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[2a01:238:20a:202:5301::12]) by mx.google.com with ESMTPS id n9si2736015wmh.76.2019.02.12.11.32.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Feb 2019 11:32:05 -0800 (PST) Received-SPF: neutral (google.com: 2a01:238:20a:202:5301::12 is neither permitted nor denied by best guess record for domain of chzigotzky@xenosoft.de) client-ip=2a01:238:20a:202:5301::12; Authentication-Results: mx.google.com; dkim=pass header.i=@xenosoft.de header.s=strato-dkim-0002 header.b="i+kTKK/N"; spf=neutral (google.com: 2a01:238:20a:202:5301::12 is neither permitted nor denied by best guess record for domain of chzigotzky@xenosoft.de) smtp.mailfrom=chzigotzky@xenosoft.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1549999925; s=strato-dkim-0002; d=xenosoft.de; h=In-Reply-To:Date:Message-ID:From:References:Cc:To:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=srsW5XV2evoYsiR+WjtWPqDx2l+Rpp40ZvD9oBayhVk=; b=i+kTKK/NxzBcr5nZukur/KsIlAkAZOcho67dt/fUk3fJtTIRp97XJfX19Kb7VCEKvK X0pXps/5/6LTWlrvID0SPQXv4yz9WYRWdTt7ysm/oTz+mng2Sgh3CozqZb2h/WoNzae3 66tQzktG0DCrK01CWNoMpUwsec4VJzg7DkWdWGLdYv4wsk4qfGoTxtLvQVAIsuSwBm9p 6Aw3+oqXrRtqobkW9hkfx0/dk7y4xky8P+9U2myNPzlM+Weoe7VGR+8A6igQvlWwCwut 7M04ixdj8D9NK8NpmHJ9A4bhDdmXZ5zqzVVmhR4Gf8oZMQT/zIrep9VONYa1qA13670w EPiA== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGM4l4Hio94KKxRySfLxnHfJ+Dkjp5G5MdirQj0WG7CldjiKRzWNYwK19ivDpIsfNmMN15w==" X-RZG-CLASS-ID: mo00 Received: from [IPv6:2a02:8109:a400:162c:b071:4d43:dec6:a483] by smtp.strato.de (RZmta 44.9 AUTH) with ESMTPSA id t0203dv1CJVuRuI (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Tue, 12 Feb 2019 20:31:56 +0100 (CET) Subject: Re: use generic DMA mapping code in powerpc V4 To: Christoph Hellwig Cc: 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 References: <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> <20190211073804.GA15841@lst.de> <820bfeb1-30c0-3d5a-54a2-c4f9a8c15b0e@xenosoft.de> <20190212152543.GA24061@lst.de> From: Christian Zigotzky Message-ID: <47bff9d1-7001-4d92-4ad1-e24215b56555@xenosoft.de> Date: Tue, 12 Feb 2019 20:31:56 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <20190212152543.GA24061@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: de-DE 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 12 February 2019 at 4:25PM, Christoph Hellwig wrote: > On Tue, Feb 12, 2019 at 01:42:56PM +0100, Christian Zigotzky wrote: >> On 11 February 2019 at 08:38AM, Christoph Hellwig wrote: >>> 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. >>> >> Hello Christoph, >> >> Have you added it to the powerpc-dma.6 tree yet? The last commit was 4 days >> ago. > I added it, but forgot to push it out. It is there now, sorry: > > http://git.infradead.org/users/hch/misc.git/commitdiff/2cf0745b7420af4a3e871d5a970a45662dfae69c > Hi Christoph Many thanks! Your Git kernel works in a virtual e5500 machine now! :-) I think we have reached the end of testing! All things are working with your DMA updates. I am looking forward to test your DMA changes in the next merge window again. :-) Cheers Christian