From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=QLNC=JI=vger.kernel.org=linux-kernel-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
X-Spam-Level: 
X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham
	autolearn_force=no version=3.4.0
Received: from mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id A79B1C43142
	for <linux-kernel@archiver.kernel.org>; Fri, 22 Jun 2018 15:14:22 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by mail.kernel.org (Postfix) with ESMTP id 5A22E24474
	for <linux-kernel@archiver.kernel.org>; Fri, 22 Jun 2018 15:14:22 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A22E24474
Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ZenIV.linux.org.uk
Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S933756AbeFVPOV (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Fri, 22 Jun 2018 11:14:21 -0400
Received: from zeniv.linux.org.uk ([195.92.253.2]:37772 "EHLO
        ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S933354AbeFVPOS (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Fri, 22 Jun 2018 11:14:18 -0400
Received: from viro by ZenIV.linux.org.uk with local (Exim 4.87 #1 (Red Hat Linux))
        id 1fWNlJ-00036p-CO; Fri, 22 Jun 2018 15:14:09 +0000
Date:   Fri, 22 Jun 2018 16:14:09 +0100
From:   Al Viro <viro@ZenIV.linux.org.uk>
To:     Christoph Hellwig <hch@lst.de>
Cc:     kernel test robot <xiaolong.ye@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Darrick J. Wong" <darrick.wong@oracle.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>, lkp@01.org
Subject: Re: [lkp-robot] [fs]  3deb642f0d:  will-it-scale.per_process_ops
 -8.8% regression
Message-ID: <20180622151409.GA30522@ZenIV.linux.org.uk>
References: <20180622082752.GX11011@yexl-desktop>
 <20180622150251.GA12802@lst.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20180622150251.GA12802@lst.de>
User-Agent: Mutt/1.9.1 (2017-09-22)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

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.