From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerome Glisse Subject: Re: [RFC PATCH 00/13] SVM (share virtual memory) with HMM in nouveau Date: Tue, 13 Mar 2018 11:56:46 -0400 Message-ID: <20180313155645.GD3828@redhat.com> References: <20180310032141.6096-1-jglisse@redhat.com> <20180312173009.GN8589@phenom.ffwll.local> <20180312175057.GC4214@redhat.com> <39139ff7-76ad-960c-53f6-46b57525b733@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <39139ff7-76ad-960c-53f6-46b57525b733-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: John Hubbard Cc: Ralph Campbell , "Bridgman, John" , nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Felix Kuehling , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Evgeny Baskakov , christian.koenig-5C7GfCeVMHo@public.gmane.org List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBNYXIgMTIsIDIwMTggYXQgMTE6MTQ6NDdQTSAtMDcwMCwgSm9obiBIdWJiYXJkIHdy b3RlOgo+IE9uIDAzLzEyLzIwMTggMTA6NTAgQU0sIEplcm9tZSBHbGlzc2Ugd3JvdGU6CgpbLi4u XQoKPiBZZXMsIG9uIE5WSURJQSBHUFVzLCB0aGUgSG9zdC9GSUZPIHVuaXQgaXMgbGltaXRlZCB0 byA0MC1iaXQgYWRkcmVzc2VzLCBzbwo+IHRoaW5ncyBzdWNoIGFzIHRoZSBmb2xsb3dpbmcgbmVl ZCB0byBiZSBiZWxvdyAoMSA8PCA0MCksIGFuZCBhbHNvIGFjY2Vzc2libGUgCj4gdG8gYm90aCBD UFUgKHVzZXIgc3BhY2UpIGFuZCBHUFUgaGFyZHdhcmUuIAo+ICAgICAtLSBjb21tYW5kIGJ1ZmZl cnMgKENQVSB1c2VyIHNwYWNlIGRyaXZlciBmaWxscyB0aGVtLCBHUFUgY29uc3VtZXMgdGhlbSks IAo+ICAgICAtLSBzZW1hcGhvcmVzIChoZXJlLCBhIEdQVS1jZW50cmljIHRlcm0sIHJhdGhlciB0 aGFuIE9TLXR5cGU6IHRoZXNlIGFyZQo+ICAgICAgICBtZW1vcnkgbG9jYXRpb25zIHRoYXQsIGZv ciBleGFtcGxlLCB0aGUgR1BVIGhhcmR3YXJlIG1pZ2h0IHdyaXRlIHRvLCBpbgo+ICAgICAgICBv cmRlciB0byBpbmRpY2F0ZSB3b3JrIGNvbXBsZXRpb247IHRoZXJlIGFyZSBvdGhlciB1c2VzIGFz IHdlbGwpLCAKPiAgICAgLS0gYSBmZXcgb3RoZXIgdGhpbmdzIG1vc3QgbGlrZWx5ICh0aGlzIGlz IG5vdCBhIGNvbXBsZXRlIGxpc3QpLgo+IAo+IFNvIHdoYXQgSSdkIHRlbnRhdGl2ZWx5IGV4cGVj dCB0aGF0IHRvIHRyYW5zbGF0ZSBpbnRvIGluIHRoZSBkcml2ZXIgc3RhY2sgaXMsIAo+IGFwcHJv eGltYXRlbHk6Cj4gCj4gICAgIC0tIFVzZXIgc3BhY2UgZHJpdmVyIGNvZGUgbW1hcCdzIGFuIGFy ZWEgYmVsb3cgKDEgPDwgNDApLiBJdCdzIGhhcmQgdG8gYXZvaWQgdGhpcywKPiAgICAgICAgZ2l2 