From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH v2 09/15] xen/gntdev: use mmu_range_notifier_insert Date: Tue, 5 Nov 2019 10:16:46 -0500 Message-ID: References: <20191028201032.6352-1-jgg@ziepe.ca> <20191028201032.6352-10-jgg@ziepe.ca> <3938b588-c6c5-3bd1-8ea9-47e4d5b2045c@oracle.com> <20191105023108.GN22766@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191105023108.GN22766@mellanox.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jason Gunthorpe Cc: Juergen Gross , David Zhou , Ralph Campbell , Stefano Stabellini , Oleksandr Andrushchenko , "linux-rdma@vger.kernel.org" , John Hubbard , "Felix.Kuehling@amd.com" , Mike Marciniszyn , "dri-devel@lists.freedesktop.org" , Christoph Hellwig , "linux-mm@kvack.org" , Jerome Glisse , "amd-gfx@lists.freedesktop.org" , "nouveau@lists.freedesktop.org" , Alex Deucher , "xen-devel@lists.xenproject.org" , Dennis Dalessandro List-Id: amd-gfx.lists.freedesktop.org T24gMTEvNC8xOSA5OjMxIFBNLCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4gT24gTW9uLCBOb3Yg MDQsIDIwMTkgYXQgMDU6MDM6MzFQTSAtMDUwMCwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+PiBP biAxMC8yOC8xOSA0OjEwIFBNLCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4+PiBAQCAtNDQ1LDE3 ICs0MzgsOSBAQCBzdGF0aWMgdm9pZCBnbnRkZXZfdm1hX2Nsb3NlKHN0cnVjdCB2bV9hcmVhX3N0 cnVjdCAqdm1hKQo+Pj4gIAlzdHJ1Y3QgZ250ZGV2X3ByaXYgKnByaXYgPSBmaWxlLT5wcml2YXRl X2RhdGE7Cj4+PiAgCj4+PiAgCXByX2RlYnVnKCJnbnRkZXZfdm1hX2Nsb3NlICVwXG4iLCB2bWEp Owo+Pj4gLQlpZiAodXNlX3B0ZW1vZCkgewo+Pj4gLQkJLyogSXQgaXMgcG9zc2libGUgdGhhdCBh biBtbXUgbm90aWZpZXIgY291bGQgYmUgcnVubmluZwo+Pj4gLQkJICogY29uY3VycmVudGx5LCBz byB0YWtlIHByaXYtPmxvY2sgdG8gZW5zdXJlIHRoYXQgdGhlIHZtYSB3b24ndAo+Pj4gLQkJICog dmFuaXNoaW5nIGR1cmluZyB0aGUgdW5tYXBfZ3JhbnRfcGFnZXMgY2FsbCwgc2luY2Ugd2Ugd2ls bAo+Pj4gLQkJICogc3BpbiBoZXJlIHVudGlsIHRoYXQgY29tcGxldGVzLiBTdWNoIGEgY29uY3Vy cmVudCBjYWxsIHdpbGwKPj4+IC0JCSAqIG5vdCBkbyBhbnkgdW5tYXBwaW5nLCBzaW5jZSB0aGF0 IGhhcyBiZWVuIGRvbmUgcHJpb3IgdG8KPj4+IC0JCSAqIGNsb3NpbmcgdGhlIHZtYSwgYnV0IGl0 IG1heSBzdGlsbCBpdGVyYXRlIHRoZSB1bm1hcF9vcHMgbGlzdC4KPj4+IC0JCSAqLwo+Pj4gLQkJ bXV0ZXhfbG9jaygmcHJpdi0+bG9jayk7Cj4+PiArCWlmICh1c2VfcHRlbW9kICYmIG1hcC0+dm1h ID09IHZtYSkgewo+Pgo+PiBJcyBpdCBwb3NzaWJsZSBmb3IgbWFwLT52bWEgbm90IHRvIGJlIGVx dWFsIHRvIHZtYT8KPiBJdCBjb3VsZCBiZSBOVUxMIGF0IGxlYXN0IGlmIHVzZV9wdGVtb2QgaXMg bm90IHNldC4KPgo+IE90aGVyd2lzZSwgSSdtIG5vdCBzdXJlLCB0aGUgY29uZnVzaW5nIGJpdCBp cyB0aGF0IHRoZSBtYXAgY29tZXMgZnJvbQo+IGhlcmU6Cj4KPiAgICAgICAgIG1hcCA9IGdudGRl dl9maW5kX21hcF9pbmRleChwcml2LCBpbmRleCwgY291bnQpOwo+Cj4gSXQgbG9va3MgbGlrZSB0 aGUgaW50ZW50IGlzIHRoYXQgdGhlIG1hcC0+dm1hIGlzIGFsd2F5cyBzZXQgdG8gdGhlCj4gb25s eSB2bWEgdGhhdCBoYXMgdGhlIG1hcCBhcyBwcml2YXRlX2RhdGEuCgpJIGFtIG5vdCBzdXJlIGhv dyB0aGlzIGNhbiB3b3JrIG90aGVyd2lzZS4gV2Ugc3Rhc2ggbWFwIHBvaW50ZXIgaW4gdm0ncwp2 bV9wcml2YXRlX2RhdGEgYW5kIHZpY2UgdmVyc2EgKGZvciB1c2VfcHRlbW9kKSBnbnRkZXZfbW1h cCgpIHNvIGlmIHRoZXkKaGF2ZSB0byBtYXRjaC4KClRoYXQncyB3aHkgSSB3YXMgYXNraW5nIHlv dSB0byBzZWUgaWYgeW91IGhhZCBzb21ldGhpbmcgcGFydGljdWxhciBpbgptaW5kIHdoZW4geW91 IGFkZGVkIHRoaXMgdGVzdC4KCj4gU28sIEkgc3VwcG9zZSBpdCBjYW4gYmUgcmVsYXhlZCB0byBh IG51bGwgdGVzdCBhbmQgYSBXQVJOX09OIHRoYXQgaXQKPiBoYXNuJ3QgY2hhbmdlZD8KCllvdSBt ZWFuCgppZiAodXNlX3B0ZW1vZCkgewrCoMKgwqDCoMKgwqDCoCBXQVJOX09OKG1hcC0+dm1hICE9 IHZtYSk7CsKgwqDCoMKgwqDCoMKgIC4uLgoKClllcywgdGhhdCBzb3VuZHMgZ29vZC4KCgotYm9y aXMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8v bGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw= 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,UNPARSEABLE_RELAY,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 44ADDC5DF60 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: <20191105151646.6S2u8yzKYUZU0Inw6Bv5JNrA5UI4mFYQYkpx5HvXANQ@z> T24gMTEvNC8xOSA5OjMxIFBNLCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4gT24gTW9uLCBOb3Yg MDQsIDIwMTkgYXQgMDU6MDM6MzFQTSAtMDUwMCwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+PiBP biAxMC8yOC8xOSA0OjEwIFBNLCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4+PiBAQCAtNDQ1LDE3 ICs0MzgsOSBAQCBzdGF0aWMgdm9pZCBnbnRkZXZfdm1hX2Nsb3NlKHN0cnVjdCB2bV9hcmVhX3N0 cnVjdCAqdm1hKQo+Pj4gIAlzdHJ1Y3QgZ250ZGV2X3ByaXYgKnByaXYgPSBmaWxlLT5wcml2YXRl