On 14/04/16 07:56, Razvan Cojocaru wrote: > This indeed doesn't guard against LOCKed instructions being run in > parallel with and without emulation, however that is a case that should > almost never occur - at least not with introspection, where currently > all emulation happens as a result of EPT faults - so either all > instructions hitting a restricted page are emulated, or all ar run > directly. As long as all emulation can safely run in parallel and all > parallel non-emulation is also safe, it should be alright. But, yes, > this patch doesn't cover the case you're mentioning.
What about grant pages? There could be parallel accesses from different domains, one being introspected, the other not. Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel