From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH 11/16] drm/i915: Remove (struct_mutex) locking for busy-ioctl Date: Fri, 05 Aug 2016 11:06:44 +0300 Message-ID: <1470384404.3634.31.camel@linux.intel.com> References: <1470075758-13871-1-git-send-email-chris@chris-wilson.co.uk> <1470075758-13871-12-git-send-email-chris@chris-wilson.co.uk> <1470380738.3634.24.camel@linux.intel.com> <20160805073443.GF12034@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 337736E0F1 for ; Fri, 5 Aug 2016 08:06:49 +0000 (UTC) In-Reply-To: <20160805073443.GF12034@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 Cc: intel-gfx@lists.freedesktop.org, Akash Goel List-Id: intel-gfx@lists.freedesktop.org T24gcGUsIDIwMTYtMDgtMDUgYXQgMDg6MzQgKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBP biBGcmksIEF1ZyAwNSwgMjAxNiBhdCAxMDowNTozOEFNICswMzAwLCBKb29uYXMgTGFodGluZW4g d3JvdGU6Cj4gPiAKPiA+IE9uIG1hLCAyMDE2LTA4LTAxIGF0IDE5OjIyICswMTAwLCBDaHJpcyBX aWxzb24gd3JvdGU6Cj4gPiA+IAo+ID4gPiBCeSBhcHBseWluZyB0aGUgc2FtZSBsb2dpYyBhcyBm b3Igd2FpdC1pb2N0bCwgd2UgY2FuIHF1ZXJ5IHdoZXRoZXIgYQo+ID4gPiByZXF1ZXN0IGhhcyBj b21wbGV0ZWQgd2l0aG91dCBob2xkaW5nIHN0cnVjdF9tdXRleC4gVGhlIGJpZ2dlc3QgaW1wYWN0 Cj4gPiA+IHN5c3RlbS13aWRlIGlzIHJlbW92aW5nIHRoZSBmbHVzaF9hY3RpdmUgYW5kIHRoZSBj b250ZW50aW9uIHRoYXQgY2F1c2VzLgo+ID4gPiAKPiA+ID4gVGVzdGNhc2U6IGlndC9nZW1fYnVz eQo+ID4gPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5j by51az4KPiA+ID4gQ2M6IEFrYXNoIEdvZWwgPGFrYXNoLmdvZWxAaW50ZWwuY29tPgo+ID4gPiAt LS0KPiA+ID4gwqBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgMTEwICsrKysrKysr KysrKysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0KPiA+ID4gwqAxIGZpbGUgY2hhbmdlZCwg ODAgaW5zZXJ0aW9ucygrKSwgMzAgZGVsZXRpb25zKC0pCj4gPiA+IAo+ID4gPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZ2VtLmMKPiA+ID4gaW5kZXggNDMwNjliMDViZGQyLi5mMmY3MGY1ZmY5ZjQgMTAwNjQ0 Cj4gPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiA+ID4gKysrIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+ID4gPiBAQCAtMzcyMSw0OSArMzcyMSw5 OSBAQCBpOTE1X2dlbV9vYmplY3RfZ2d0dF91bnBpbl92aWV3KHN0cnVjdCBkcm1faTkxNV9nZW1f b2JqZWN0ICpvYmosCj4gPiA+IMKgCWk5MTVfdm1hX3VucGluKGk5MTVfZ2VtX29ial90b19nZ3R0 X3ZpZXcob2JqLCB2aWV3KSk7Cj4gPiA+IMKgfQo+ID4gPiDCoAo+ID4gPiArc3RhdGljIF9fYWx3 