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[216.228.121.64]) by mx.google.com with ESMTPS id k64si17702739ywb.16.2019.07.25.17.55.06 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 25 Jul 2019 17:55:06 -0700 (PDT) Received-SPF: pass (google.com: domain of rcampbell@nvidia.com designates 216.228.121.64 as permitted sender) client-ip=216.228.121.64; Authentication-Results: mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b="rSA4j7D/"; spf=pass (google.com: domain of rcampbell@nvidia.com designates 216.228.121.64 as permitted sender) smtp.mailfrom=rcampbell@nvidia.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Thu, 25 Jul 2019 17:55:13 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Thu, 25 Jul 2019 17:55:05 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Thu, 25 Jul 2019 17:55:05 -0700 Received: from rcampbell-dev.nvidia.com (172.20.13.39) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 26 Jul 2019 00:55:01 +0000 Subject: Re: hmm_range_fault related fixes and legacy API removal v3 To: Jason Gunthorpe , Christoph Hellwig CC: =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Ben Skeggs , "linux-mm@kvack.org" , "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" References: <20190724065258.16603-1-hch@lst.de> <20190726001622.GL7450@mellanox.com> X-Nvconfidentiality: public From: Ralph Campbell Message-ID: Date: Thu, 25 Jul 2019 17:55:01 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190726001622.GL7450@mellanox.com> X-Originating-IP: [172.20.13.39] X-ClientProxiedBy: HQMAIL107.nvidia.com (172.20.187.13) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1564102513; bh=ZQ1jv0UqwPmyi2RPWuaB3X1EU0IchBq6t+yb1fsAdJ4=; h=X-PGP-Universal:Subject:To:CC:References:X-Nvconfidentiality:From: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=rSA4j7D/xNb2bkL0Vko/F5CDOw23LnvAQ9X4DTiY7zQS3PiAsqw2fzljmrhRjSyBN 4X3+94583ksRVxxOzb4rj3LQNLiQxzqNjNyzesErehEFqBsooYKLAg/6fe8WILNsKM Xr0M1AvN11D0pFDeVa9NIi04J+6Xn9RViB3w/Xj05ZxX6hpsr0f8ZB6QJs2eJXsNN6 ttQj2VXTgfGFRU0syqQpO7ddPAhhik56aRFDYDMQRLAVAQ2EnplEBlWLmgGBf7zqPq oMGDywdYOAXCAq0xaRkg8JQMI/T5f0db79g5qEltRtKCCl+kLC+9f5Lq1eyKng0xeq T07CsoiXv06rQ== 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 7/25/19 5:16 PM, Jason Gunthorpe wrote: > On Wed, Jul 24, 2019 at 08:52:51AM +0200, Christoph Hellwig wrote: >> Hi J=C3=A9r=C3=B4me, Ben and Jason, >> >> below is a series against the hmm tree which fixes up the mmap_sem >> locking in nouveau and while at it also removes leftover legacy HMM APIs >> only used by nouveau. >> >> The first 4 patches are a bug fix for nouveau, which I suspect should >> go into this merge window even if the code is marked as staging, just >> to avoid people copying the breakage. >> >> Changes since v2: >> - new patch from Jason to document FAULT_FLAG_ALLOW_RETRY semantics >> better >> - remove -EAGAIN handling in nouveau earlier >=20 > I don't see Ralph's tested by, do you think it changed enough to > require testing again? If so, Ralph would you be so kind? >=20 > In any event, I'm sending this into linux-next and intend to forward > the first four next week. >=20 > Thanks, > Jason >=20 I have been testing Christoph's v3 with my set of v2 changes so feel free to add my tested-by.