linux-kernel - Re: [lkp-robot] [fs] 3deb642f0d: will-it-scale.per_process

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Message-ID: <20180622151409.GA30522@ZenIV.linux.org.uk>
Date:   Fri, 22 Jun 2018 16:14:09 +0100
From:   Al Viro <viro@...IV.linux.org.uk>
To:     Christoph Hellwig <hch@....de>
Cc:     kernel test robot <xiaolong.ye@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: Re: [lkp-robot] [fs]  3deb642f0d:  will-it-scale.per_process_ops
 -8.8% regression

On Fri, Jun 22, 2018 at 05:02:51PM +0200, Christoph Hellwig wrote:
> Hi Xiaolong,
> 
> can you retest this workload on the following branch:
> 
>     git://git.infradead.org/users/hch/vfs.git remove-get-poll-head
> 
> Gitweb:
> 
>     http://git.infradead.org/users/hch/vfs.git/shortlog/refs/heads/remove-get-poll-head

See objections upthread re "fs,net: move poll busy loop handling into a
separate method"; as for the next one... I'd like an ACK from networking
folks.  The rest of queue makes sense.