> On Nov 6, 2014, at 10:58, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > On 05/11/2014 21:31, Nadav Amit wrote: >> You are correct, it does not appear clearly in the SDM, but that is what real hardware does. >> If you look at bochs - http://code.metager.de/source/xref/bochs/bochs/cpu/init.cc - you’ll see they call >> "BX_CPU_THIS_PTR xcr0.set32(0x1);” regardless to whether it is hardware or software reset (the latter happens on INIT). > > Fair enough. :) Thanks. It is turning harder to find references for the crazy x86 behaviour. :) > > Does the patch in > http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/129060 look good? Yes. However, re-reviewing the patches both my patch and yours actually do something slightly different than the spec: they clear XMM8-15 and YMM[128:…] which should not happen on INIT according to the spec. Fixing it might be a bit intrusive. What do you say? Nadav-- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
