Re: [PATCH 0/2] Optimize ds/es reload

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On Sun, May 13, 2012 at 07:53:22PM +0300, Avi Kivity wrote:
> The lightweight exit path needlessly reloads %ds and %es (and clobbers the
> user supplied values as well, a minor ABI bug).  This patchset fixes the bug
> and moves the reload to the heavyweight exit path (potentially skipping it
> completely on x86_64), reducing the vmexit cost by about 70 cycles.
> 
> Avi Kivity (2):
>   KVM: VMX: Fix %ds/%es clobber
>   KVM: VMX: Optimize %ds, %es reload
> 
>  arch/x86/kvm/vmx.c |   32 +++++++++++++++++++++++++++++++-
>  1 file changed, 31 insertions(+), 1 deletion(-)

Applied, thanks.

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