From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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=-8.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 5D628C43461 for ; Tue, 15 Sep 2020 22:12:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 158BD20809 for ; Tue, 15 Sep 2020 22:12:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="bGRWhGvX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727822AbgIOWMU (ORCPT ); Tue, 15 Sep 2020 18:12:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:47855 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727779AbgIOQrX (ORCPT ); Tue, 15 Sep 2020 12:47:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600188437; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=yBGNCThVQoPy+c7zOE5rsaNWgSLI9kb7Rso81Yk4aWk=; b=bGRWhGvXrH7CTwpczJ5wBzOKJQO9JYGUmM22MWYgh4sjxrISiS+eV2zcB4dAmIRMMGuZue 11G3bO3C+RAWAsFz16HuGRIuY8/qMTaFDKFily+YDezFeYk3mdGDgP/yIJQxQxDkr6kpxe fG56v8Ieca/I6Nrn0hrXlELnVFLfeho= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-19-Is66lbuWM0OdTxL3UtT69w-1; Tue, 15 Sep 2020 12:47:13 -0400 X-MC-Unique: Is66lbuWM0OdTxL3UtT69w-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 86E16425D3; Tue, 15 Sep 2020 16:47:11 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.40.192.186]) by smtp.corp.redhat.com (Postfix) with SMTP id 55C2919D61; Tue, 15 Sep 2020 16:47:08 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 15 Sep 2020 18:47:11 +0200 (CEST) Date: Tue, 15 Sep 2020 18:47:07 +0200 From: Oleg Nesterov To: peterz@infradead.org Cc: Hou Tao , Ingo Molnar , Will Deacon , Dennis Zhou , Tejun Heo , Christoph Lameter , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jan Kara Subject: Re: [RFC PATCH] locking/percpu-rwsem: use this_cpu_{inc|dec}() for read_count Message-ID: <20200915164706.GB6881@redhat.com> References: <20200915140750.137881-1-houtao1@huawei.com> <20200915150610.GC2674@hirez.programming.kicks-ass.net> <20200915153113.GA6881@redhat.com> <20200915155150.GD2674@hirez.programming.kicks-ass.net> <20200915160344.GH35926@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200915160344.GH35926@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/15, Peter Zijlstra wrote: > > On Tue, Sep 15, 2020 at 05:51:50PM +0200, peterz@infradead.org wrote: > > > Anyway, I'll rewrite the Changelog and stuff it in locking/urgent. > > How's this? Thanks Peter, Acked-by: Oleg Nesterov