On Fri, May 20, 2016 at 09:29:38AM +0200, Jiri Denemark wrote: > On Thu, May 19, 2016 at 19:56:18 +0300, Alexander Burluka wrote: > > Hello, > > > > I would like to add support for the next CPU features which presents in > > QEMU - xsaveopt, xsavec, xgetbv1, xsaves. These features were introduced > > in QEMU commit 0bb0b2d2fe7f645ddaf1f0ff40ac669c9feb4aa1. > > I was confused by comment in src/cpu/cpu_map.xml: > > ... > > <!-- We support only ecx 0x0 now as it's done by a workaround --> > > ... > > Is this comment is still actual? This feature set needs ecx 0x1. > > I can see that it was a temporary solution in commit by Peter Krempa > > 012f9b19ef3812884e207dc431571502de4cebce. Does these features addtion > > require CPU detection improvement? Or can I simply put them into > > src/cpu/cpu_map.xml? > > Yeah, the CPU detection code needs to be improved to support features > which require more than just eax set when running CPUID instruction. > > I'm currently working on adding more CPUID tests (and data) to libvirt > and I'll take that as the opportunity to add support for these new > features. > > Jirka Thank you, I will follow mailing list -- Regards, Alexander Burluka -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list