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[213.95.11.211]) by mx.google.com with ESMTPS id m16si6590720wrv.419.2019.02.10.23.38.04 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 10 Feb 2019 23:38:04 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) client-ip=213.95.11.211; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de Received: by newverein.lst.de (Postfix, from userid 2407) id 4E7517F11E; Mon, 11 Feb 2019 08:38:04 +0100 (CET) Date: Mon, 11 Feb 2019 08:38:04 +0100 From: Christoph Hellwig To: Christian Zigotzky Cc: Christoph Hellwig , linux-arch@vger.kernel.org, Darren Stevens , linux-kernel@vger.kernel.org, Julian Margetson , linux-mm@kvack.org, iommu@lists.linux-foundation.org, Paul Mackerras , Olof Johansson , linuxppc-dev@lists.ozlabs.org Subject: Re: use generic DMA mapping code in powerpc V4 Message-ID: <20190211073804.GA15841@lst.de> References: <20190204075616.GA5408@lst.de> <20190204123852.GA10428@lst.de> <20190206151505.GA31065@lst.de> <20190206151655.GA31172@lst.de> <61EC67B1-12EF-42B6-B69B-B59F9E4FC474@xenosoft.de> <7c1f208b-6909-3b0a-f9f9-38ff1ac3d617@xenosoft.de> <20190208091818.GA23491@lst.de> <4e7137db-e600-0d20-6fb2-6d0f9739aca3@xenosoft.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4e7137db-e600-0d20-6fb2-6d0f9739aca3@xenosoft.de> User-Agent: Mutt/1.5.17 (2007-11-01) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Feb 10, 2019 at 01:00:20PM +0100, Christian Zigotzky wrote: > I tested the whole series today. The kernels boot and the P.A. Semi > Ethernet works! :-) Thanks a lot! > > I also tested it in a virtual e5500 QEMU machine today. Unfortunately the > kernel crashes. This looks like a patch I fixed in mainline a while ago, but which the powerpc tree didn't have yet. I've cherry picked this commit ("swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit") and added it to the powerpc-dma.6 tree, please retry with that one.