From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: References: <20180702090727.7721-1-chris@chris-wilson.co.uk> <20180702090727.7721-5-chris@chris-wilson.co.uk> <59be4b41-b731-5af6-db1c-30942c28b717@linux.intel.com> <153078982141.31833.16561131331372194366@skylake-alporthouse-com> From: Tvrtko Ursulin Message-ID: Date: Thu, 5 Jul 2018 13:33:55 +0100 MIME-Version: 1.0 In-Reply-To: <153078982141.31833.16561131331372194366@skylake-alporthouse-com> Content-Language: en-GB Subject: Re: [Intel-gfx] [PATCH i-g-t 05/17] lib: Spin fast, retire early List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , igt-dev@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org List-ID: Ck9uIDA1LzA3LzIwMTggMTI6MjMsIENocmlzIFdpbHNvbiB3cm90ZToKPiBRdW90aW5nIFR2cnRr byBVcnN1bGluICgyMDE4LTA3LTAyIDE2OjM2OjI4KQo+Pgo+PiBPbiAwMi8wNy8yMDE4IDEwOjA3 LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+PiBXaGVuIHVzaW5nIHRoZSBwb2xsYWJsZSBzcGlubmVy LCB3ZSBvZnRlbiB3YW50IHRvIHVzZSBpdCBhcyBhIG1lYW5zIG9mCj4+PiBlbnN1cmluZyB0aGUg dGFzayBpcyBydW5uaW5nIG9uIHRoZSBHUFUgYmVmb3JlIHN3aXRjaGluZyB0byBzb21ldGhpbmcK Pj4+IGVsc2UuIEluIHdoaWNoIGNhc2Ugd2UgZG9uJ3Qgd2FudCB0byBhZGQgZXh0cmEgZGVsYXkg aW5zaWRlIHRoZSBzcGlubmVyLAo+Pj4gYnV0IHRoZSBjdXJyZW50IDEwMDAgTk9QcyBhZGQgb24g b3JkZXIgb2YgNXVzLCB3aGljaCBpcyBvZnRlbiBsYXJnZXIKPj4+IHRoYW4gdGhlIHRhcmdldCBs YXRlbmN5Lgo+Pj4KPj4+IHYyOiBEb24ndCBjaGFuZ2UgcGVyZl9wbXUgYXMgdGhhdCBpcyBzZW5z aXRpdmUgdG8gdGhlIGV4dHJhIENQVSBsYXRlbmN5Cj4+PiBmcm9tIGEgdGlnaHQgR1BVIHNwaW5u ZXIuCj4+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxz b24uY28udWs+Cj4+PiBSZXZpZXdlZC1ieTogQW50b25pbyBBcmdlbnppYW5vIDxhbnRvbmlvLmFy Z2Vuemlhbm9AaW50ZWwuY29tPiAjdjEKPj4+IFJldmlld2VkLWJ5OiBKb29uYXMgTGFodGluZW4g PGpvb25hcy5sYWh0aW5lbkBsaW51eC5pbnRlbC5jb20+ICN2MQo+Pj4gQ2M6IFR2cnRrbyBVcnN1 bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+Cj4+PiAtLS0KPj4+ICAgIGxpYi9pZ3RfZHVt bXlsb2FkLmMgICAgICAgfCAzICsrLQo+Pj4gICAgbGliL2lndF9kdW1teWxvYWQuaCAgICAgICB8 IDEgKwo+Pj4gICAgdGVzdHMvZ2VtX2N0eF9pc29sYXRpb24uYyB8IDEgKwo+Pj4gICAgdGVzdHMv Z2VtX2Vpby5jICAgICAgICAgICB8IDEgKwo+Pj4gICAgdGVzdHMvZ2VtX2V4ZWNfbGF0ZW5jeS5j