ZW4gdGhhdCB1c2VyIHNwYWNlIG5lZWRzIGFjY2VzcyB0byB0aGUgYXJlYSAoZm9yIGZpbGxpbmcg b3V0IGNvbW1hbmQKPiAgICAgICAgYnVmZmVycyBhbmQgbW9uaXRvcmluZyBzZW1hcGhvcmVzLCB0 aGF0IHNvcnQgb2YgdGhpbmcpLiBUaGVuIHN1YmFsbG9jYXRlCj4gICAgICAgIGZyb20gdGhlcmUg dXNpbmcgbW1hcCdzIE1BUF9GSVhFRCBvciAoZnV0dXJlLWlzaCkgTUFQX0ZJWEVEX1NBRkUgZmxh Z3MuCj4gCj4gICAgICAgIC4uLmdsYW5jaW5nIGF0IHRoZSBvdGhlciBmb3JrIG9mIHRoaXMgdGhy ZWFkLCBJIHRoaW5rIHRoYXQgaXMgZXhhY3RseSB3aGF0Cj4gICAgICAgIEZlbGl4IGlzIHNheWlu ZywgdG9vLiBTbyB0aGF0J3MgZ29vZC4KPiAKPiAgICAgLS0gVGhlIHVzZXIgc3BhY2UgcHJvZ3Jh bSBzaXRzIGFib3ZlIHRoZSB1c2VyIHNwYWNlIGRyaXZlciwgYW5kIGFsdGhvdWdoIHRoZQo+ICAg ICAgICBwcm9ncmFtIGNvdWxkLCBpbiB0aGVvcnksIGludGVyZmVyZSB3aXRoIHRoaXMgbW1hcCdk IGFyZWEsIHRoYXQgd291bGQgYmUKPiAgICAgICAgd3JvbmcgaW4gdGhlIHNhbWUgd2F5IHRoYXQg bXVja2luZyBhcm91bmQgd2l0aCBtYWxsb2MnZCBhcmVhcyAob3V0c2lkZSBvZgo+ICAgICAgICBt YWxsb2MoKSBpdHNlbGYpIGlzIHdyb25nLiBTbyBJIGRvbid0IHNlZSBhbnkgcGFydGljdWxhciBu ZWVkIHRvIGRvIG11Y2gKPiAgICAgICAgbW9yZSB0aGFuIHRoZSBhYm92ZS4KCkkgYW0gd29ycmll ZCB0aGF0IHJvZ3VlIHByb2dyYW0gKGkgYW0gbm90IHdvcnJpZWQgYWJvdXQgYnVnZ3kgcHJvZ3Jh bQppZiBwZW9wbGUgc2hvb3QgdGhlbXNlbGYgaW4gdGhlIGZvb3QgdGhleSBzaG91bGQgZmVlbCB0 aGUgcGFpbikgY291bGQKdXNlIHRoYXQgdG8gYWJ1c2UgY2hhbm5lbCB0byBkbyBzb21ldGhpbmcg aGFybWZ1bC4gSSBhbSBub3QgZmFtaWxpYXIKZW5vdWdoIHdpdGggdGhlIGhhcmR3YXJlIHRvIGNv bXBsZXRlbHkgcnVsZSBvdXQgc3VjaCBzY2VuYXJpby4KCkkgZG8gYmVsaWV2ZSBoYXJkd2FyZSB3 aXRoIHVzZXJzcGFjZSBxdWV1ZSBzdXBwb3J0IGhhdmUgdGhlIG5lY2Vzc2FyeQpib3VuZGFyeSB0 byBrZWVwIHRoaW5nIHNlY3VyZSBhcyBpIHdvdWxkIGFzc3VtZSBmb3IgdGhvc2UgdGhlIGhhcmR3 YXJlCmVuZ2luZWVycyBoYWQgdG8gdGFrZSBzZWN1cml0eSBpbnRvIGNvbnNpZGVyYXRpb24uCgpO b3RlIHRoYXQgaW4gbXkgcGF0Y2hzZXQgdGhlIGNvZGUgdGhhdCBtb25pdG9yIHRoZSBzcGVjaWFs IHZtYSBpcyBzbWFsbApzb21ldGhpbmcgbGlrZSAyMGxpbmVzIG9mIGNvZGUgdGhhdCBvbmx5IGdl dCBjYWxsIGlmIHNvbWV0aGluZyBoYXBwZW4KdG8gdGhlIHJlc2VydmVkIGFyZWEuIFNvIGkgYmVs aWV2ZSBpdCBpcyB3b3J0aCBoYXZpbmcgc3VjaCB0aGluZywgY29zdAppcyBsb3cgZm9yIGxpdHRs ZSBleHRyYSBwZWFjZSBvZiBtaW5kIDopCgpDaGVlcnMsCkrDqXLDtG1lCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk5vdXZlYXUgbWFpbGluZyBsaXN0Ck5v dXZlYXVAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vbm91dmVhdQo=