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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 8A118C3A59C for ; Fri, 16 Aug 2019 16:43:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B9992077C for ; Fri, 16 Aug 2019 16:43:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726925AbfHPQnG (ORCPT ); Fri, 16 Aug 2019 12:43:06 -0400 Received: from verein.lst.de ([213.95.11.211]:56730 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726245AbfHPQnF (ORCPT ); Fri, 16 Aug 2019 12:43:05 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 951D168B05; Fri, 16 Aug 2019 18:43:01 +0200 (CEST) Date: Fri, 16 Aug 2019 18:43:01 +0200 From: Christoph Hellwig To: Tobias Klausmann Cc: kvalo@codeaurora.org, davem@davemloft.net, ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, nicoleotsuka@gmail.com, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, iommu@lists.linux-foundation.org, tobias.klausmann@freenet.de Subject: Re: regression in ath10k dma allocation Message-ID: <20190816164301.GA3629@lst.de> References: <8fe8b415-2d34-0a14-170b-dcb31c162e67@mni.thm.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8fe8b415-2d34-0a14-170b-dcb31c162e67@mni.thm.de> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Tobias, do you have CONFIG_DMA_CMA set in your config? If not please make sure you have this commit in your testing tree, and if the problem still persists it would be a little odd and we'd have to dig deeper: commit dd3dcede9fa0a0b661ac1f24843f4a1b1317fdb6 Author: Nicolin Chen Date: Wed May 29 17:54:25 2019 -0700 dma-contiguous: fix !CONFIG_DMA_CMA version of dma_{alloc, free}_contiguous()