Re: [PATCH 0/2] Optimize atomic efer loading

Marcelo Tosatti
2010-12-23T14:39:19Z

On Tue, Dec 21, 2010 at 12:54:18PM +0200, Avi Kivity wrote:
> 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(-)

Applied, thanks.