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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 EE01DC2D0A3 for ; Mon, 9 Nov 2020 11:56:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98F04207BC for ; Mon, 9 Nov 2020 11:56:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604922994; bh=YSPOnZ9WyeWCMZa0fv9ReScihrXEhj6QtSBLU7BD/OA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=KgSwRWGSQHF/+LvHJQF21nB/7+n0FdtOBsFaCQEg2GR7za98q4+vgLI0B7nBQ/gae sJuCAB8qzLBSJKiMMddigdfqkLGPa2Fs9zKHPrAclo/zb8Dwml/3C9DnvGVteJq3AQ jRi+2qNQMumBimBoHplCKX37cYgg1XL61wp5fbXY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727311AbgKIL4e (ORCPT ); Mon, 9 Nov 2020 06:56:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:37464 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726410AbgKIL4e (ORCPT ); Mon, 9 Nov 2020 06:56:34 -0500 Received: from localhost (unknown [122.171.147.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8F5B120789; Mon, 9 Nov 2020 11:56:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604922993; bh=YSPOnZ9WyeWCMZa0fv9ReScihrXEhj6QtSBLU7BD/OA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=1eW+9N8tIzc9065UasyQEKovO56wPhUPN6Mh8E+2795/TViAiGtXZhVvVvS6qGZ/7 G/9QqneGCIgdgwlX6/rR8naNJmh4bgyaXO8htk40kz7DQUyKj3Rjs19cN2dnePkMQp 4msQRjT1x8yOdXOC8fuM25vgK9CsvNCjvlEOcuio= Date: Mon, 9 Nov 2020 17:26:29 +0530 From: Vinod Koul To: Barry Song Cc: dmaengine@vger.kernel.org, linuxarm@huawei.com Subject: Re: [PATCH v2 00/10] dmaengine: a bundle of cleanup on spin_lock_irqsave/irqrestore Message-ID: <20201109115629.GN3171@vkoul-mobl> References: <20201027215252.25820-1-song.bao.hua@hisilicon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201027215252.25820-1-song.bao.hua@hisilicon.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 28-10-20, 10:52, Barry Song wrote: > Running in hardIRQ, disabling IRQ is redundant since hardIRQ has disabled > IRQ. This patch removes the irqsave and irqstore to save some instruction > cycles. Applied all, thanks -- ~Vinod