Il 29/08/2014 02:13, Andy Lutomirski ha scritto: > Hmm. Then, assuming that someone manages to allocate a > cross-hypervisor MSR number for this, what am I supposed to do in the > KVM code? Just make it available unconditionally? I don't see why > that wouldn't work reliably, but it seems like an odd design. The odd part of it is what Gleb mentioned. > Also, the one and only native feature flag I tested (rdtscp) actually > does work: RDTSCP seems to send #UD if QEMU is passed -cpu > host,-rdtscp. True, and I'm not sure why. There are a couple others. I was thinking more of things like SSE, AVX or DE (that affects the availability of a bit in CR4). Paolo _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