YXlzX2lubGluZSB1bnNpZ25lZAo+ID4gPiArX19idXN5X3JlYWRfZmxhZyhjb25zdCBzdHJ1Y3Qg ZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcXVlc3QpCj4gPiA+ICt7Cj4gPiA+ICsJcmV0dXJuIDB4 MTAwMDAgPDwgcmVxdWVzdC0+ZW5naW5lLT5leGVjX2lkOwo+ID4gPiArfQo+ID4gPiArCj4gPiA+ ICtzdGF0aWMgX19hbHdheXNfaW5saW5lIHVuc2lnbmVkIGludAo+ID4gPiArX19idXN5X3dyaXRl X2ZsYWcoY29uc3Qgc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpyZXF1ZXN0KQo+ID4gPiAr ewo+ID4gPiArCXJldHVybiByZXF1ZXN0LT5lbmdpbmUtPmV4ZWNfaWQ7Cj4gPiBKdXN0IHJlYWxp emVkICh0byBteSBob3Jyb3IpIHRoaXMgaXMgbm90IGEgZmxhZywgaXQncyBhIGJhcmUgSUQsIHNv Cj4gPiBiZXR0ZXIgbm90IGNhbGwgdGhlIGZ1bmN0aW9uIF9mbGFnLCBidXQgcmF0aGVyIF9pZD8K PiBCYWguCj4gCj4gX19idXN5X3dyaXRlX2lkCj4gX19idXN5X3JlYWRfZmxhZwo+IF9fYnVzeV9z ZXRfaWZfYWN0aXZlCj4gCj4gYnVzeV9zZXRfYWN0aXZlX3dyaXRlX2lkKCkgeyBfX2J1c3lfc2V0 X2lmX2FjdGl2ZShwdHIsIF9fYnVzeV93cml0ZV9pZH07ICkKPiBidXN5X3NldF9hY3RpdmVfcmVh ZF9mbGFnKCkgeyBfX2J1c3lfc2V0X2lmX2FjdGl2ZShwdHIsIF9fYnVzeV9yZWFkX2ZsYWcpOyB9 Cj4gCgpUaGlzIHdvdWxkIGJlIE9LLAoKUmV2aWV3ZWQtYnk6IEpvb25hcyBMYWh0aW5lbiA8am9v bmFzLmxhaHRpbmVuQGxpbnV4LmludGVsLmNvbT4KCj4gPiAKPiA+ID4gCj4gPiA+ICsJCcKgKiBi dXQgYmVmb3JlIHdlIGFkZCBpdHMgZW5naW5lIGludG8gdGhlIGJ1c3kgc2V0LCB0aGUgb3RoZXIK PiA+ID4gKwkJwqAqIHRocmVhZCByZWFsbG9jYXRlcyBpdCBhbmQgYXNzaWducyBpdCB0byBhIHRh c2sgb24gYW5vdGhlcgo+ID4gPiArCQnCoCogZW5naW5lIHdpdGggYSBmcmVzaCBhbmQgaW5jb21w bGV0ZSBzZXFuby4KPiA+ID4gKwkJwqAqCj4gPiA+ICsJCcKgKiBTbyBhZnRlciB3ZSBsb29rdXAg dGhlIGVuZ2luZSdzIGlkLCB3ZSBkb3VibGUgY2hlY2sgdGhhdAo+ID4gPiArCQnCoCogdGhlIGFj dGl2ZSByZXF1ZXN0IGlzIHRoZSBzYW1lIGFuZCBvbmx5IHRoZW4gZG8gd2UgYWRkIGl0Cj4gPiA+ ICsJCcKgKiBpbnRvIHRoZSBidXN5IHNldC4KPiA+ID4gKwkJwqAqLwo+ID4gPiArCQlyY3VfcmVh ZF9sb2NrKCk7Cj4gPiA+ICsKPiA+ID4gKwkJZm9yX2VhY2hfYWN0aXZlKGFjdGl2ZSwgaWR4KQo+ ID4gPiArCQkJYXJncy0+YnVzeSB8PSBidXN5X3JlYWRfZmxhZygmb2JqLT5sYXN0X3JlYWRbaWR4 XSk7Cj4gPiBTbyB5b3UgbWVhbiB0aGlzIGlzIGRvdWJsZSBjaGVjayBhZ2FpbnN0wqBfX0k5MTVf Qk9fQUNUSVZFLCByaWdodD8KPiBZZXMuIFRoZSBBQkkgZ3VhcmFudGVlcyBmb3J3YXJkIHByb2dy ZXNzIGJ1dCBfX0k5MTVfQk9fQUNUSVZFIGl0c2VsZgo+IGRvZXMgbm90LCBzbyB3ZSBjb25maXJt IGVhY2ggb2YgdGhlIGFjdGl2ZSByZXF1ZXN0cyB3aXRoIHRoZSBoYXJkd2FyZS4KPiAKPiBXaWxs IGFkZC4KPiAtQ2hyaXMKPiAKLS0gCkpvb25hcyBMYWh0aW5lbgpPcGVuIFNvdXJjZSBUZWNobm9s b2d5IENlbnRlcgpJbnRlbCBDb3Jwb3JhdGlvbgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK