Re: Feedback on 4.9 performance after PTI fixes

[Yves-Alexis Perez]

On Mon, 2018-01-08 at 19:26 +0100, Willy Tarreau wrote:
> You're totally right, I discovered during my later developments that
> indeed PCID is not exposed there. So we take the hit of a full TLB
> flush twice per syscall.

So I really think it might make sense to redo the tests with PCID, because the
 assumptions you're basing your patch series on might actually not hold.

Regards,
-- 
Yves-Alexis

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