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=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B8491C433B4 for ; Thu, 15 Apr 2021 07:11:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 89C39611AD for ; Thu, 15 Apr 2021 07:11:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231304AbhDOHLV (ORCPT ); Thu, 15 Apr 2021 03:11:21 -0400 Received: from www381.your-server.de ([78.46.137.84]:59882 "EHLO www381.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231301AbhDOHLU (ORCPT ); Thu, 15 Apr 2021 03:11:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=metafoo.de; s=default2002; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=XZuEordCFg9usJz8+FV+eiuBoQwGRAcvkHRboLDO42Q=; b=ED+HWLkvpMupUqrMJPwU+vZI7P z6HxsJQPmCLvc95nQuWmyr+d7O4uy0TJSMtnLwNytCASFX5J5/Uv/ilAdQvKxXtd7uDqWHGbUjuyz pVbZaJQoHCEOBb2HYnHoVp4sh9TV6V08ux6BAzpbPHrMqISODus8BjpR6TGQbwZ6VrfvnVENDjzyA 0mBJL/FVq3l/lPmblSxcz6etnAHBZPr5sryi7LG8rbGL08Q1Y+k00v35XOjgbnFUdtC8FPEyvWqQ9 QtjMGAzpXgS632L++4mlcY3lY3ZgcUOwF+NFfih4FaQxgV29e9LE/X0BMFpdOaRq7lbbb01XFt5mR KvrR+8ZQ==; Received: from sslproxy05.your-server.de ([78.46.172.2]) by www381.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1lWw9O-000DSu-Uy; Thu, 15 Apr 2021 09:10:54 +0200 Received: from [2001:a61:2a42:9501:9e5c:8eff:fe01:8578] by sslproxy05.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lWw9O-000PxL-PH; Thu, 15 Apr 2021 09:10:54 +0200 Subject: Re: [RFC v2 PATCH 6/7] dmaengine: xilinx_dma: Use tasklet_hi_schedule for timing critical usecase To: Radhey Shyam Pandey , vkoul@kernel.org, robh+dt@kernel.org, michal.simek@xilinx.com Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, git@xilinx.com References: <1617990965-35337-1-git-send-email-radhey.shyam.pandey@xilinx.com> <1617990965-35337-7-git-send-email-radhey.shyam.pandey@xilinx.com> From: Lars-Peter Clausen Message-ID: <52f01459-13be-ff29-1c07-b98636169c74@metafoo.de> Date: Thu, 15 Apr 2021 09:10:54 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: <1617990965-35337-7-git-send-email-radhey.shyam.pandey@xilinx.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Authenticated-Sender: lars@metafoo.de X-Virus-Scanned: Clear (ClamAV 0.102.4/26140/Wed Apr 14 13:10:01 2021) Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 4/9/21 7:56 PM, Radhey Shyam Pandey wrote: > Schedule tasklet with high priority to ensure that callback processing > is prioritized. It improves throughput for netdev dma clients. Do you have specific numbers on the throughput improvement?