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[23.128.96.18]) by mx.google.com with ESMTP id d5si2230506pls.48.2021.04.15.00.13.13; Thu, 15 Apr 2021 00:13:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@metafoo.de header.s=default2002 header.b=ED+HWLkv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=metafoo.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231313AbhDOHLW (ORCPT + 99 others); Thu, 15 Apr 2021 03:11:22 -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: linux-kernel@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?