AMD k10 includes support for the FFXSR feature, which leaves out XMM registers on FXSAVE/FXSAVE when the EFER_FFXSR bit is set in EFER.
This patchset enables support for the FFXSR feature in KVM, allowing the VM to set the bit in EFER when the physical CPU and the guest's CPUID allow it. v2 adds CPUID capability exposure Alexander Graf (2): Add EFER descriptions for FFXSR Add FFXSR support to KVM v2 arch/x86/include/asm/msr-index.h | 2 ++ arch/x86/kvm/svm.c | 3 +++ arch/x86/kvm/x86.c | 12 ++++++++++++ 3 files changed, 17 insertions(+), 0 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
