From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [Beignet] Preventing zero GPU virtual address allocation Date: Thu, 19 Mar 2015 15:58:49 +0100 Message-ID: <20150319145849.GU31422@phenom.ffwll.local> References: <20150313092738.GD3800@phenom.ffwll.local> <20150313165847.GA31491@nuc-i3427.alporthouse.com> <20150313171339.GL3800@phenom.ffwll.local> <148B1B7A67D1C24B9EF0BE42EA4977062B7F5DFE@SHSMSX101.ccr.corp.intel.com> <20150316085214.GF21993@phenom.ffwll.local> <550738B4.8060405@virtuousgeek.org> <5508449C.50705@virtuousgeek.org> <148B1B7A67D1C24B9EF0BE42EA4977062B7F7BB2@SHSMSX101.ccr.corp.intel.com> <20150319100953.GA10425@boom> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-we0-f170.google.com (mail-we0-f170.google.com [74.125.82.170]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A0816EAA1 for ; Thu, 19 Mar 2015 07:57:08 -0700 (PDT) Received: by wegp1 with SMTP id p1so59445092weg.1 for ; Thu, 19 Mar 2015 07:57:07 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20150319100953.GA10425@boom> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Song, Ruiling" , Jesse Barnes , "Weinehall, David" , "Yang, Rong R" , "intel-gfx@lists.freedesktop.org" , "beignet@lists.freedesktop.org" , "Vetter, Daniel" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBNYXIgMTksIDIwMTUgYXQgMTI6MDk6NTNQTSArMDIwMCwgRGF2aWQgV2VpbmVoYWxs IHdyb3RlOgo+IE9uIFRodSwgTWFyIDE5LCAyMDE1IGF0IDAzOjIyOjQyQU0gKzAwMDAsIFNvbmcs IFJ1aWxpbmcgd3JvdGU6Cj4gPiAKPiA+ID4gWWVhaCwgTUFQX0ZJWEVEIHNvdW5kcyBhIGJpdCBt b3JlIGFtYml0aW91cyBhbmQgdGhvdWdoIEkgdGhpbmsgaXQgd291bGQKPiA+ID4gd29yayBmb3Ig T0NMIDIuMCBwb2ludGVyIHNoYXJpbmcsIGl0J3MgYSBsaXR0bGUgZGlmZmVyZW50IHRoYW4gd2Ug d2VyZSBwbGFubmluZy4KPiA+ID4gVG8gc3VtbWFyaXplLCB3ZSBoYXZlIHRocmVlIHBvc3NpYmxl IGFwcHJvYWNoZXMsIGVhY2ggd2l0aCBpdHMgb3duCj4gPiA+IHByb2JsZW1zOgo+ID4gPiAgIDEp IHNpbXBsZSBwYXRjaCB0byBhdm9pZCBiaW5kaW5nIGF0IGFkZHJlc3MgMCBpbiBQUEdUVDoKPiA+ ID4gICAgICBkb2VzIGltcGFjdCB0aGUgQUJJICh0aG91Z2ggZ2VuZXJhbGx5IG5vdCBpbiBhIGhh cm1mdWwgd2F5KSwgYW5kCj4gPiA+ICAgICAgbWF5IG5vdCBiZSBwb3NzaWJsZSB3aXRoIGFsaWFz aW5nIFBQR1RUIHdpdGggZS5nLiBmcmFtZWJ1ZmZlcnMKPiA+ID4gICAgICBib3VuZCBhdCBvZmZz ZXQgMAo+ID4gPiAgIDIpIGV4cG9zaW5nIFBJTl9CSUFTIHRvIHVzZXJzcGFjZQo+ID4gPiAgICAg IFdvdWxkIGFsbG93IHVzZXJzcGFjZSB0byBhdm9pZCBwaW5uaW5nIGFueSBidWZmZXJzIGF0IG9m ZnNldCAwIGF0Cj4gPiA+ICAgICAgZXhlY2J1ZiB0aW1lLCBidXQgc3RpbGwgaGFzIHRoZSBwcm9i bGVtIHdpdGggcHJldmlvdXNseSBib3VuZCBidWZmZXJzCj4gPiA+ICAgICAgYW5kIGFsaWFzaW5n IFBQR1RUCj4gPiA+ICAgMykgTUFQX0ZJWEVEIGludGVyZmFjZQo+ID4gPiAgICAgIEZsZXhpYmxl IGFwcHJvYWNoIGFsbG93aW5nIHVzZXJzcGFjZSB0byBtYW5hZ2UgaXRzIG93biB2aXJ0dWFsCj4g PiA+ICAgICAgbWVtb3J5LCBidXQgc3RpbGwgaGFzIHRoZSBzYW1lIGlzc3VlcyB3aXRoIGFsaWFz