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=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 4B8B3C5DF60 for ; Fri, 8 Nov 2019 13:43:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CA1721848 for ; Fri, 8 Nov 2019 13:43:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="X5L1L1Dv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726101AbfKHNnl (ORCPT ); Fri, 8 Nov 2019 08:43:41 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:36773 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726005AbfKHNnl (ORCPT ); Fri, 8 Nov 2019 08:43:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573220620; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=p2GiDgurLDTLnKDD84ZeRHZfEMXgwhDnYu1U65URo2k=; b=X5L1L1Dvt2VD4wgLd2ThvFRorrC8z5//fvXQ9/D1v1E/2zDmfPkj32me7SDxMbtG0L4sQn CWXx1Nib6/EE+M5vWD+6/6K4N0sYzAxoqKyEz2zyI467tQ0pjwgXzk4nv99/lpjOMppzID zGpLW6xlhs2eIVVkQm7VD/4jFld+RT8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-337-Rd7IsiSjOY2MUWNuakLiow-1; Fri, 08 Nov 2019 08:43:36 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 69BA41800D7B; Fri, 8 Nov 2019 13:43:33 +0000 (UTC) Received: from redhat.com (ovpn-123-175.rdu2.redhat.com [10.10.123.175]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 57C09196AE; Fri, 8 Nov 2019 13:43:30 +0000 (UTC) Date: Fri, 8 Nov 2019 08:43:28 -0500 From: Jerome Glisse To: Christoph Hellwig Cc: Jason Gunthorpe , John Hubbard , "linux-mm@kvack.org" , Ralph Campbell , "Felix.Kuehling@amd.com" , "linux-rdma@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "amd-gfx@lists.freedesktop.org" , Alex Deucher , Ben Skeggs , Boris Ostrovsky , Christian =?iso-8859-1?Q?K=F6nig?= , David Zhou , Dennis Dalessandro , Juergen Gross , Mike Marciniszyn , Oleksandr Andrushchenko , Petr Cvek , Stefano Stabellini , "nouveau@lists.freedesktop.org" , "xen-devel@lists.xenproject.org" , Andrea Arcangeli , Michal Hocko Subject: Re: [PATCH v2 02/15] mm/mmu_notifier: add an interval tree notifier Message-ID: <20191108134328.GA4456@redhat.com> References: <20191028201032.6352-1-jgg@ziepe.ca> <20191028201032.6352-3-jgg@ziepe.ca> <35c2b322-004e-0e18-87e4-1920dc71bfd5@nvidia.com> <20191107200604.GB21728@mellanox.com> <20191108063302.GA18778@infradead.org> MIME-Version: 1.0 In-Reply-To: <20191108063302.GA18778@infradead.org> User-Agent: Mutt/1.12.1 (2019-06-15) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: Rd7IsiSjOY2MUWNuakLiow-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Thu, Nov 07, 2019 at 10:33:02PM -0800, Christoph Hellwig wrote: > On Thu, Nov 07, 2019 at 08:06:08PM +0000, Jason Gunthorpe wrote: > > >=20 > > > enum mmu_range_notifier_event { > > > =09MMU_NOTIFY_RELEASE, > > > }; > > >=20 > > > ...assuming that we stay with "mmu_range_notifier" as a core name for= this=20 > > > whole thing. > > >=20 > > > Also, it is best moved down to be next to the new MNR structs, so tha= t all the > > > MNR stuff is in one group. > >=20 > > I agree with Jerome, this enum is part of the 'struct > > mmu_notifier_range' (ie the description of the invalidation) and it > > doesn't really matter that only these new notifiers can be called with > > this type, it is still part of the mmu_notifier_range. > >=20 > > The comment already says it only applies to the mmu_range_notifier > > scheme.. >=20 > In fact the enum is entirely unused. We might as well just kill it off > entirely. I had patches to use it, i need to re-post them. I posted them long ago and i droped the ball. I will re-spin after this. Cheers, J=E9r=F4me From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerome Glisse Subject: Re: [PATCH v2 02/15] mm/mmu_notifier: add an interval tree