From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH] drm/i915: Optimise VMA lookup slightly Date: Tue, 13 Dec 2016 14:40:00 +0000 Message-ID: References: <1481631738-31574-1-git-send-email-tvrtko.ursulin@linux.intel.com> <20161213124109.GP20316@nuc-i3427.alporthouse.com> <20161213134100.GQ20316@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 310BD6E120 for ; Tue, 13 Dec 2016 14:40:04 +0000 (UTC) In-Reply-To: <20161213134100.GQ20316@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Tvrtko Ursulin , Intel-gfx@lists.freedesktop.org, Tvrtko Ursulin List-Id: intel-gfx@lists.freedesktop.org Ck9uIDEzLzEyLzIwMTYgMTM6NDEsIENocmlzIFdpbHNvbiB3cm90ZToKPiBPbiBUdWUsIERlYyAx MywgMjAxNiBhdCAwMTozMDoxOVBNICswMDAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPj4KPj4g T24gMTMvMTIvMjAxNiAxMjo0MSwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+Pj4gT24gVHVlLCBEZWMg MTMsIDIwMTYgYXQgMTI6MjI6MThQTSArMDAwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Pj4g RnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KPj4+Pgo+Pj4+ IEEgZmV3IGRldGFpbHMgdG8gaG9wZWZ1bGx5IG1ha2UgYSB2ZXJ5IGhvdCBmdW5jdGlvbiBhIHRp bnkgYml0Cj4+Pj4gbW9yZSBlZmZpY2llbnQ6Cj4+Pj4KPj4+PiAxLiBDYXN0IFZNIHBvaW50ZXJz IGJlZm9yZSBzdWJzdHJhY3Rpb24gdG8gc2F2ZSB0aGUgY29tcGlsZXIKPj4+PiAgICBkb2luZyBh IHNtYXJ0IG9uZSB3aGljaCBpbmNsdWRlcyBtdWx0aXBsaWNhdGlvbi4KPj4+Cj4+PiBJbmRlZWQu IE5vdCBwcmV0dHkgdGhvdWdoLgo+Pj4KPj4+IHN0YXRpYyBhbHdheXNfaW5saW5lIF9fa2VybmVs X3B0cmRpZmZfdCBwdHJkaWZmKGNvbnN0IHZvaWQgKmEsIGNvbnN0IHZvaWQgKmIpCj4+PiB7Cj4+ PiAJcmV0dXJuIGEgLSBiOwo+Pj4gfQo+Pj4KPj4+IGNtcCA9IHB0cmRpZmYodm1hLT52bSwgdm0p Owo+Pj4gaWYgKGNtcCkKPj4+IAlyZXR1cm4gY21wOwo+Pgo+PiBQZmZpZmxlIGFzIHlvdSB3b3Vs ZCBzYXkuIDopCj4+Cj4+Pj4gMi4gVXNlIHNtYWxsZXIgdHlwZSBmb3IgY29tcGFyaXNvbiBzaW5j ZSB3ZSBvbmx5IGNhcmUgYWJvdXQKPj4+PiAgICB0aGUgc2lnbi4KPj4+Cj4+PiBTaG91bGQgYmUg YSBuby1vcCBzaW5jZSB0aGUgY29tcGlsZXIgYWxzbyBzaG91bGQgb25seSBjYXJlIGFib3V0IHRo ZQo+Pj4gc2lnbiBhbmQgbm90IGJlIG1vdmluZyB0aGUgcmVnaXN0ZXJzIGFib3V0LCBqdXN0IHRo ZSBjYyBhbmQgd2Ugc2hvdWxkIGJlCj4+PiBpbmxpbmluZy4uLiBJcyBnY2Mgbm90IHNtYXJ0IGVu b3VnaD8gOigKPj4KPj4gSSBhbSBwcmV0dHkgc3VyZSB0aGVyZSB3YXMgYSBzaWduaWZpY2FudCBk