From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by gabe.freedesktop.org (Postfix) with ESMTPS id EED896E94C for ; Fri, 29 Nov 2019 20:38:23 +0000 (UTC) Received: by mail-wr1-x444.google.com with SMTP id i12so36703694wro.5 for ; Fri, 29 Nov 2019 12:38:23 -0800 (PST) References: <1575042765-12496-1-git-send-email-juhapekka.heikkila@gmail.com> <157504343480.11312.14983556265254793121@skylake-alporthouse-com> <157505810779.11312.10692648163660666521@skylake-alporthouse-com> From: Juha-Pekka Heikkila Message-ID: Date: Fri, 29 Nov 2019 22:38:16 +0200 MIME-Version: 1.0 In-Reply-To: <157505810779.11312.10692648163660666521@skylake-alporthouse-com> Content-Language: en-US Subject: Re: [igt-dev] [PATCH i-g-t] tests/kms_cursor_crc: Fix user space read too slow error List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: juhapekka.heikkila@gmail.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: Chris Wilson Cc: igt-dev@lists.freedesktop.org List-ID: T24gMjkuMTEuMjAxOSAyMi4wOCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IFF1b3RpbmcgSnVoYS1Q ZWtrYSBIZWlra2lsw6QgKDIwMTktMTEtMjkgMTk6NTc6NDgpCj4+IE9uIEZyaSwgTm92IDI5LCAy MDE5IGF0IDY6MDQgUE0gQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdy b3RlOgo+Pj4KPj4+IFF1b3RpbmcgSnVoYS1QZWtrYSBIZWlra2lsYSAoMjAxOS0xMS0yOSAxNTo1 Mjo0NSkKPj4+PiBIYXZpbmcgY3JjIHJ1bm5pbmcgY29udGludW91c2x5IGNhdXNlIHRoaXMgdGVz dCBzb21ldGltZQo+Pj4+IGZpbGwgY3JjIGJ1ZmZlciwgZml4IHRoaXMgcHJvYmxlbSBhcyB3ZWxs IGFzIGRvIHNvbWUgZ2VuZXJpYwo+Pj4+IGNsZWFudXBzLgo+Pj4+Cj4+Pj4gU2lnbmVkLW9mZi1i eTogSnVoYS1QZWtrYSBIZWlra2lsYSA8anVoYXBla2thLmhlaWtraWxhQGdtYWlsLmNvbT4KPj4+ PiAtLS0KPj4+PiAgIHRlc3RzL2ttc19jdXJzb3JfY3JjLmMgfCAxMDYgKysrKysrKysrKysrKysr KysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+Pj4+ICAgMSBmaWxlIGNoYW5nZWQs IDU0IGluc2VydGlvbnMoKyksIDUyIGRlbGV0aW9ucygtKQo+Pj4+Cj4+Pj4gZGlmZiAtLWdpdCBh L3Rlc3RzL2ttc19jdXJzb3JfY3JjLmMgYi90ZXN0cy9rbXNfY3Vyc29yX2NyYy5jCj4+Pj4gaW5k ZXggNmM0YzQ1Ny4uNjk4MjQzNyAxMDA2NDQKPj4+PiAtLS0gYS90ZXN0cy9rbXNfY3Vyc29yX2Ny Yy5jCj4+Pj4gKysrIGIvdGVzdHMva21zX2N1cnNvcl9jcmMuYwo+Pj4+IEBAIC01Miw3ICs1Miw2 IEBAIHR5cGVkZWYgc3RydWN0IHsKPj4+PiAgICAgICAgICBzdHJ1Y3QgaWd0X2ZiIGZiOwo+Pj4+ ICAgICAgICAgIGlndF9vdXRwdXRfdCAqb3V0cHV0Owo+Pj4+ICAgICAgICAgIGVudW0gcGlwZSBw aXBlOwo+Pj4+IC0gICAgICAgaWd0X2NyY190IHJlZl9jcmM7Cj4+Pj4gICAgICAgICAgaW50IGxl