The first patch ensures that XSAVES is not exposed in the guest until we emulate MSR_IA32_XSS. The second exports XSAVE data in the correct format. I tested these on a non-XSAVES system so they should not be completely broken, but I need some help. I am not even sure which XSAVE states are _not_ enabled, and thus compacted, in Linux. Note that these patches do not add support for XSAVES in the guest yet, since MSR_IA32_XSS is not emulated. If they fix the bug Nadav reported, I'll add Reported-by and commit. Thanks, Paolo v1->v2: also adjust KVM_SET_XSAVE Paolo Bonzini (2): kvm: x86: mask out XSAVES KVM: x86: support XSAVES usage in the host arch/x86/kvm/cpuid.c | 11 ++++++- arch/x86/kvm/x86.c | 87 +++++++++++++++++++++++++++++++++++++++++++----- 2 files changed, 90 insertions(+), 8 deletions(-) -- 1.8.3.1 -- 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
