From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH v3 hmm 02/12] mm/hmm: Use hmm_mirror not mm as an argument for hmm_range_register Date: Wed, 19 Jun 2019 01:14:16 -0700 Message-ID: <20190619081416.GA24900@infradead.org> References: <20190614004450.20252-1-jgg@ziepe.ca> <20190614004450.20252-3-jgg@ziepe.ca> <20190615135906.GB17724@infradead.org> <20190618130544.GC6961@ziepe.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20190618130544.GC6961-uk2M96/98Pc@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: Jason Gunthorpe Cc: Andrea Arcangeli , Philip Yang , Ralph Campbell , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, John Hubbard , Felix.Kuehling-5C7GfCeVMHo@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Christoph Hellwig , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Jerome Glisse , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Ira Weiny , Ben Skeggs T24gVHVlLCBKdW4gMTgsIDIwMTkgYXQgMTA6MDU6NDRBTSAtMDMwMCwgSmFzb24gR3VudGhvcnBl IHdyb3RlOgo+IEknbSB0aGlua2luZyB0byB0YWNrbGUgdGhhdCBhcyBwYXJ0IG9mIHRoZSBtbXUg bm90aWZpZmVyIGludmxvY2sKPiBpZGVhLi4gT25jZSB0aGUgcmFuZ2UgbG9vc2VzIHRoZSBsb2Nr IHRoZW4gd2UgZG9uJ3QgcmVhbGx5IG5lZWQgdG8KPiByZWdpc3RlciBpdCBhdCBhbGwuCgpPay4K X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBt YWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4 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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 09A47C31E49 for ; 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[2607:7c80:54:e::133]) by mx.google.com with ESMTPS id i14si2514973pgh.437.2019.06.19.01.14.21 for (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 19 Jun 2019 01:14:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of batv+77cd4ac56e5e79ab4dbe+5778+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20170209 header.b="VTq/5def"; spf=pass (google.com: best guess record for domain of batv+77cd4ac56e5e79ab4dbe+5778+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) smtp.mailfrom=BATV+77cd4ac56e5e79ab4dbe+5778+infradead.org+hch@bombadil.srs.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=0ZL0Rt+On3+fcA7ZOTp27GEbaFXAtfEHfk/A4omOFs8=; b=VTq/5defW3rvl0qSVOJTGq4WO PXQkheSR6n7cepjJuJbIsuVqXJAeoO6w1Usz/0OOo4rXXtGYEvT83GQ+qAKZ8bmqtqvMjBo88SJmL IIWd00nGQ1ntnsuA6llhTgwbAcNH+LoQHYo8RR3DLgE3rFAmRgqjhTiFPPyQfPWNhfGwJr+UsyQJa gMhBPjfITvI13/SnXh1sjD0CDMc7PiYSMIBJUj4LSHubqiu5ZQC8eq0kA/vGy9kJi/xCtwqSUmiY3 BM7plvYLHHJiXz7AgxGshkFNjukTfR/NZqKEqUb7nNjEyBrB+qHiXhOT0y+6rLL8sO6KZljTddayk Pd1lyxT4g==; Received: from hch by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1hdVjU-0006aZ-Cc; Wed, 19 Jun 2019 08:14:16 +0000 Date: Wed, 19 Jun 2019 01:14:16 -0700 From: Christoph Hellwig To: Jason Gunthorpe Cc: Christoph Hellwig , Jerome Glisse , Ralph Campbell , John Hubbard , Felix.Kuehling@amd.com, linux-rdma@vger.kernel.org, linux-mm@kvack.org, Andrea Arcangeli , dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Ben Skeggs , Ira Weiny , Philip Yang Subject: Re: [PATCH v3 hmm 02/12] mm/hmm: Use hmm_mirror not mm as an argument for hmm_range_register Message-ID: <20190619081416.GA24900@infradead.org> References: <20190614004450.20252-1-jgg@ziepe.ca> <20190614004450.20252-3-jgg@ziepe.ca> <20190615135906.GB17724@infradead.org> <20190618130544.GC6961@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190618130544.GC6961@ziepe.ca> User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html 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 Tue, Jun 18, 2019 at 10:05:44AM -0300, Jason Gunthorpe wrote: > I'm thinking to tackle that as part of the mmu notififer invlock > idea.. Once the range looses the lock then we don't really need to > register it at all. Ok.