ZnQsIHJpZ2h0LCB0b3AsIGJvdHRvbTsKPj4+PiAgICAgICAgICBpbnQgc2NyZWVudywgc2NyZWVu aDsKPj4+PiAgICAgICAgICBpbnQgcmVmcmVzaDsKPj4+PiBAQCAtNjAsNiArNTksOSBAQCB0eXBl ZGVmIHN0cnVjdCB7Cj4+Pj4gICAgICAgICAgaW50IGN1cnNvcl9tYXhfdywgY3Vyc29yX21heF9o Owo+Pj4+ICAgICAgICAgIGlndF9waXBlX2NyY190ICpwaXBlX2NyYzsKPj4+PiAgICAgICAgICB1 bnNpZ25lZCBmbGFnczsKPj4+PiArICAgICAgIGlndF9wbGFuZV90ICpwcmltYXJ5Owo+Pj4+ICsg ICAgICAgaWd0X3BsYW5lX3QgKmN1cnNvcjsKPj4+PiArICAgICAgIGNhaXJvX3N1cmZhY2VfdCAq c3VyZmFjZTsKPj4+PiAgIH0gZGF0YV90Owo+Pj4+Cj4+Pj4gICAjZGVmaW5lIFRFU1RfRFBNUyAo MTw8MCkKPj4+PiBAQCAtODksMjMgKzkxLDE1IEBAIHN0YXRpYyB2b2lkIGRyYXdfY3Vyc29yKGNh aXJvX3QgKmNyLCBpbnQgeCwgaW50IHksIGludCBjdywgaW50IGNoLCBkb3VibGUgYSkKPj4+Pgo+ Pj4+ICAgc3RhdGljIHZvaWQgY3Vyc29yX2VuYWJsZShkYXRhX3QgKmRhdGEpCj4+Pj4gICB7Cj4+ Pj4gLSAgICAgICBpZ3Rfb3V0cHV0X3QgKm91dHB1dCA9IGRhdGEtPm91dHB1dDsKPj4+PiAtICAg ICAgIGlndF9wbGFuZV90ICpjdXJzb3IgPQo+Pj4+IC0gICAgICAgICAgICAgICBpZ3Rfb3V0cHV0 X2dldF9wbGFuZV90eXBlKG91dHB1dCwgRFJNX1BMQU5FX1RZUEVfQ1VSU09SKTsKPj4+PiAtCj4+ Pj4gLSAgICAgICBpZ3RfcGxhbmVfc2V0X2ZiKGN1cnNvciwgJmRhdGEtPmZiKTsKPj4+PiAtICAg ICAgIGlndF9wbGFuZV9zZXRfc2l6ZShjdXJzb3IsIGRhdGEtPmN1cncsIGRhdGEtPmN1cmgpOwo+ Pj4+IC0gICAgICAgaWd0X2ZiX3NldF9zaXplKCZkYXRhLT5mYiwgY3Vyc29yLCBkYXRhLT5jdXJ3 LCBkYXRhLT5jdXJoKTsKPj4+PiArICAgICAgIGlndF9wbGFuZV9zZXRfZmIoZGF0YS0+Y3Vyc29y LCAmZGF0YS0+ZmIpOwo+Pj4+ICsgICAgICAgaWd0X3BsYW5lX3NldF9zaXplKGRhdGEtPmN1cnNv ciwgZGF0YS0+Y3VydywgZGF0YS0+Y3VyaCk7Cj4+Pj4gKyAgICAgICBpZ3RfZmJfc2V0X3NpemUo JmRhdGEtPmZiLCBkYXRhLT5jdXJzb3IsIGRhdGEtPmN1cncsIGRhdGEtPmN1cmgpOwo+Pj4+ICAg fQo+Pj4+Cj4+Pj4gICBzdGF0aWMgdm9pZCBjdXJzb3JfZGlzYWJsZShkYXRhX3QgKmRhdGEpCj4+ Pj4gICB7Cj4+Pj4gLSAgICAgICBpZ3Rfb3V0cHV0X3QgKm91dHB1dCA9IGRhdGEtPm91dHB1dDsK Pj4+PiAtICAgICAgIGlndF9wbGFuZV90ICpjdXJzb3IgPQo+Pj4+IC0gICAgICAgICAgICAgICBp Z3Rfb3V0cHV0X2dldF9wbGFuZV90eXBlKG91dHB1dCwgRFJNX1BMQU5FX1RZUEVfQ1VSU09SKTsK Pj4+PiAtCj4+Pj4gLSAgICAgICBpZ3RfcGxhbmVfc2V0X2ZiKGN1cnNvciwgTlVMTCk7Cj4+Pj4g LSAgICAgICBpZ3RfcGxhbmVfc2V0X3Bvc2l0aW9uKGN1cnNvciwgMCwgMCk7Cj4+Pj4gKyAgICAg ICBpZ3RfcGxhbmVfc2V0X2ZiKGRhdGEtPmN1cnNvciwgTlVMTCk7Cj4+Pj4gKyAgICAgICBpZ3Rf cGxhbmVfc2V0X3Bvc2l0aW9uKGRhdGEtPmN1cnNvciwgMCwgMCk7Cj4+Pj4gICB9Cj4+Pj4KPj4+ PiAgIHN0YXRpYyBib29sIGNodl9jdXJzb3JfYnJva2VuKGRhdGFfdCAqZGF0YSwgaW50IHgpCj4+ Pj4gQEAgLTE0NCwzMCArMTM4LDQwIEBAIHN0YXRpYyBib29sIGN1cnNvcl92aXNpYmxlKGRhdGFf