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=-5.4 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 3A82DC433E7 for ; Wed, 2 Sep 2020 15:10:18 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 04F47207D3 for ; Wed, 2 Sep 2020 15:10:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="L8sV5DSy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 04F47207D3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id BB52B2E1A6; Wed, 2 Sep 2020 15:10:17 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xxyAb+6Khpvg; Wed, 2 Sep 2020 15:10:09 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 7B1412E1E9; Wed, 2 Sep 2020 15:03:47 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 51353C0894; Wed, 2 Sep 2020 15:03:47 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id A8B78C0052 for ; Wed, 2 Sep 2020 15:03:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 7A8BE8724C for ; Wed, 2 Sep 2020 15:03:45 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aaPduCtrm81K for ; Wed, 2 Sep 2020 15:03:43 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) by hemlock.osuosl.org (Postfix) with ESMTPS id 19E408727F for ; Wed, 2 Sep 2020 15:03:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1599058860; bh=9mONAPviboKjYh84a+hy1GCQTwP3D+gQs9CslXOAS7A=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=L8sV5DSyxZUjMdCJhBHYorScxg6Z4vf+qm5xzt+bAm4G4iOhKeQORYS34kwE/JbdB rSg/pnYjdeGX/vczI3Au4GC/AISEAjmvpla+YBUSsn1+9ZZIThR1CZxpTTFl/pWKKE 2JYJbWOBPJPv1+9uzRxIQ/Bk/261ZOsS/Kx0dlF8= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.20.60] ([92.116.155.63]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MZTmY-1k7SOI0Ure-00WV2u; Wed, 02 Sep 2020 17:01:00 +0200 Subject: Re: [PATCH 07/28] 53c700: improve non-coherent DMA handling To: Matthew Wilcox References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-8-hch@lst.de> <1598971960.4238.5.camel@HansenPartnership.com> <20200901150554.GN14765@casper.infradead.org> <1598973776.4238.11.camel@HansenPartnership.com> <3369218e-eea4-14e9-15f1-870269e4649d@gmx.de> <77c9b2b6-bedc-d090-8b23-6ac664df1d1f@gmx.de> <20200901165311.GS14765@casper.infradead.org> From: Helge Deller Autocrypt: addr=deller@gmx.de; keydata= mQINBF3Ia3MBEAD3nmWzMgQByYAWnb9cNqspnkb2GLVKzhoH2QD4eRpyDLA/3smlClbeKkWT