notifier Date: Fri, 8 Nov 2019 08:43:28 -0500 Message-ID: <20191108134328.GA4456@redhat.com> References: <20191028201032.6352-1-jgg@ziepe.ca> <20191028201032.6352-3-jgg@ziepe.ca> <35c2b322-004e-0e18-87e4-1920dc71bfd5@nvidia.com> <20191107200604.GB21728@mellanox.com> <20191108063302.GA18778@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191108063302.GA18778@infradead.org> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Christoph Hellwig Cc: "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , Michal Hocko , "linux-mm@kvack.org" , Andrea Arcangeli , Stefano Stabellini , Oleksandr Andrushchenko , "linux-rdma@vger.kernel.org" , "amd-gfx@lists.freedesktop.org" , Jason Gunthorpe , Ben Skeggs , "xen-devel@lists.xenproject.org" , Ralph Campbell , John Hubbard , Boris Ostrovsky , Petr Cvek , Juergen Gross , Mike Marciniszyn , "Felix.Kuehling@amd.com" List-Id: nouveau.vger.kernel.org T24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMTA6MzM6MDJQTSAtMDgwMCwgQ2hyaXN0b3BoIEhlbGx3 aWcgd3JvdGU6Cj4gT24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDg6MDY6MDhQTSArMDAwMCwgSmFz b24gR3VudGhvcnBlIHdyb3RlOgo+ID4gPiAKPiA+ID4gZW51bSBtbXVfcmFuZ2Vfbm90aWZpZXJf ZXZlbnQgewo+ID4gPiAJTU1VX05PVElGWV9SRUxFQVNFLAo+ID4gPiB9Owo+ID4gPiAKPiA+ID4g Li4uYXNzdW1pbmcgdGhhdCB3ZSBzdGF5IHdpdGggIm1tdV9yYW5nZV9ub3RpZmllciIgYXMgYSBj b3JlIG5hbWUgZm9yIHRoaXMgCj4gPiA+IHdob2xlIHRoaW5nLgo+ID4gPiAKPiA+ID4gQWxzbywg aXQgaXMgYmVzdCBtb3ZlZCBkb3duIHRvIGJlIG5leHQgdG8gdGhlIG5ldyBNTlIgc3RydWN0cywg c28gdGhhdCBhbGwgdGhlCj4gPiA+IE1OUiBzdHVmZiBpcyBpbiBvbmUgZ3JvdXAuCj4gPiAKPiA+ IEkgYWdyZWUgd2l0aCBKZXJvbWUsIHRoaXMgZW51bSBpcyBwYXJ0IG9mIHRoZSAnc3RydWN0Cj4g PiBtbXVfbm90aWZpZXJfcmFuZ2UnIChpZSB0aGUgZGVzY3JpcHRpb24gb2YgdGhlIGludmFsaWRh dGlvbikgYW5kIGl0Cj4gPiBkb2Vzbid0IHJlYWxseSBtYXR0ZXIgdGhhdCBvbmx5IHRoZXNlIG5l dyBub3RpZmllcnMgY2FuIGJlIGNhbGxlZCB3aXRoCj4gPiB0aGlzIHR5cGUsIGl0IGlzIHN0aWxs IHBhcnQgb2YgdGhlIG1tdV9ub3RpZmllcl9yYW5nZS4KPiA+IAo+ID4gVGhlIGNvbW1lbnQgYWxy ZWFkeSBzYXlzIGl0IG9ubHkgYXBwbGllcyB0byB0aGUgbW11X3JhbmdlX25vdGlmaWVyCj4gPiBz Y2hlbWUuLgo+IAo+IEluIGZhY3QgdGhlIGVudW0gaXMgZW50aXJlbHkgdW51c2VkLiAgV2UgbWln aHQgYXMgd2VsbCBqdXN0IGtpbGwgaXQgb2ZmCj4gZW50aXJlbHkuCgpJIGhhZCBwYXRjaGVzIHRv IHVzZSBpdCwgaSBuZWVkIHRvIHJlLXBvc3QgdGhlbS4gSSBwb3N0ZWQgdGhlbSBsb25nIGFnbwph bmQgaSBkcm9wZWQgdGhlIGJhbGwuIEkgd2lsbCByZS1zcGluIGFmdGVyIHRoaXMuCgpDaGVlcnMs CkrDqXLDtG1lCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw= 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=-2.2 required=3.0 tests=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 7AF04FC6195 for ; 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Fri, 08 Nov 2019 08:43:36 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 69BA41800D7B; Fri, 8 Nov 2019 13:43:33 +0000 (UTC) Received: from redhat.com (ovpn-123-175.rdu2.redhat.com [10.10.123.175]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 57C09196AE; Fri, 8 Nov 2019 13:43:30 +0000 (UTC) Date: Fri, 8 Nov 2019 08:43:28 -0500 From: Jerome Glisse To: Christoph Hellwig Subject: Re: [PATCH v2 02/15] mm/mmu_notifier: add an interval tree notifier Message-ID: <20191108134328.GA4456@redhat.com> References: <20191028201032.6352-1-jgg@ziepe.ca> <20191028201032.6352-3-jgg@ziepe.ca> <35c2b322-004e-0e18-87e4-1920dc71bfd5@nvidia.com> <20191107200604.GB21728@mellanox.com> <20191108063302.GA18778@infradead.org> MIME-Version: 1.0 In-Reply-To: <20191108063302.GA18778@infradead.org> User-Agent: Mutt/1.12.1 (2019-06-15) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: Rd7IsiSjOY2MUWNuakLiow-1 X-Mimecast-Spam-Score: 0 Content-Disposition: inline X-Mailman-Original-DKIM-Signature: v=1; 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