dCAqZGF0YSwgaW50IHgsIGludCB5KQo+Pj4+ICAgICAgICAgIHJldHVybiB0cnVlOwo+Pj4+ICAg fQo+Pj4+Cj4+Pj4gK3N0YXRpYyB2b2lkIHJlc3RvcmVfaW1hZ2UoZGF0YV90ICpkYXRhKQo+Pj4+ ICt7Cj4+Pj4gKyAgICAgICBjYWlyb190ICpjcjsKPj4+PiArCj4+Pj4gKyAgICAgICBjciA9IGln dF9nZXRfY2Fpcm9fY3R4KGRhdGEtPmRybV9mZCwgJmRhdGEtPnByaW1hcnlfZmIpOwo+Pj4+ICsg ICAgICAgY2Fpcm9fc2V0X29wZXJhdG9yKGNyLCBDQUlST19PUEVSQVRPUl9TT1VSQ0UpOwo+Pj4+ ICsgICAgICAgY2Fpcm9fc2V0X3NvdXJjZV9zdXJmYWNlKGNyLCBkYXRhLT5zdXJmYWNlLCAwLCAw KTsKPj4+PiArICAgICAgIGNhaXJvX3JlY3RhbmdsZShjciwgMCwgMCwgZGF0YS0+c2NyZWVudywg ZGF0YS0+c2NyZWVuaCk7Cj4+Pj4gKyAgICAgICBjYWlyb19maWxsKGNyKTsKPj4+PiArICAgICAg IGlndF9wdXRfY2Fpcm9fY3R4KGRhdGEtPmRybV9mZCwgJmRhdGEtPnByaW1hcnlfZmIsIGNyKTsK Pj4+PiArICAgICAgIGdlbV9zeW5jKGRhdGEtPmRybV9mZCwgZGF0YS0+cHJpbWFyeV9mYi5nZW1f aGFuZGxlKTsKPj4+Cj4+PiBUaGlzIGlzIGEgZ2VuZXJpYyBLTVMgdGVzdCwgZ2VtX3N5bmMoKSBp cyBub3Qgc3VwcG9ydGVkLgo+Pgo+PiBJZGVhIGhlcmUgd2FzIHRvIG1ha2UgY2VydGFpbiBtZW1v cnkgY29waWVkIHRvIEZCIGlzIHJlYWxseSB0aGVyZS4gSQo+PiBkaWQgYXNrIGZyb20gTWlrYSBm b3IgaWRlYXMgYW5kIGhlIHN1Z2dlc3RlZCBjaGFuZ2luZyBkb21haW4gdG8gY2F1c2UKPj4gc3lu Y2hyb25pemF0aW9uLCBpbiBpb2N0bF93cmFwcGVycy5jIGF0IGdlbV9zZXRfZG9tYWluKCkgY29t bWVudHMKPj4gc3VnZ2VzdGVkIHRvIHVzZSBnZW1fc3luYygpIGluc3RlYWQuCj4gCj4gVGhlbiB5 b3UgYXJlIHRyeWluZyB0byBwYXBlciBvdmVyIHJlYWwgYnVncy4gVXNlcnNwYWNlIGNhbGxzIGRp cnR5ZmIgdG8KPiBkZWNsYXJlIGl0IGhhcyB1cGRhdGVkIHRoZSBmYiwgdGhlIGtlcm5lbCB0aGVu IGhhcyB0byB0YWtlIGNhcmUgb2YKPiBtYWtpbmcgc3VyZSBpdCBpcyBjb2hlcmVudCBwcmlvciB0 byB0aGUgbmV4dCBmbGlwLCBvciB3b3JyeSBtb3JlIGlmIGl0Cj4gaXMgYWxyZWFkeSBvbiB0aGUg c2Nhbm91dC4KCkkgZGlkIHRhbGsgd2l0aCBWaWxsZSBhYm91dCB0aGlzIGFuZCBWaWxsZSBzYWlk IHRoZXJlJ3Mgbm8gZ3VhcmFudGVlIGluIApJR1QgZm9yIHRoaXMgc3luY2hyb25pemF0aW9uLiBJ IGRvIHNldCBGQiBhcyBkaXJ0eSBpbiBteSBjb2RlIGJlY2F1c2UgSSAKdXNlIG9ubHkgb25lIEZC LCBJIHNldCB0aGlzIGZvciBjYXNlIHdoZW4gRkJDIGlzIGluIHVzZS4gSSdtIG5vdCAKZmFtaWxp YXIgd2l0aCB3b3JraW5ncyBvZiBnZW0gaGVyZSBidXQgbG9va2luZyBhdCB0ZWFyaW5nIG9uIG15 IHNjcmVlbiBJIApnb3QgdGhlIGlkZWEgd2hlbiBpZ3RfcHV0X2NhaXJvX2N0eCgpIGZpbmlzaGVz IG1lbW9yeSBiZWluZyBjb3BpZWQgaXMgCm5vdCBuZWNlc3NhcmlseSB5ZXQgYWxsIGNvcGllZC4K Ci9KdWhhLVBla2thCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmlndC1kZXYgbWFpbGluZyBsaXN0CmlndC1kZXZAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaWd0LWRldg==