From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror Date: Fri, 1 Nov 2019 19:51:28 +0000 Message-ID: <20191101195124.GU22766@mellanox.com> References: <20191028201032.6352-1-jgg@ziepe.ca> <20191028201032.6352-15-jgg@ziepe.ca> <20191029192544.GU22766@mellanox.com> <30b2f569-bf7a-5166-c98d-4a4a13d1351f@amd.com> <20191101151222.GN22766@mellanox.com> <8280fb65-a897-3d71-79f9-9f80d9e474e9@amd.com> <20191101174221.GO22766@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: "Yang, Philip" Cc: "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-mm@kvack.org" , "Zhou, David(ChunMing)" , Stefano Stabellini , Oleksandr Andrushchenko , "linux-rdma@vger.kernel.org" , "amd-gfx@lists.freedesktop.org" , Christoph Hellwig , Ben Skeggs , "xen-devel@lists.xenproject.org" , Ralph Campbell , John Hubbard , Jerome Glisse , Dennis Dalessandro , Boris Ostrovsky , Petr Cvek , Juergen Gross , Mike List-Id: amd-gfx.lists.freedesktop.org T24gRnJpLCBOb3YgMDEsIDIwMTkgYXQgMDc6NDU6MjJQTSArMDAwMCwgWWFuZywgUGhpbGlwIHdy b3RlOgoKPiA+IFRoaXMgbXVzdCBiZSBkb25lIGluc2lkZSB0aGUgbm90aWZpZXJfbG9jaywgYWZ0 ZXIgY2hlY2tpbmcKPiA+IG1tdV9yYW5nZV9yZWFkX3JldHJ5KCksIGFsbCBoYW5kbGluZyBvZiB0 aGUgc3RydWN0IHBhZ2UgbXVzdCBiZQo+ID4gc3RydWN0dXJlZCBsaWtlIHRoYXQuCj4gPiAKPiBC ZWxvdyBjaGFuZ2Ugd2lsbCBmaXggdGhpcywgdGhlbiBkcml2ZXIgd2lsbCBjYWxsIG1tdV9yYW5n ZV9yZWFkX3JldHJ5IAo+IHNlY29uZCB0aW1lIHVzaW5nIHNhbWUgcmFuZ2UtPm5vdGlmaWVyX3Nl cSB0byBjaGVjayBpZiByYW5nZSBpcyAKPiBpbnZhbGlkYXRlZCBpbnNpZGUgYW1kZ3B1X2NzX3N1 Ym1pdCwgdGhpcyBsb29rcyBvayBmb3IgbWUuCgpMZXRzIGRlZmVyIHRoaXMgdG8gc29tZSBwYXRj aCB0cnlpbmcgdG8gZml4IGl0LCBJIGZpbmQgaXQgaGFyZCB0bwpmb2xsb3cuLgoKPiBAQCAtODY4 LDYgKzg2OSwxMyBAQCBpbnQgYW1kZ3B1X3R0bV90dF9nZXRfdXNlcl9wYWdlcyhzdHJ1Y3QgYW1k Z3B1X2JvIAo+ICpibywgc3RydWN0IHBhZ2UgKipwYWdlcykKPiAgICAgICAgICAgICAgICAgIGdv dG8gb3V0X2ZyZWVfcGZuczsKPiAgICAgICAgICB9Cj4gCj4gKyAgICAgICBtdXRleF9sb2NrKCZh ZGV2LT5ub3RpZmllcl9sb2NrKTsKPiArCj4gKyAgICAgICBpZiAobW11X3JhbmdlX3JlYWRfcmV0 cnkoJmJvLT5ub3RpZmllciwgcmFuZ2UtPm5vdGlmaWVyX3NlcSkpIHsKPiArICAgICAgICAgICAg ICAgbXV0ZXhfdW5sb2NrKCZhZGV2LT5ub3RpZmllcl9sb2NrKTsKPiArICAgICAgICAgICAgICAg Z290byByZXRyeTsKPiArICAgICAgIH0KPiArCj4gICAgICAgICAgZm9yIChpID0gMDsgaSA8IHR0 bS0+bnVtX3BhZ2VzOyBpKyspIHsKPiAgICAgICAgICAgICAgICAgIHBhZ2VzW2ldID0gaG1tX2Rl dmljZV9lbnRyeV90b19wYWdlKHJhbmdlLCByYW5nZS0+cGZuc1tpXSk7Cj4gICAgICAgICAgICAg ICAgICBpZiAodW5saWtlbHkoIXBhZ2VzW2ldKSkgewo+IEBAIC04NzUsMTAgKzg4MywxMiBAQCBp bnQgYW1kZ3B1X3R0bV90dF9nZXRfdXNlcl9wYWdlcyhzdHJ1Y3QgYW1kZ3B1X2JvIAo+ICpibywg c3RydWN0IHBhZ2UgKipwYWdlcykKPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGks IHJhbmdlLT5wZm5zW2ldKTsKPiAgICAgICAgICAgICAgICAgICAgICAgICAgciA9IC1FTk9NRU07 Cj4gCj4gKyAgICAgICAgICAgICAgICAgICAgICAgbXV0ZXhfdW5sb2NrKCZhZGV2LT5ub3RpZmll cl9sb2NrKTsKPiAgICAgICAgICAgICAgICAgICAgICAgICAgZ290byBvdXRfZnJlZV9wZm5zOwo+ ICAgICAgICAgICAgICAgICAgfQo+ICAgICAgICAgIH0KCldlbGwsIG1heWJlPyAKClRoZSBxdWVz dGlvbiBub3cgaXMgd2hhdCBoYXBwZW5zIHRvICdwYWdlcycgPyBXaXRoIHRoaXMgYXJyYW5nbWVu dCB0aGUKZHJpdmVyIGNhbm5vdCB0b3VjaCAncGFnZXMnIHdpdGhvdXQgYWxzbyBhZ2FpbiBnb2lu ZyB1bmRlciB0aGUgbG9jawphbmQgY2hlY2tpbmcgcmV0cnkuIAoKSWYgaXQgZG9lc24ndCB0b3Vj aCBpdCwgdGhlbiBsZXRzIGp1c3QgbW92ZSB0aGlzIGRldmljZV9lbnRyeV90b19wYWdlCnRvIGEg bW9yZSBhcHByb3ByaWF0ZSBwbGFjZT8KCkknZCBwcmVmZXIgaXQgaWYgdGhlIGRyaXZlciBjb3Vs ZCBiZSBzdHJ1Y3R1cmVkIGluIHRoZSBub3JtYWwgd2F5LAp3aXRoIGEgY2xlYXIgbG9ja2VkIHJl Z2lvbiB3aGVyZSB0aGUgcGFnZSBsaXN0IGlzIGhhbmRsZWQuLgoKSmFzb24KCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxp c3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVj dC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw= 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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 A8CE7CA9EC7 for ; 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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Message-ID: <20191101195128.D3cF586PbuvDB-LsmvSqmNxELhqe-s0oBCdTmpsXX-Y@z> T24gRnJpLCBOb3YgMDEsIDIwMTkgYXQgMDc6NDU6MjJQTSArMDAwMCwgWWFuZywgUGhpbGlwIHdy b3RlOgoKPiA+IFRoaXMgbXVzdCBiZSBkb25lIGluc2lkZSB0aGUgbm90aWZpZXJfbG9jaywgYWZ0 ZXIgY2hlY2tpbmcKPiA+IG1tdV9yYW5nZV9yZWFkX3JldHJ5KCksIGFsbCBoYW5kbGluZyBvZiB0 aGUgc3RydWN0IHBhZ2UgbXVzdCBiZQo+ID4gc3RydWN0dXJlZCBsaWtlIHRoYXQuCj4gPiAKPiBC ZWxvdyBjaGFuZ2Ugd2lsbCBmaXggdGhpcywgdGhlbiBkcml2ZXIgd2lsbCBjYWxsIG1tdV9yYW5n