From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755461AbeDFOw4 (ORCPT ); Fri, 6 Apr 2018 10:52:56 -0400 Received: from isilmar-4.linta.de ([136.243.71.142]:47964 "EHLO isilmar-4.linta.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753314AbeDFOwy (ORCPT ); Fri, 6 Apr 2018 10:52:54 -0400 Date: Fri, 6 Apr 2018 16:52:39 +0200 From: Dominik Brodowski To: Christoph Hellwig Cc: thomas.lendacky@amd.com, tglx@linutronix.de, dwmw2@infradead.org, joro@8bytes.org, jdmason@kudzu.us, konrad.wilk@oracle.com, torvalds@linux-foundation.org, mulix@mulix.org, peterz@infradead.org, iommu@lists.linux-foundation.org, mingo@kernel.org, linux-kernel@vger.kernel.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com Subject: Re: x86/dma conversion for v4.17-rc1 breaks sound / sst-acpi (commit 6e4bf5867783) Message-ID: <20180406145239.GA1845@light.dominikbrodowski.net> References: <20180405205657.GA1788@light.dominikbrodowski.net> <20180406141452.GA29724@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180406141452.GA29724@lst.de> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 06, 2018 at 04:14:52PM +0200, Christoph Hellwig wrote: > Hi Dominik, > > can you try current Linus' master with the following hack applied and > see if that works? > > diff --git a/lib/swiotlb.c b/lib/swiotlb.c > index 47aeb04c1997..32aacd0d56a8 100644 > --- a/lib/swiotlb.c > +++ b/lib/swiotlb.c > @@ -1087,6 +1087,6 @@ const struct dma_map_ops swiotlb_dma_ops = { > .unmap_sg = swiotlb_unmap_sg_attrs, > .map_page = swiotlb_map_page, > .unmap_page = swiotlb_unmap_page, > - .dma_supported = swiotlb_dma_supported, > + .dma_supported = dma_direct_supported, > }; > #endif /* CONFIG_DMA_DIRECT_OPS */ Yes, it solves the issue. Thanks, Dominik