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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,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 1F6F0C433E3 for ; Fri, 21 Aug 2020 04:41:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFB6C2075E for ; Fri, 21 Aug 2020 04:41:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=skidata.com header.i=@skidata.com header.b="oVkHTLce" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726279AbgHUElk (ORCPT ); Fri, 21 Aug 2020 00:41:40 -0400 Received: from mail2.skidata.com ([91.230.2.91]:2296 "EHLO mail2.skidata.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725270AbgHUElj (ORCPT ); Fri, 21 Aug 2020 00:41:39 -0400 X-Greylist: delayed 432 seconds by postgrey-1.27 at vger.kernel.org; Fri, 21 Aug 2020 00:41:38 EDT DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=skidata.com; i=@skidata.com; q=dns/txt; s=selector1; t=1597984899; x=1629520899; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8MCltXRL+RGxf4gw22SJJk0rZoXwbuNIta681mVBukg=; b=oVkHTLcejWFNHoZlNHs3zN4oXkYbvWRQTYwWBKfs4lBfMjgfrhhVe/Es 40JAMoksRnMtLzbiSKd6EWC0XR8an+3lOUMRsmgR6SC7hMZSrAXlR4YpV +SsZPxcDX9+VWWZL5kdjoWXW0mOIrgQRTKVSHGwFxdp6R+TKe5p7CFnbs hcXdFAtvI4uZOuf2IIw9bYeJH/pwLbyPCWCuGIHe+tuaDrPSjIERlwIn0 +xpyqMFjrknY/3xeKhlDXeNdrOn8+ndTvBM9UMmCVupguWwVtFgM6P8dj JpuKjzO4u6NU3jZhZERVXvC+0a59/3KReZN6waVG5nuhJt9P+/t6+hA90 g==; IronPort-SDR: HAN9vym7mM33d8fMsKj7u4xEC2g2HvwohDQjA95kU2hj4jut2jxR/PHsvKaEd7LbB7+IDRkmaB Zj/9cm09Gb+dP1nj9NLcIT5B+4A8/7PBANIHGP5zyyRfYxDJyi9jP0d8Y4eWOAVXQ05OH539Re NEwAp5488VCy830zzz14uO+BsLZJnhTVS0/xn/kmzWinSOQyaQLyXxLtVcX2jB0GvOns9WFHBC J8FOf9prgzvqw/1mFhBCfyrAKFizPQmu/tk7pPG4uM3HvHH3dUSuBxxPp+3XpUHxvBxqPsjzc5 UjY= X-IronPort-AV: E=Sophos;i="5.76,335,1592863200"; d="scan'208";a="2647454" Date: Fri, 21 Aug 2020 06:34:18 +0200 From: Richard Leitner To: Robin Gong CC: Benjamin Bara - SKIDATA , Lars-Peter Clausen , "timur@kernel.org" , "nicoleotsuka@gmail.com" , "vkoul@kernel.org" , "dan.j.williams@intel.com" , dl-linux-imx , "shawnguo@kernel.org" , "kernel@pengutronix.de" , "dmaengine@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "alsa-devel@alsa-project.org" Subject: Re: pcm|dmaengine|imx-sdma race condition on i.MX6 Message-ID: <20200821043418.GA65616@pcleri> References: <20200813112258.GA327172@pcleri> <61498763c60e488a825e8dd270732b62@skidata.com> <16942794-1e03-6da0-b8e5-c82332a217a5@metafoo.de> <6b5799a567d14cfb9ce34d278a33017d@skidata.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-Originating-IP: [192.168.111.252] X-ClientProxiedBy: sdex6srv.skidata.net (192.168.111.84) To sdex5srv.skidata.net (192.168.111.83) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 20, 2020 at 03:01:44PM +0000, Robin Gong wrote: > On 2020/08/19 22:26 Benjamin Bara - SKIDATA wrote: > > > > @Robin: > > Is it possible to tag the commits for the stable-tree > > Cc: stable@vger.kernel.org? > Could my patch work in your side? If yes, I will add > Cc: stable@vger.kernel.org I've tested the patches 3 & 4 (removing sdmac->context_loaded) of the series you mentioned and sent Tested-by tags for them [1,2], as they fix the EIO problems for our use case. So from our side they are fine for stable. [1] https://lore.kernel.org/dmaengine/20200817053813.GA551027@pcleri/T/#u [2] https://lore.kernel.org/dmaengine/20200817053820.GB551027@pcleri/T/#u regards;rl