Received: by 2002:ac0:a679:0:0:0:0:0 with SMTP id p54csp525308imp; Thu, 21 Feb 2019 06:15:09 -0800 (PST) X-Google-Smtp-Source: AHgI3IZhe/DsHLXFxNINBMonT4YyBBUU/0Tf+l3cnFcf6IC15XZMVl2jyHare5jRxCgxmB2Lv5TD X-Received: by 2002:a63:ef05:: with SMTP id u5mr12576740pgh.177.1550758508921; Thu, 21 Feb 2019 06:15:08 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1550758508; cv=none; d=google.com; s=arc-20160816; b=rEIPUjCO6FCSuEL9Gd08WwxOgT/ykKYdP2YnZ4M6CIfTCVt0zNMqUAiWR8T+xrvpUr mFiBdfhfx4Oqkb2WW6PwqndpMzJV/AvhmAz/1X9x/GmzqGrfYLxS4f01ImJe5taZcP7t ySq7zB69g3pusQzUTXRTf2HoRuwYAnrs3Cd28clU6pbmrUuRLjdaLN+saeDO3j3XdurN 3moN84xk5gXWbFTUMwuCXQQq/6qZSJORsDWqAqxjtNKcjTY/FRO0qIwoCGv7nPtuSkGW Ybj4SGhUAPpNBu7H5GuQQZuHcpUOSPK7oy6VTgxVR92qHiY+GxLn9++UmkU/dTcZ/gNT jxZQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=EAB39hRfEIVDoplM8VLHr4+x78lmjxq77vgr0Rcfs8o=; b=sW0MSF1+JW0i9n7Gf50wXvetDXm2QNA7XJ9xV2M/eNblO9k+eoAg0fKosMMxmIV9P+ UrIXA/9d6D9HC8RayrRiGEyWLY4BVVKCGRgZPEcHbNHnNXhQr9XjFBJP4ViND8mNtBWR g5ACUwg8zPU929hcQE0pGchsjqfHyCfptS+/G1cIZmq0vTFhVAcsoHh5ZkHZdg9FC66x V/nSmkn18UlPDdDmmsliN7vGV6f7FPEBOqSFbyhNoU3oBDdN2CXE4IjarTdD9AvvEInP uEwKV5PJRuzzjRbi79CXCNBwc4WvvUPWMtQyBSQttdhRaAOts4qXHWKqAaT4uwdcwevc Vawg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t1si20196844pgi.364.2019.02.21.06.14.43; Thu, 21 Feb 2019 06:15:08 -0800 (PST) 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; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726617AbfBUOOO (ORCPT + 99 others); Thu, 21 Feb 2019 09:14:14 -0500 Received: from foss.arm.com ([217.140.101.70]:45088 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725385AbfBUOOO (ORCPT ); Thu, 21 Feb 2019 09:14:14 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0C77880D; Thu, 21 Feb 2019 06:14:14 -0800 (PST) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BF95D3F575; Thu, 21 Feb 2019 06:14:11 -0800 (PST) Date: Thu, 21 Feb 2019 14:14:09 +0000 From: Will Deacon To: Waiman Long Cc: Peter Zijlstra , Ingo Molnar , Thomas Gleixner , linux-kernel@vger.kernel.org, x86@kernel.org, Arnd Bergmann , Borislav Petkov , "H. Peter Anvin" , Davidlohr Bueso , Linus Torvalds , Andrew Morton , Tim Chen Subject: Re: [PATCH-tip v2 01/10] locking/rwsem: Relocate rwsem_down_read_failed() Message-ID: <20190221141409.GB12696@fuggles.cambridge.arm.com> References: <1550263810-31947-1-git-send-email-longman@redhat.com> <1550263810-31947-2-git-send-email-longman@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1550263810-31947-2-git-send-email-longman@redhat.com> User-Agent: Mutt/1.11.1+86 (6f28e57d73f2) () Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 15, 2019 at 03:50:01PM -0500, Waiman Long wrote: > The rwsem_down_read_failed*() functions were relocted from above the > optimistic spinning section to below that section. This enables the > reader functions to use optimisitic spinning in future patches. There > is no code change. > > Signed-off-by: Waiman Long > --- > kernel/locking/rwsem-xadd.c | 172 ++++++++++++++++++++++---------------------- > 1 file changed, 86 insertions(+), 86 deletions(-) Just a straightforward code move: Acked-by: Will Deacon Will