HLnjgkbPFDmcmCz5V0Wv1mKYRClAHPCIBIJgyICqqUZo2qGmKstUx3pFAiztlXBANpRECgwJ r+8w6mkccOM9GhoPU0vMaD/UVJcJQzvrxVHO8EHS36aUkjKd6cOpdVbCt3qx8cEhCmaFEO6u CL+k5AZQoABbFQEBocZE1/lSYzaHkcHrjn4cQjc3CffXnUVYwlo8EYOtAHgMDC39s9a7S90L 69l6G73lYBD/Br5lnDPlG6dKfGFZZpQ1h8/x+Qz366Ojfq9MuuRJg7ZQpe6foiOtqwKym/zV dVvSdOOc5sHSpfwu5+BVAAyBd6hw4NddlAQUjHSRs3zJ9OfrEx2d3mIfXZ7+pMhZ7qX0Axlq Lq+B5cfLpzkPAgKn11tfXFxP+hcPHIts0bnDz4EEp+HraW+oRCH2m57Y9zhcJTOJaLw4YpTY GRUlF076vZ2Hz/xMEvIJddRGId7UXZgH9a32NDf+BUjWEZvFt1wFSW1r7zb7oGCwZMy2LI/G aHQv/N0NeFMd28z+deyxd0k1CGefHJuJcOJDVtcE1rGQ43aDhWSpXvXKDj42vFD2We6uIo9D 1VNre2+uAxFzqqf026H6cH8hin9Vnx7p3uq3Dka/Y/qmRFnKVQARAQABtBxIZWxnZSBEZWxs ZXIgPGRlbGxlckBnbXguZGU+iQJRBBMBCAA7AhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheA FiEERUSCKCzZENvvPSX4Pl89BKeiRgMFAl3J1zsCGQEACgkQPl89BKeiRgNK7xAAg6kJTPje uBm9PJTUxXaoaLJFXbYdSPfXhqX/BI9Xi2VzhwC2nSmizdFbeobQBTtRIz5LPhjk95t11q0s uP5htzNISPpwxiYZGKrNnXfcPlziI2bUtlz4ke34cLK6MIl1kbS0/kJBxhiXyvyTWk2JmkMi REjR84lCMAoJd1OM9XGFOg94BT5aLlEKFcld9qj7B4UFpma8RbRUpUWdo0omAEgrnhaKJwV8 qt0ULaF/kyP5qbI8iA2PAvIjq73dA4LNKdMFPG7Rw8yITQ1Vi0DlDgDT2RLvKxEQC0o3C6O4 iQq7qamsThLK0JSDRdLDnq6Phv+Yahd7sDMYuk3gIdoyczRkXzncWAYq7XTWl7nZYBVXG1D8 gkdclsnHzEKpTQIzn/rGyZshsjL4pxVUIpw/vdfx8oNRLKj7iduf11g2kFP71e9v2PP94ik3 Xi9oszP+fP770J0B8QM8w745BrcQm41SsILjArK+5mMHrYhM4ZFN7aipK3UXDNs3vjN+t0zi qErzlrxXtsX4J6nqjs/mF9frVkpv7OTAzj7pjFHv0Bu8pRm4AyW6Y5/H6jOup6nkJdP/AFDu 5ImdlA0jhr3iLk9s9WnjBUHyMYu+HD7qR3yhX6uWxg2oB2FWVMRLXbPEt2hRGq09rVQS7DBy dbZgPwou7pD8MTfQhGmDJFKm2ju5Ag0EXchrcwEQAOsDQjdtPeaRt8EP2pc8tG+g9eiiX9Sh rX87SLSeKF6uHpEJ3VbhafIU6A7hy7RcIJnQz0hEUdXjH774B8YD3JKnAtfAyuIU2/rOGa/v UN4BY6U6TVIOv9piVQByBthGQh4YHhePSKtPzK9Pv/6rd8H3IWnJK/dXiUDQllkedrENXrZp eLUjhyp94ooo9XqRl44YqlsrSUh+BzW7wqwfmu26UjmAzIZYVCPCq5IjD96QrhLf6naY6En3 ++tqCAWPkqKvWfRdXPOz4GK08uhcBp3jZHTVkcbo5qahVpv8Y8mzOvSIAxnIjb+cklVxjyY9 dVlrhfKiK5L+zA2fWUreVBqLs1SjfHm5OGuQ2qqzVcMYJGH/uisJn22VXB1c48yYyGv2HUN5 lC1JHQUV9734I5cczA2Gfo27nTHy3zANj4hy+s/q1adzvn7hMokU7OehwKrNXafFfwWVK3OG 1dSjWtgIv5KJi1XZk5TV6JlPZSqj4D8pUwIx3KSp0cD7xTEZATRfc47Yc+cyKcXG034tNEAc xZNTR1kMi9njdxc1wzM9T6pspTtA0vuD3ee94Dg+nDrH1As24uwfFLguiILPzpl0kLaPYYgB wumlL2nGcB6RVRRFMiAS5uOTEk+sJ/tRiQwO3K8vmaECaNJRfJC7weH+jww1Dzo0f1TP6rUa fTBRABEBAAGJAjYEGAEIACAWIQRFRIIoLNkQ2+89Jfg+Xz0Ep6JGAwUCXchrcwIbDAAKCRA+ Xz0Ep6JGAxtdEAC54NQMBwjUNqBNCMsh6WrwQwbg9tkJw718QHPw43gKFSxFIYzdBzD/YMPH l+2fFiefvmI4uNDjlyCITGSM+T6b8cA7YAKvZhzJyJSS7pRzsIKGjhk7zADL1+PJei9p9idy RbmFKo0dAL+ac0t/EZULHGPuIiavWLgwYLVoUEBwz86ZtEtVmDmEsj8ryWw75ZIarNDhV74s BdM2ffUJk3+vWe25BPcJiaZkTuFt+xt2CdbvpZv3IPrEkp9GAKof2hHdFCRKMtgxBo8Kao6p Ws/Vv68FusAi94ySuZT3fp1xGWWf5+1jX4ylC//w0Rj85QihTpA2MylORUNFvH0MRJx4mlFk XN6G+5jIIJhG46LUucQ28+VyEDNcGL3tarnkw8ngEhAbnvMJ2RTx8vGh7PssKaGzAUmNNZiG MB4mPKqvDZ02j1wp7vthQcOEg08z1+XHXb8ZZKST7yTVa5P89JymGE8CBGdQaAXnqYK3/yWf FwRDcGV6nxanxZGKEkSHHOm8jHwvQWvPP73pvuPBEPtKGLzbgd7OOcGZWtq2hNC6cRtsRdDx 4TAGMCz4j238m+2mdbdhRh3iBnWT5yPFfnv/2IjFAk+sdix1Mrr+LIDF++kiekeq0yUpDdc4 ExBy2xf6dd+tuFFBp3/VDN4U0UfG4QJ2fg19zE5Z8dS4jGIbLrgzBF3IbakWCSsGAQQB2kcP AQEHQNdEF2C6q5MwiI+3akqcRJWo5mN24V3vb3guRJHo8xbFiQKtBBgBCAAgFiEERUSCKCzZ ENvvPSX4Pl89BKeiRgMFAl3IbakCGwIAgQkQPl89BKeiRgN2IAQZFggAHRYhBLzpEj4a0p8H wEm73vcStRCiOg9fBQJdyG2pAAoJEPcStRCiOg9fto8A/3cti96iIyCLswnSntdzdYl72SjJ HnsUYypLPeKEXwCqAQDB69QCjXHPmQ/340v6jONRMH6eLuGOdIBx8D+oBp8+BGLiD/9qu5H/ eGe0rrmE5lLFRlnm5QqKKi4gKt2WHMEdGi7fXggOTZbuKJA9+DzPxcf9ShuQMJRQDkgzv/VD V1fvOdaIMlM1EjMxIS2fyyI+9KZD7WwFYK3VIOsC7PtjOLYHSr7o7vDHNqTle7JYGEPlxuE6 hjMU7Ew2Ni4SBio8PILVXE+dL/BELp5JzOcMPnOnVsQtNbllIYvXRyX0qkTD6XM2Jbh+xI9P xajC+ojJ/cqPYBEALVfgdh6MbA8rx3EOCYj/n8cZ/xfo+wR/zSQ+m9wIhjxI4XfbNz8oGECm xeg1uqcyxfHx+N/pdg5Rvw9g+rtlfmTCj8JhNksNr0NcsNXTkaOy++4Wb9lKDAUcRma7TgMk Yq21O5RINec5Jo3xeEUfApVwbueBWCtq4bljeXG93iOWMk4cYqsRVsWsDxsplHQfh5xHk2Zf GAUYbm/rX36cdDBbaX2+rgvcHDTx9fOXozugEqFQv9oNg3UnXDWyEeiDLTC/0Gei/Jd/YL1p XzCscCr+pggvqX7kI33AQsxo1DT19sNYLU5dJ5Qxz1+zdNkB9kK9CcTVFXMYehKueBkk5MaU ou0ZH9LCDjtnOKxPuUWstxTXWzsinSpLDIpkP//4fN6asmPo2cSXMXE0iA5WsWAXcK8uZ4jD c2TFWAS8k6RLkk41ZUU8ENX8+qZx/Q== Message-ID: <30bfa844-00ea-1abe-9022-d73cf309e580@gmx.de> Date: Wed, 2 Sep 2020 17:00:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200901165311.GS14765@casper.infradead.org> Content-Language: en-US X-Provags-ID: V03:K1:ylKgDqFU+gFaPC2d+WzSCQXxiLQIXKySkLqivXa28qMeQ0h5Pxr tXM5x2Bo4S8TIKWGUWrbkkNuyKUME2NUvg3jtsmf8vkXFe4smPhe14q2DVLmoJE/VrrUvC8 63TbKzPDS66vjFhBhFr+EMjQN0laqJgo2Hk+foHitxLhjyTxAJGMdprDPYH1wX4OBUsoyKp QMsIM54OSGNwhG+Lr3XfQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:aS28Gzfeplo=:J9k98LfUdjGOuaDrD12GXy