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=-5.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 04493C35646 for ; Fri, 21 Feb 2020 15:25:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C9F2820679 for ; Fri, 21 Feb 2020 15:25:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="yX6oeuzD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728908AbgBUPZU (ORCPT ); Fri, 21 Feb 2020 10:25:20 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:40186 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727352AbgBUPZU (ORCPT ); Fri, 21 Feb 2020 10:25:20 -0500 Received: by mail-wr1-f67.google.com with SMTP id t3so2488432wru.7 for ; Fri, 21 Feb 2020 07:25:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=ssZD75jnMR4hkpMZQUIaBV1XsPq4KUUD/45GvDXOh8w=; b=yX6oeuzDqFoZotjwwRgZd5CJF3eHAtckqPKNrFkSSKUDFAL1TVu9g61iJVR0q4hHyW epgF3jHjPOWQNa6WvdAnZZrzQtDlOrSuHdhobX7Y+3sUBfCK6GPrx8vuaWJLi+JUh1S0 RYm49beZQuMWbbzg/5bWn2uN27+wBKRv7RcXThQR+Pr3swRb9hG3E88MOMckycX14led z8lJSPmTA4LPMZU/rdFJe2feUGN5EEDV/mzy+5itKq0TRuiTl1vYk3LqW1WGKJLXG2QK gghGgkMqjtPYzdu8l4TDJUuLl+UNj5SpAJKfdbg838eN9hE58QjK/EsTpkej5LXnFk95 m5Og== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=ssZD75jnMR4hkpMZQUIaBV1XsPq4KUUD/45GvDXOh8w=; b=LixZcvXvmjEhPLSlOIM095ZWIRCrtKw190wxXJG94111s0WHkO5vwpzijTYAFNs6Nh bzTSvSqiYko5n0SMZcnO4UXTHTg4IsTo4ZPNnsTJPTt1FBVWPvoAQJKCLYO+kH+88ueV eJFo/RSgX4BMY7igwhLAO+s4NpT5TK8gmMXU8KpXj6SdS3CZqOYG5ZdKXRyYuhxcq8yp qrelVmZUE0/mweUvDmUk/ZYLgCavSvowQqwtLGWBCFy5YoQzRzs86wjN3TSRdNOYhnva 5qwYG5Z3SR8D6dhL9oePiJmEiM1Vc4NwtjW2NxVyju53SxbKTniPFTawqr2Xp8KTPLhJ 8puA== X-Gm-Message-State: APjAAAXR4PVcCR8ROUJmI6RMgXeLhPu5VhazVsg5lGporiUlyA9KBWn2 TgfP1FSQarv+CAjZwSoLGpMkbg== X-Google-Smtp-Source: APXvYqw8hWuDjGFL1KGZLrxDnhUgXxseZzDmu9i2/+jn5uput9GGc8z+ISI5Gbt27cwRskGJrGca9Q== X-Received: by 2002:a5d:610c:: with SMTP id v12mr46836567wrt.88.1582298718203; Fri, 21 Feb 2020 07:25:18 -0800 (PST) Received: from linaro.org ([2a01:e34:ed2f:f020:903b:a048:f296:e3ae]) by smtp.gmail.com with ESMTPSA id t187sm4488863wmt.25.2020.02.21.07.25.16 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 21 Feb 2020 07:25:17 -0800 (PST) Date: Fri, 21 Feb 2020 16:25:15 +0100 From: Daniel Lezcano To: Dmitry Osipenko Cc: Thierry Reding , Jonathan Hunter , Peter De Schrijver , "Rafael J. Wysocki" , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Jasper Korten , David Heidelberg , Peter Geis , linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 10/17] arm: tegra20: cpuidle: Make abort_flag atomic Message-ID: <20200221152515.GM10516@linaro.org> References: <20200212235134.12638-1-digetx@gmail.com> <20200212235134.12638-11-digetx@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200212235134.12638-11-digetx@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On Thu, Feb 13, 2020 at 02:51:27AM +0300, Dmitry Osipenko wrote: > Replace memory accessors with atomic API just to make code consistent > with the abort_barrier. The new variant may be even more correct now since > atomic_read() will prevent compiler from generating wrong things like > carrying abort_flag value in a register instead of re-fetching it from > memory. > > Acked-by: Peter De Schrijver > Tested-by: Peter Geis > Tested-by: Jasper Korten > Tested-by: David Heidelberg > Signed-off-by: Dmitry Osipenko Acked-by: Daniel Lezcano