X2RhdGE7Cj4+PiAgCj4+PiAgCXByX2RlYnVnKCJnbnRkZXZfdm1hX2Nsb3NlICVwXG4iLCB2bWEp Owo+Pj4gLQlpZiAodXNlX3B0ZW1vZCkgewo+Pj4gLQkJLyogSXQgaXMgcG9zc2libGUgdGhhdCBh biBtbXUgbm90aWZpZXIgY291bGQgYmUgcnVubmluZwo+Pj4gLQkJICogY29uY3VycmVudGx5LCBz byB0YWtlIHByaXYtPmxvY2sgdG8gZW5zdXJlIHRoYXQgdGhlIHZtYSB3b24ndAo+Pj4gLQkJICog dmFuaXNoaW5nIGR1cmluZyB0aGUgdW5tYXBfZ3JhbnRfcGFnZXMgY2FsbCwgc2luY2Ugd2Ugd2ls bAo+Pj4gLQkJICogc3BpbiBoZXJlIHVudGlsIHRoYXQgY29tcGxldGVzLiBTdWNoIGEgY29uY3Vy cmVudCBjYWxsIHdpbGwKPj4+IC0JCSAqIG5vdCBkbyBhbnkgdW5tYXBwaW5nLCBzaW5jZSB0aGF0 IGhhcyBiZWVuIGRvbmUgcHJpb3IgdG8KPj4+IC0JCSAqIGNsb3NpbmcgdGhlIHZtYSwgYnV0IGl0 IG1heSBzdGlsbCBpdGVyYXRlIHRoZSB1bm1hcF9vcHMgbGlzdC4KPj4+IC0JCSAqLwo+Pj4gLQkJ bXV0ZXhfbG9jaygmcHJpdi0+bG9jayk7Cj4+PiArCWlmICh1c2VfcHRlbW9kICYmIG1hcC0+dm1h ID09IHZtYSkgewo+Pgo+PiBJcyBpdCBwb3NzaWJsZSBmb3IgbWFwLT52bWEgbm90IHRvIGJlIGVx dWFsIHRvIHZtYT8KPiBJdCBjb3VsZCBiZSBOVUxMIGF0IGxlYXN0IGlmIHVzZV9wdGVtb2QgaXMg bm90IHNldC4KPgo+IE90aGVyd2lzZSwgSSdtIG5vdCBzdXJlLCB0aGUgY29uZnVzaW5nIGJpdCBp cyB0aGF0IHRoZSBtYXAgY29tZXMgZnJvbQo+IGhlcmU6Cj4KPiAgICAgICAgIG1hcCA9IGdudGRl dl9maW5kX21hcF9pbmRleChwcml2LCBpbmRleCwgY291bnQpOwo+Cj4gSXQgbG9va3MgbGlrZSB0 aGUgaW50ZW50IGlzIHRoYXQgdGhlIG1hcC0+dm1hIGlzIGFsd2F5cyBzZXQgdG8gdGhlCj4gb25s eSB2bWEgdGhhdCBoYXMgdGhlIG1hcCBhcyBwcml2YXRlX2RhdGEuCgpJIGFtIG5vdCBzdXJlIGhv dyB0aGlzIGNhbiB3b3JrIG90aGVyd2lzZS4gV2Ugc3Rhc2ggbWFwIHBvaW50ZXIgaW4gdm0ncwp2 bV9wcml2YXRlX2RhdGEgYW5kIHZpY2UgdmVyc2EgKGZvciB1c2VfcHRlbW9kKSBnbnRkZXZfbW1h cCgpIHNvIGlmIHRoZXkKaGF2ZSB0byBtYXRjaC4KClRoYXQncyB3aHkgSSB3YXMgYXNraW5nIHlv dSB0byBzZWUgaWYgeW91IGhhZCBzb21ldGhpbmcgcGFydGljdWxhciBpbgptaW5kIHdoZW4geW91 IGFkZGVkIHRoaXMgdGVzdC4KCj4gU28sIEkgc3VwcG9zZSBpdCBjYW4gYmUgcmVsYXhlZCB0byBh IG51bGwgdGVzdCBhbmQgYSBXQVJOX09OIHRoYXQgaXQKPiBoYXNuJ3QgY2hhbmdlZD8KCllvdSBt ZWFuCgppZiAodXNlX3B0ZW1vZCkgewrCoMKgwqDCoMKgwqDCoCBXQVJOX09OKG1hcC0+dm1hICE9 IHZtYSk7CsKgwqDCoMKgwqDCoMKgIC4uLgoKClllcywgdGhhdCBzb3VuZHMgZ29vZC4KCgotYm9y aXMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdm eCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4