On Fri, Feb 08, 2013 at 02:59:25PM +0100, Paolo Bonzini wrote: > Il 08/02/2013 14:44, Andreas Färber ha scritto: > >>> >> Otherwise if someone can ack (or if you can point me to a manual), this > >>> >> looks like a good bugfix for v1.4. > >> > > >> > Right, I don't know what v1.4 is > > It's the QEMU release that we're about to make in a week. :-) > > http://wiki.qemu.org/Planning/1.4 > > > >> > but this still needs Richard's patchset > >> > enabling MOVBE dynamic translation in qemu to go in first before > >> > enabling MOVBE for the n270 model. > > OK, so this goes through Richard's queue then, no objections. > > I'm not sure I understand the relationship between QEMU CPUID bits and > TCG/KVM, but perhaps this could go in 1.4 for KVM. > > Does TCG have a way to mask bits that aren't supported in the > translator? For example AVX that is enabled by SandyBridge.
TCG mode automatically masks the bits not supported by TCG, see how x86_cpu_realizefn() uses TCG_FEATURES/TCG_EXT_FEATURES/etc. -- Eduardo