mzSgOO4XwP9o4WwUrfevHPZft60XRYzaydJg0seTLUP9PUMe4SCR8wnt+FqJb2KmNErTSF3Yz mlEuV2ypNQhyeT8Zb7TFH9gIDYr63Tn/49r4uWCsv7KGts2XskLUKRIcTRjTyZ3fFf2AfYibs BzDfzF9v3j4/idusDth0av+x88Bd3jXvRuZ7oJJF2HqnBG4SkKXa0NLw7UkTYhhf//eGiBY6L Tz4eqwGRg7UwwOHV8G+kLUYax69snHYMWRmONRp+4GHeEto3D1SVN2jF+XEdTo8EG6GK7mVkf REE4YOujtqDjHiR6Ot35dAEtJQsFsZG4uNaEY+BHAPdoB2Df8TOc3SqjwTa1Ieccn9gGFcI0v HHi8UTCZoevjnXCWVau4Y/zHGSN/AvvivjSjDJh7E2zIcG2RsvnL1QRgMV2O5i8o0o0mkywRA 7f7mDxGgqyo/OXeuv19tt2n2HqKCUEns1YJ87JOE/tZhZzKHulZvXXB66rnFRt+wNw/tRV1ft 9Hv0ciJkPH32Jjmj3fbLVbhytxvULtITMmRk6+0rf0MLbgyAu89Ax6nNGds65lCXxgsshpdaw 73NW8eCpFbuCSovlK4TWz1l58mYvKCfFcm7x2NeJ0dOieetl4mzs3HcI5qq6WHdSH4o4WvPww lGbsyrOodVY3EiL6Dvj0o+RCTbWMiZaG9cwrWeQzIsjYAFnZ0YNI7k5IOxf8FqZ3FZilscmm4 1aHFf1DqijKWy8YrPe5SLLGm7jipNlbM97JdT8Rky3LFIzh6n4cS92aBdLFDSMG5m8JFPzZyV nSDYrKeU19FFhsekzwqljpEW2mIFGl9Wl07u9Sip7k6aoMhwb74pJUjrtd4RazX00tgfI3Jv5 cbyBhn+XCUXDCMbBCHZGsG23/3V32rVakAqts6bEfUkqclD0zAytopG2cvnwsLqpYdubwTIN3 kUmpUTgLkIzzdNSz9uF58RQPOyRSV2yH/L/klzgKzaIZC8LHyq6i1S7e2N4ZD+jcidq45xXM7 dxde84/84J6CvL4H+9k93kdrMM+as6D+M+klxCE/E51ydob240bTvF6xRBq0aTd9xSQcRJTBm Kb4lpYVFKQfTy9KqWPa1ZEWaqLY8gC2E/gIYnnMq+m49vVWvY/xMJdiGLExTZ7lfIdx9XsKQZ bj3+thm3qGCfuP6o6d33ewaGx84nW8EaWKaRAZZqHK0i4qKqTW7aR2AL4dtU4tMIrbzNV/2DK 7fOan6bBrutQ8vuLD Cc: alsa-devel@alsa-project.org, linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, James Bottomley , linux-mm@kvack.org, Christoph Hellwig , linux-samsung-soc@vger.kernel.org, Joonyoung Shim , linux-scsi@vger.kernel.org, Kyungmin Park , Ben Skeggs , Matt Porter , linux-media@vger.kernel.org, Tom Lendacky , Pawel Osciak , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, Thomas Bogendoerfer , linux-parisc@vger.kernel.org, netdev@vger.kernel.org, Seung-Woo Kim , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Hi Willy, On 01.09.20 18:53, Matthew Wilcox wrote: > On Tue, Sep 01, 2020 at 06:41:12PM +0200, Helge Deller wrote: >>> I still have a zoo of machines running for such testing, including a >>> 715/64 and two 730. >>> I'm going to test this git tree on the 715/64: > > The 715/64 is a 7100LC machine though. I think you need to boot on > the 730 to test the non-coherent path. Just tested the 730, and it works as well. Helge _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu