In some cases we resort to loading EFER via the atomic msr load on entry/exit facility. This is incredibly slow. Use the faster entry/exit LOAD_IA32_EFER controls instead, when available. Avi Kivity (2): KVM: VMX: Add definitions for more vm entry/exit control bits KVM: VMX: Optimize atomic EFER load arch/x86/include/asm/vmx.h | 8 ++++++++ arch/x86/kvm/vmx.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 0 deletions(-) -- 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