ICB8IDQgKystLQo+Pj4gICAgNSBmaWxlcyBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyksIDMgZGVs ZXRpb25zKC0pCj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL2xpYi9pZ3RfZHVtbXlsb2FkLmMgYi9saWIv aWd0X2R1bW15bG9hZC5jCj4+PiBpbmRleCA5NGVmZGY3NDUuLjdiZWI2NjI0NCAxMDA2NDQKPj4+ IC0tLSBhL2xpYi9pZ3RfZHVtbXlsb2FkLmMKPj4+ICsrKyBiL2xpYi9pZ3RfZHVtbXlsb2FkLmMK Pj4+IEBAIC0xOTksNyArMTk5LDggQEAgZW1pdF9yZWN1cnNpdmVfYmF0Y2goaWd0X3NwaW5fdCAq c3BpbiwKPj4+ICAgICAgICAgKiBiZXR3ZWVuIGZ1bmN0aW9uIGNhbGxzLCB0aGF0IGFwcGVhcnMg ZW5vdWdoIHRvIGtlZXAgU05CIG91dCBvZgo+Pj4gICAgICAgICAqIHRyb3VibGUuIFNlZSBodHRw czovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDIyNjIKPj4+ICAgICAg ICAgKi8KPj4+IC0gICAgIGJhdGNoICs9IDEwMDA7Cj4+PiArICAgICBpZiAoIShvcHRzLT5mbGFn cyAmIElHVF9TUElOX0ZBU1QpKQo+Pj4gKyAgICAgICAgICAgICBiYXRjaCArPSAxMDAwOwo+Pgo+ PiBpZ3RfcmVxdWlyZSghc25iKSBvciBzb21ldGhpbmcsIGdpdmVuIHRoZSBjb21tZW50IHdob3Nl IGxhc3QgdHdvIGxpbmVzCj4+IGNhbiBiZSBzZWVuIGluIHRoZSBkaWZmIGFib3ZlPwo+IAo+IEl0 J3Mgbm90IGEgbWFjaGluZSBraWxsZXIgc2luY2Ugd2UgaGF2ZSB0aGUgcmVxdWlyZWQgZml4IGlu IHRoZSBrZXJuZWwsCj4gaXQganVzdCBoYXMgaW50ZXJlc3Rpbmcgc3lzdGVtIGxhdGVuY3kuIFRo YXQgbGF0ZW5jeSBpcyBub3Qgc3BlY2lmaWMgdG8KPiBzbmIsIGFuZCB3aGV0aGVyIHdlIHdhbnQg dG8gdHJhZGUgc3lzdGVtIGxhdGVuY3kgdnMgZ3B1IGxhdGVuY3kgaXMgdGhlCj4gcmVhc29uIHdl IHB1bnQgdGhlIGRlY2lzaW9uIHRvIHRoZSBjYWxsZXIuCgpJIGFtIG5vdCBzdXJlIGlmIHRoZSBj b21tZW50IGFuZCBsaW5rZWQgQlogaXMgdGhlbiBzdGlsbCByZWxldmFudD8KCklmIGl0IGlzLCBp dCBpcyBub3QgbmljZSB0byBwdW50IHRoZSByZXNwb25zaWJpbGl0eSB0byB0aGUgY2FsbGVyLiBX ZSAKYXJlIGV4cG9ydGluZyBuZXcgQVBJIGFuZCBpdCBpcyBoYXJkIHRvIHRoaW5rIGNhbGxlcnMg d2lsbCBkaWcgaW50byB0aGUgCmltcGxlbWVudGF0aW9uIHRvIGZpbmQgaXQgKHRoaXMgY29tbWVu dCkuCgpTbyBhIGluZm8vd2Fybi9za2lwIHdoZW4gdXNpbmcgdGhlIGZlYXR1cmUgb24gYSBwbGF0 Zm9ybSB3aGVyZSBpdCAKZG9lc24ndCB3b3JrIHdlbGwgaXMgSSB0aGluayBtdWNoIGZyaWVuZGxp ZXIgYXBwcm9hY2guCgpJZiB0aGUgY29tbWVudCBpcyBub3QgcmVsZXZhbnQsIG9yIG5lZWRzIHRv IGJlIGFkanVzdGVkIHRvIHJlZmxlY3QgdGhlIApjaGFuZ2VkIHJlYWxpdHkgKGJ1Z2ZpeCB5b3Ug bWVudGlvbiksIHRoZW4gZWl0aGVyIHJlbW92ZWQgb3IgYWRqdXN0ZWQuCgpSZWdhcmRzLAoKVHZy dGtvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=