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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, 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 7DD10C76190 for ; Fri, 26 Jul 2019 00:55:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4217C218DA for ; Fri, 26 Jul 2019 00:55:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="rSA4j7D/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727061AbfGZAzH (ORCPT ); Thu, 25 Jul 2019 20:55:07 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:17949 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725819AbfGZAzG (ORCPT ); Thu, 25 Jul 2019 20:55:06 -0400 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== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralph Campbell Subject: Re: hmm_range_fault related fixes and legacy API removal v3 Date: Thu, 25 Jul 2019 17:55:01 -0700 Message-ID: References: <20190724065258.16603-1-hch@lst.de> <20190726001622.GL7450@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190726001622.GL7450@mellanox.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jason Gunthorpe , Christoph Hellwig Cc: "nouveau@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "linux-mm@kvack.org" , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Ben Skeggs List-Id: nouveau.vger.kernel.org Ck9uIDcvMjUvMTkgNToxNiBQTSwgSmFzb24gR3VudGhvcnBlIHdyb3RlOgo+IE9uIFdlZCwgSnVs IDI0LCAyMDE5IGF0IDA4OjUyOjUxQU0gKzAyMDAsIENocmlzdG9waCBIZWxsd2lnIHdyb3RlOgo+ PiBIaSBKw6lyw7RtZSwgQmVuIGFuZCBKYXNvbiwKPj4KPj4gYmVsb3cgaXMgYSBzZXJpZXMgYWdh aW5zdCB0aGUgaG1tIHRyZWUgd2hpY2ggZml4ZXMgdXAgdGhlIG1tYXBfc2VtCj4+IGxvY2tpbmcg aW4gbm91dmVhdSBhbmQgd2hpbGUgYXQgaXQgYWxzbyByZW1vdmVzIGxlZnRvdmVyIGxlZ2FjeSBI TU0gQVBJcwo+PiBvbmx5IHVzZWQgYnkgbm91dmVhdS4KPj4KPj4gVGhlIGZpcnN0IDQgcGF0Y2hl cyBhcmUgYSBidWcgZml4IGZvciBub3V2ZWF1LCB3aGljaCBJIHN1c3BlY3Qgc2hvdWxkCj4+IGdv IGludG8gdGhpcyBtZXJnZSB3aW5kb3cgZXZlbiBpZiB0aGUgY29kZSBpcyBtYXJrZWQgYXMgc3Rh Z2luZywganVzdAo+PiB0byBhdm9pZCBwZW9wbGUgY29weWluZyB0aGUgYnJlYWthZ2UuCj4+Cj4+ IENoYW5nZXMgc2luY2UgdjI6Cj4+ICAgLSBuZXcgcGF0Y2ggZnJvbSBKYXNvbiB0byBkb2N1bWVu dCBGQVVMVF9GTEFHX0FMTE9XX1JFVFJZIHNlbWFudGljcwo+PiAgICAgYmV0dGVyCj4+ICAgLSBy ZW1vdmUgLUVBR0FJTiBoYW5kbGluZyBpbiBub3V2ZWF1IGVhcmxpZXIKPiAKPiBJIGRvbid0IHNl ZSBSYWxwaCdzIHRlc3RlZCBieSwgZG8geW91IHRoaW5rIGl0IGNoYW5nZWQgZW5vdWdoIHRvCj4g cmVxdWlyZSB0ZXN0aW5nIGFnYWluPyBJZiBzbywgUmFscGggd291bGQgeW91IGJlIHNvIGtpbmQ/ Cj4gCj4gSW4gYW55IGV2ZW50LCBJJ20gc2VuZGluZyB0aGlzIGludG8gbGludXgtbmV4dCBhbmQg aW50ZW5kIHRvIGZvcndhcmQKPiB0aGUgZmlyc3QgZm91ciBuZXh0IHdlZWsuCj4gCj4gVGhhbmtz LAo+IEphc29uCj4gCgpJIGhhdmUgYmVlbiB0ZXN0aW5nIENocmlzdG9waCdzIHYzIHdpdGggbXkg c2V0IG9mIHYyIGNoYW5nZXMgc28KZmVlbCBmcmVlIHRvIGFkZCBteSB0ZXN0ZWQtYnkuCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWls aW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==