From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH 10/16] drm/i915: Remove (struct_mutex) locking for wait-ioctl Date: Thu, 04 Aug 2016 11:26:04 +0300 Message-ID: <1470299164.3633.20.camel@linux.intel.com> References: <1470075758-13871-1-git-send-email-chris@chris-wilson.co.uk> <1470075758-13871-11-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 73AC66E76D for ; Thu, 4 Aug 2016 08:26:06 +0000 (UTC) In-Reply-To: <1470075758-13871-11-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gbWEsIDIwMTYtMDgtMDEgYXQgMTk6MjIgKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBX aXRoIGEgYml0IG9mIGNhcmUgKGFuZCBsZW5pZW5jeSkgd2UgY2FuIGl0ZXJhdGUgb3ZlciB0aGUg b2JqZWN0IGFuZAo+IHdhaXQgZm9yIHByZXZpb3VzIHJlbmRlcmluZyB0byBjb21wbGV0ZSB3aXRo IGp1ZGljaWFsIHVzZSBvZiBhdG9taWMKPiByZWZlcmVuY2UgY291bnRpbmcuIFRoZSBBQkkgcmVx dWlyZXMgdXMgdG8gZW5zdXJlIHRoYXQgYW4gYWN0aXZlIG9iamVjdAo+IGlzIGV2ZW50dWFsbHkg Zmx1c2hlZCAobGlrZSB0aGUgYnVzeS1pb2N0bCkgd2hpY2ggaXMgZ3VhcmFudGVlZCBieSBvdXIK PiBtYW5hZ2VtZW50IG9mIHJlcXVlc3RzIChpLmUuIGV2ZXJ5dGhpbmcgdGhhdCBpcyBzdWJtaXR0 ZWQgdG8gaGFyZHdhcmUgaXMKPiBmbHVzaGVkIGluIHRoZSBzYW1lIHJlcXVlc3QpLiBBbGwgd2Ug aGF2ZSB0byBkbyBpcyBlbnN1cmUgdGhhdCB3ZSBjYW4KPiBkZXRlY3Qgd2hlbiB0aGUgcmVxdWVz dHMgYXJlIGNvbXBsZXRlIGZvciByZXBvcnRpbmcgd2hlbiB0aGUgb2JqZWN0IGlzCj4gaWRsZSAo d2l0aG91dCB0cmlnZ2VyaW5nIEVUSU1FKSAtIHRoaXMgaXMgaGFuZGxlZCBieQo+IF9faTkxNV93 YWl0X3JlcXVlc3QuCj4gCj4gVGhlIGJpZ2dlc3QgZGFuZ2VyIGluIHRoZSBjb2RlIGlzIHdhbGtp bmcgdGhlIG9iamVjdCB3aXRob3V0IGhvbGRpbmcgYW55Cj4gbG9ja3MuIFdlIGl0ZXJhdGUgb3Zl ciB0aGUgc2V0IG9mIGxhc3QgcmVxdWVzdHMgYW5kIGNhcmVmdWxseSBncmFiIGEKPiByZWZlcmVu Y2UgdXBvbiBpdC4gKElmIGl0IGlzIGNoYW5naW5nIGJlbmVhdGggdXMsIHRoYXQgaXMgdGhlIHVz dWFsCj4gdXNlcnNwYWNlIHJhY2UgYW5kIGV2ZW4gd2l0aCBsb2NraW5nIHlvdSBnZXQgdGhlIHNh bWUgaW5kZXRlcm1pbmF0ZQo+IHJlc3VsdHMuKSBJZiB0aGUgcmVxdWVzdCBpcyB1bnJlZmVyZW5j ZWQgYmVuZWF0aCB1cywgaXQgd2lsbCBiZSBkaXNwb3NlZAo+IG9mIGludG8gdGhlIHJlcXVlc3Qg Y2FjaGUgLSBzbyB3ZSBoYXZlIHRvIGNhcmVmdWxseSBvcmRlciB0aGUgcmV0cmlldmFsCj4gb2Yg dGhlIHJlcXVlc3QgcG9pbnRlciB3aXRoIGl0cyByZW1vdmFsLCBhbmQgdG8gZG8gdGhpcyB3ZSBl bXBsb3kgUkNVIG9uCj4gdGhlIHJlcXVlc3QgY2FjaGUgYW5kIHVwb24gdGhlIGxhc3RfcmVxdWVz dCBwb2ludGVyIHRyYWNraW5nLgo+IAo+IFRoZSBpbXBhY3Qgb2YgdGhpcyBpcyBhY3R1YWxseSBx dWl0ZSBzbWFsbCAtIHRoZSByZXR1cm4gdG8gdXNlcnNwYWNlCj4gZm9sbG93aW5nIHRoZSB3YWl0 IHdhcyBhbHJlYWR5IGxvY2tsZXNzLiBXaGF0IHdlIGFjaGlldmUgaGVyZSBpcwo+IGNvbXBsZXRp bmcgYW4gYWxyZWFkeSBmaW5pc2hlZCB3YWl0IHdpdGhvdXQgaGl0dGluZyB0aGUgc3RydWN0X211 dGV4LAo+IG91ciBob2xkIGlzIHF1aXRlIHNob3J0IGFuZCBzbyB3ZSBhcmUgdHlwaWNhbGx5IGp1 c3QgYSB2aWN0aW0gb2YKPiBjb250ZW50aW9uIHJhdGhlciB0aGFuIGEgY2F1c2UuCj4gCgpUaGUg Y29tbWl0IG1lc3NhZ2Ugc2VlbXMgbGl0dGxlIGJpdCBkaXNjb25uZWN0IHdpdGggdGhlIGNvZGUs IG1ha2luZwp0aGUgcGF0Y2ggc291bmQgbXVjaCBtb3JlIGNvbXBsZXggdGhhbiBpdCBpcy4gSXMg aXQgdXAgdG8gZGF0ZT8gT3IKbWF5YmUgcGFydHMgb2YgdGhpcyBleHBsYW5hdGlvbiB3b3VsZCBi ZWxvbmcgdG8gYW4gZWFybGllciBwYXRjaD8KCj4gKwlhY3RpdmUgPSBfX0k5MTVfQk9fQUNUSVZF KG9iaik7Cj4gKwlmb3JfZWFjaF9hY3RpdmUoYWN0aXZlLCBpZHgpIHsKPiArCQlyZXQgPSBpOTE1 X2dlbV9hY3RpdmVfd2FpdF91bmxvY2tlZCgmb2JqLT5sYXN0X3JlYWRbaWR4XSwgdHJ1ZSwKPiAr CQkJCQkJwqDCoMKgwqBhcmdzLT50aW1lb3V0X25zID49IDAgPyAmYXJncy0+dGltZW91dF9ucyA6 IE5VTEwsCj4gKwkJCQkJCcKgwqDCoMKgdG9fcnBzX2NsaWVudChmaWxlKSk7CgpMb25nIGxpbmUu CgpUaGlzIGFuZCBleHBsYW5hdGlvbiB0b3VjaGVkIHVwLAoKUmV2aWV3ZWQtYnk6IEpvb25hcyBM YWh0aW5lbiA8am9vbmFzLmxhaHRpbmVuQGxpbnV4LmludGVsLmNvbT4KClJlZ2FyZHMsIEpvb25h cwotLSAKSm9vbmFzIExhaHRpbmVuCk9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCkludGVs IENvcnBvcmF0aW9uCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=