Re: [PATCH v2 4/4] x86/kvm/hyper-v: avoid open-coding stimer_mark_pending() in kvm_hv_notify_acked_sint()

[Paolo Bonzini]

On 26/11/18 16:47, Vitaly Kuznetsov wrote:
> stimers_pending optimization only helps us to avoid multiple
> kvm_make_request() calls. This doesn't happen very often and these
> calls are very cheap in the first place, remove open-coded version of
> stimer_mark_pending() from kvm_hv_notify_acked_sint().

I wouldn't say very cheap, but still relatively cheap compared to a vmexit.

Paolo