aWZmZXJlbmNlIGluIHRoZSBzaXplIG9mCj4+IGdlbmVyYXRlZCBjb2RlIHNvIGFwcGFyZW50bHkg aXQgaXNuJ3QuCj4KPiBJZiB5b3UgaGF2ZSB0d28gYXZhaWxhYmxlLCBjYW4geW91IGF0dGFjaCB0 aGUgYXNtPwoKaHR0cDovL3Bhc3RlLmRlYmlhbi5uZXQvOTAxOTk1LyBpZiB5b3UgY2FuIGZpZ3Vy ZSBpdCBvdXQuCgpEcm9wcGVkIGl0IGZyb20gdjIgdGhvdWdoLgoKPj4+PiAzLiBQcmVmZXIgdGhl IHBwZ3R0IGxvb2t1cCBicmFuY2ggYW5kIGlubGluZSBpdCwgYWxsb3dpbmcgdGhlCj4+Pj4gICAg Y29tcGlsZXIgdG8gb3B0aW1pc2Ugb3V0IHRoZSBzZWNvbmQgcGFydCBvZiBpOTE1X3ZtYV9jb21w YXJlCj4+Pj4gICAgYW5kIHNhdmUgb25lIGNhbGwgaW5kaXJlY3Rpb24uCj4+Pgo+Pj4gVGhpcyBy dW5zIGNvdW50ZXIgdG8gYSBiZXR0ZXIgb3B0aW1pc2F0aW9uIHRoYXQgY29tcGxldGVseSBhdm9p ZHMKPj4+IGNhbGxpbmcgb2JqX3RvX3ZtYSBmb3IgcHBndHQgbG9va3VwcyAoaS5lLiBpbiBleGVj YnVmZmVyIHdlIGdvIHN0cmFpZ2h0Cj4+ID5mcm9tIGhhbmRsZSB0byB2bWEsIHNraXBwaW5nIHRo ZSBoYW5kbGUgdG8gb2JqIGludGVybWVkaWF0ZSBsb29rdXApLgo+Pj4KPj4+IFByaW1hcnkgY2Fs bGVyIGZvciB0aGlzIGZ1bmN0aW9uIHNob3VsZCBiZSBnZ3R0IHVzZXJzLCB3aXRoIHNpbmdsZQo+ Pj4gbmVnYXRpdmUgbG9va3VwcyBiZWZvcmUgY3JlYXRpbmcgdGhlIHBwZ3R0IHZtYS4KPj4KPj4g RW1waXJpY2FsbHkgcHBndHQgdXNlcnMgY2FsbCB0aGlzIG11Y2ggbXVjaCBtb3JlIG9uIGFueSBi ZW5jaG1hcmtzCj4+IEkndmUgdHJpZWQgc2luY2Ugd2l0aCB0aGUgY2hhbmdlIGFsbCBJIHNlZSBp cyBsb29rdXBfYW5kX2NyZWF0ZSBpbgo+PiB0aGUgcHJvZmlsZXMgYW5kIG5vdCBvYmpfdG9fdm1h Lgo+Cj4gRXhhY3RseSwgaGVuY2Ugd2h5IHdlIHNob3VsZCB0YWNrbGUgdGhlIHJvb3Qgb2YgdGhl IHByb2JsZW0uLi4gUmVwbGFjZSBhCj4gc2xvdyBpZHIgbG9va3VwIGFuZCByYnRyZWUgd2FsayB3 aXRoIGEgZGlyZWN0IGxvb2t1cCAoaGFzaHRhYmxlKSBmcm9tCj4gdGhlIGZwcml2LiBTaW5jZSBp dCBkb2Vzbid0IGp1c3QgYWZmZWN0IGZ1bGwtcHBndHQgYnV0IHRoZSBpbnRyb2R1Y3Rpb24KPiBv ZiB0aGUgc2Vjb25kIGxvb2t1cCByZWdyZXNzZWQgZXZlcnlvbmUsCj4gaHR0cHM6Ly9idWdzLmZy ZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9ODcxMzEgYW5kIHRoZSBteXJpYWQgb2YKPiBp Z3QvYmVuY2htYXJrL2dlbV9leGVjX3JlbG9jIGJlbmNobWFya3MuCgpEcm9wcGVkIHRoaXMgZnJv bSB2MiBhcyB3ZWxsLCBvbmx5IGtlcHQgcHRyZGlmZi4KCldpbGwgaGF2ZSBhIGxvb2sgYXJvdW5k IGZvciB0aGUgdGhpbmdzIHlvdSBtZW50aW9uZWQgaGVyZS4KClJlZ2FyZHMsCgpUdnJ0a28KX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1h aWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==