Messages in this thread | | | Subject | Re: Feedback on 4.9 performance after PTI fixes | From | Yves-Alexis Perez <> | Date | Mon, 08 Jan 2018 21:26:10 +0100 |
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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[unhandled content-type:application/pgp-signature] | |