aW5nIFBQR1RULCBhbmQgd2l0aAo+ID4gPiAgICAgIHNoYXJlZCBjb250ZXh0cywgd2hpY2ggd291 bGQgaGF2ZSB0byBuZWdvdGlhdGUgYmV0d2VlbiBsaWJyYXJpZXMKPiA+ID4gaG93IHRvCj4gPiA+ ICAgICAgaGFuZGxlIHRoZSB6ZXJvIHBhZ2UKPiA+ID4gCj4gPiA+IEZvciAoMSkgYW5kICgyKSB0 aGUga2VybmVsIHBpZWNlcyBhcmUgcmVhbGx5IGFscmVhZHkgaW4gcGxhY2UsIHRoZSBtYWluIHRo aW5nIHdlCj4gPiA+IG5lZWQgaXMgYSBuZXcgZmxhZyB0byB1c2Vyc3BhY2UgdG8gaW5kaWNhdGUg YmVoYXZpb3IuICBJJ2QgcHJlZmVyICgxKSB3aXRoIGEKPiA+ID4gY29udGV4dCBjcmVhdGlvbiBm bGFnIHRvIGluZGljYXRlICJkb24ndCBiaW5kIGF0IDAiLgo+ID4gPiBFeGVjYnVmIHdvdWxkIHRy eSB0byBob25vciB0aGlzLCBhbmQgdXNlcnNwYWNlIGNvdWxkIGNoZWNrIGlmIGFueSBidWZmZXJz Cj4gPiA+IGVuZGVkIHVwIGF0IDAgaW4gdGhlIGFsaWFzaW5nIFBQR1RUIGNhc2UgYnkgY2hlY2tp bmcgdGhlIHJlc3VsdGluZyBvZmZzZXRzCj4gPiA+IGZvbGxvd2luZyB0aGUgY2FsbC4gIEkgZXhw ZWN0IGluIG1vc3QgY2FzZXMgdGhpcyB3b3VsZCBiZSBmaW5lLgo+ID4gPiAKPiA+ID4gSXQgc2hv dWxkIGJlIHByZXR0eSBlYXN5IHRvIGV4dGVuZCBSdWlsaW5nJ3MgcGF0Y2ggdG8gdXNlIGEgY29u dGV4dCBmbGFnIHRvCj4gPiA+IGRldGVybWluZSB0aGUgYmVoYXZpb3I7IGlzIHRoYXQgc29tZXRo aW5nIHlvdSBjYW4gZG8/ICBBbnkgb2JqZWN0aW9ucyB0bwo+ID4gPiB0aGlzIGFwcHJvYWNoPwo+ ID4gCj4gPiBJIGFtIG9rIHdpdGggYWRkaW5nIGEgY29udGV4dCBmbGFnIHRvIGluZGljYXRlICJk b24ndCBiaW5kIGF0IDAiLiBBbnkgb2JqZWN0aW9ucyBmcm9tIG90aGVycz8KPiA+IFRoZSBwYXRj aCBpcyBub3QgZnJvbSBtZSwgaXQgaXMgZnJvbSBEYXZpZC4gSSBhbSBub3QgZmFtaWxpYXIgd2l0 aCBLTUQuIERhdmlkLCBjb3VsZCB5b3UgaGVscCBvbiB0aGlzIHBhdGNoPwo+IAo+IFl1cCwgYXNz dW1pbmcsIG9mIGNvdXJzZSwgdGhhdCBzdWNoIGFuIGFwcHJvYWNoIGlzIGFjY2VwdGFibGUuCgpZ ZWFoIG15IGJpZyBjb25jZXJuIHdhcyB3aXRoIG5vdCBtYWtpbmcgdGhpcyBvcHQtaW4gbGlrZSB0 aGUgb2xkIHBhdGNoIG9yCmFkZGluZyBhbiBpbnRlcmZhY2Ugd2hpY2ggZG9lcyBhIGxvdCBtb3Jl IHRoYW4gd2hhdCB3ZSBuZWVkIHJpZ2h0IG5vdwooQ2hyaXMnIHBhdGNoKS4gSnVzdCBhIGJpdGZs YWcgdG8gYXNrIGZvciB0aGlzIHNlZW1zIGJlc3QgYW5kIGlzIGZpbmUgd2l0aAptZS4KCkFuZCBm b3IgdGhlIGltcGxlbWVudGF0aW9uIEkgdGhpbmsgd2Ugc2hvdWxkIHJldXNlIHRoZSBQSU5fQklB UyBsb2dpYwpzaW5jZSB0aGF0J2xsIHdvcmsgaW4gYWxsIHBsYWNlcyB3aGVyZSBpdCdzIHBvc3Np YmxlLiBPbmUgb3BlbiBmcm9tIG15CnNpZGUgaXMgaG93IHdlIHNob3VsZCBoYW5kbGUgZmFpbHVy ZXMgdG8gbW92ZSBidWZmZXJzIChpbiBjYXNlIHRoZXkgZW5kZWQKdXAgYXQgMCBzb21laG93KSAt IHdlIGNhbiBlaXRoZXIgc2lsZW50bHkgZmFpbCBvciByZXR1cm4gYW4gZXJyb3IgdG8KdXNlcnNw YWNlLgoKTm90ZSB0aGF0IHRoaXMgaXMgb25seSBwb3NzaWJsZSBpZiB5b3UgcmVuZGVyIHRvIGFu IGVsZyBpbWFnZSBmcm9tIG9jbCwKYW5kIGlmIHRoYXQgZWdsIGltYWdlIGlzIGEgcGlubmVkIGZy b250YnVmZmVyIGFuZCBpZiB3ZSBkb24ndCBoYXZlIGZ1bGwKcHBndHQgc3VwcG9ydC4gSSBkb24n dCBrbm93IHdoYXQgdGhlIHNwZWMgcmVxdWlyZXMgdXMgdG8gZG8gaGVyZSwgb3IKd2hldGhlciB3 ZSBzaG91bGQgY2FyZSBhdCBhbGwuCi1EYW5pZWwKLS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUg RW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRl c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==