Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <20180621080624.GO11011@yexl-desktop> <CA+55aFxXCD8qLfHcnshLR2_Feb=RLkOFfCeqPF_sShy7rK2cAw@mail.gmail.com>
 <87muvoh7fy.fsf@yhuang-dev.intel.com>
In-Reply-To: <87muvoh7fy.fsf@yhuang-dev.intel.com>
From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Thu, 21 Jun 2018 17:37:23 +0900
Message-ID: <CA+55aFywQwJDAu6tdouAung+wHxRAWS7Rj8KhtMtHC=NGbF7rw@mail.gmail.com>
Subject: Re: [lkp-robot] [Kbuild] 050e9baa9d: netperf.Throughput_total_tps
 -5.6% regression (FYI)
To:     Huang Ying <ying.huang@intel.com>
Cc:     kernel test robot <xiaolong.ye@intel.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        LKP <lkp@01.org>, Aaron Lu <aaron.lu@intel.com>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Jun 21, 2018 at 5:25 PM Huang, Ying <ying.huang@intel.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