Re: [RFC] KVM: X86: implement Passthrough IPI

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On Mon, 21 Sep 2020 at 10:51, Yang Zhang <yang.zhang.wz@xxxxxxxxx> wrote:
>
> Hi Paolo and Radim
>
> Any comments with this patch? From our daily business(including
> TikTok), we observed huge improvement with this patch(especially in
> the condition of heavy futex). The only concern is the security. It is
> ok to us since we are private cloud. But we really want to push it
> back upstream since it really helps a lot. So how about we turn it off
> by default. Is it acceptable to you?

You can passthrough anything you want for customized private cloud to
get the bare-metal performance, however, these codes should keep out
of the tree.

    Wanpeng



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