On Tuesday 19 August 2008, [EMAIL PROTECTED] wrote:
> Dependent on the already existing CONFIG_KVM_GUEST config option this patch
> changes wrteei to wrtee allowing the hypervisor to rewrite those to
> nontrapping
> instructions. Maybe we should split the kvm guest otpimizations in two parts
> one for the overhead free optimizations and on for the rest that might add
> some complexity for non virtualized execution (like this one).
>
> Signed-off-by: Christian Ehrhardt <[EMAIL PROTECTED]>
How significant is the performance impact of this change for non-virtualized
systems? If it's very low, maybe you should not bother with the #ifdef, and
if it's noticable, you might be better off using dynamic patching for this.
Arnd <><
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