linux-kernel - Re: [lkp-robot] [Kbuild] 050e9baa9d: netperf.Throughput_total

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Message-ID: <CA+55aFywQwJDAu6tdouAung+wHxRAWS7Rj8KhtMtHC=NGbF7rw@mail.gmail.com>
Date:   Thu, 21 Jun 2018 17:37:23 +0900
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Huang Ying <ying.huang@...el.com>
Cc:     kernel test robot <xiaolong.ye@...el.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        LKP <lkp@...org>, Aaron Lu <aaron.lu@...el.com>
Subject: Re: [lkp-robot] [Kbuild] 050e9baa9d: netperf.Throughput_total_tps
 -5.6% regression (FYI)

On Thu, Jun 21, 2018 at 5:25 PM Huang, Ying <ying.huang@...el.com> wrote:
> Do you have interest in some other comparison?

No, I think the overhead of the strong stackprotector is a bit sad,
but I assume it's because of the nasty code to load the stack canary
from a cacheline that has absolutely nothing else in it.

Oh well.

          Linus