ZV9yZWFkX3JldHJ5IAo+IHNlY29uZCB0aW1lIHVzaW5nIHNhbWUgcmFuZ2UtPm5vdGlmaWVyX3Nl cSB0byBjaGVjayBpZiByYW5nZSBpcyAKPiBpbnZhbGlkYXRlZCBpbnNpZGUgYW1kZ3B1X2NzX3N1 Ym1pdCwgdGhpcyBsb29rcyBvayBmb3IgbWUuCgpMZXRzIGRlZmVyIHRoaXMgdG8gc29tZSBwYXRj aCB0cnlpbmcgdG8gZml4IGl0LCBJIGZpbmQgaXQgaGFyZCB0bwpmb2xsb3cuLgoKPiBAQCAtODY4 LDYgKzg2OSwxMyBAQCBpbnQgYW1kZ3B1X3R0bV90dF9nZXRfdXNlcl9wYWdlcyhzdHJ1Y3QgYW1k Z3B1X2JvIAo+ICpibywgc3RydWN0IHBhZ2UgKipwYWdlcykKPiAgICAgICAgICAgICAgICAgIGdv dG8gb3V0X2ZyZWVfcGZuczsKPiAgICAgICAgICB9Cj4gCj4gKyAgICAgICBtdXRleF9sb2NrKCZh ZGV2LT5ub3RpZmllcl9sb2NrKTsKPiArCj4gKyAgICAgICBpZiAobW11X3JhbmdlX3JlYWRfcmV0 cnkoJmJvLT5ub3RpZmllciwgcmFuZ2UtPm5vdGlmaWVyX3NlcSkpIHsKPiArICAgICAgICAgICAg ICAgbXV0ZXhfdW5sb2NrKCZhZGV2LT5ub3RpZmllcl9sb2NrKTsKPiArICAgICAgICAgICAgICAg Z290byByZXRyeTsKPiArICAgICAgIH0KPiArCj4gICAgICAgICAgZm9yIChpID0gMDsgaSA8IHR0 bS0+bnVtX3BhZ2VzOyBpKyspIHsKPiAgICAgICAgICAgICAgICAgIHBhZ2VzW2ldID0gaG1tX2Rl dmljZV9lbnRyeV90b19wYWdlKHJhbmdlLCByYW5nZS0+cGZuc1tpXSk7Cj4gICAgICAgICAgICAg ICAgICBpZiAodW5saWtlbHkoIXBhZ2VzW2ldKSkgewo+IEBAIC04NzUsMTAgKzg4MywxMiBAQCBp bnQgYW1kZ3B1X3R0bV90dF9nZXRfdXNlcl9wYWdlcyhzdHJ1Y3QgYW1kZ3B1X2JvIAo+ICpibywg c3RydWN0IHBhZ2UgKipwYWdlcykKPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGks IHJhbmdlLT5wZm5zW2ldKTsKPiAgICAgICAgICAgICAgICAgICAgICAgICAgciA9IC1FTk9NRU07 Cj4gCj4gKyAgICAgICAgICAgICAgICAgICAgICAgbXV0ZXhfdW5sb2NrKCZhZGV2LT5ub3RpZmll cl9sb2NrKTsKPiAgICAgICAgICAgICAgICAgICAgICAgICAgZ290byBvdXRfZnJlZV9wZm5zOwo+ ICAgICAgICAgICAgICAgICAgfQo+ICAgICAgICAgIH0KCldlbGwsIG1heWJlPyAKClRoZSBxdWVz dGlvbiBub3cgaXMgd2hhdCBoYXBwZW5zIHRvICdwYWdlcycgPyBXaXRoIHRoaXMgYXJyYW5nbWVu dCB0aGUKZHJpdmVyIGNhbm5vdCB0b3VjaCAncGFnZXMnIHdpdGhvdXQgYWxzbyBhZ2FpbiBnb2lu ZyB1bmRlciB0aGUgbG9jawphbmQgY2hlY2tpbmcgcmV0cnkuIAoKSWYgaXQgZG9lc24ndCB0b3Vj aCBpdCwgdGhlbiBsZXRzIGp1c3QgbW92ZSB0aGlzIGRldmljZV9lbnRyeV90b19wYWdlCnRvIGEg bW9yZSBhcHByb3ByaWF0ZSBwbGFjZT8KCkknZCBwcmVmZXIgaXQgaWYgdGhlIGRyaXZlciBjb3Vs ZCBiZSBzdHJ1Y3R1cmVkIGluIHRoZSBub3JtYWwgd2F5LAp3aXRoIGEgY2xlYXIgbG9ja2VkIHJl Z2lvbiB3aGVyZSB0aGUgcGFnZSBsaXN0IGlzIGhhbmRsZWQuLgoKSmFzb24KX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QK YW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4