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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 25 Feb 2018 13:18:38 -0800
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Subject: Re: [lkp-robot] [iversion] c0cef30e4f: aim7.jobs-per-min -18.0% regression
To: kernel test robot <xiaolong.ye@intel.com>
Cc: Jeff Layton <jlayton@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
        LKP <lkp@01.org>
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On Sun, Feb 25, 2018 at 7:05 AM, kernel test robot
<xiaolong.ye@intel.com> wrote:
>
> FYI, we noticed a -18.0% regression of aim7.jobs-per-min due to commit:
>
> commit: c0cef30e4ff0dc025f4a1660b8f0ba43ed58426e ("iversion: make inode_cmp_iversion{+raw} return bool instead of s64")

That looks very unlikely.  Can you double-check that? Because it
shouldn't even change anything apart from trivial compiler instruction
selection.

             Linus