct future protection key handling is impossible. I don't understand why. Isn't PK 0 supposed to be always enabled ? (But I think it should be possible to disable the auto id mapping insertion). Tristan. _______________________________________________ Xen-ia64-devel mailing list [email protected] http://lists.xensource.com/xen-ia64-devel
