From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: Patch for drm-next WAS Re: [PATCH] kref: prefer atomic_inc_not_zero to atomic_add_unless Date: Tue, 12 Jul 2016 14:28:17 +0200 Message-ID: <20160712122817.GT23520@phenom.ffwll.local> References: <1444474594-28359-1-git-send-email-Jason@zx2c4.com> <561ABFA6.8050102@vmware.com> <842a1a37-7c57-ed57-7a80-97fb8a3c3f88@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x244.google.com (mail-wm0-x244.google.com [IPv6:2a00:1450:400c:c09::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 299716E53C for ; Tue, 12 Jul 2016 12:28:22 +0000 (UTC) Received: by mail-wm0-x244.google.com with SMTP id i5so1873508wmg.2 for ; Tue, 12 Jul 2016 05:28:22 -0700 (PDT) Content-Disposition: inline In-Reply-To: <842a1a37-7c57-ed57-7a80-97fb8a3c3f88@vmware.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thomas Hellstrom Cc: Dave Airlie , "Jason A. Donenfeld" , Paul McKenney , LKML , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCBKdWwgMDEsIDIwMTYgYXQgMDk6MDg6MzRBTSArMDIwMCwgVGhvbWFzIEhlbGxzdHJv bSB3cm90ZToKPiBEYXZlLAo+IAo+IFNpbmNlIGtyZWZfZ2V0X3VubGVzc196ZXJvKCkgd2FzIGJy b3VnaHQgaW4gYnkgZHJtLCBjb3VsZCB3ZSBhZGQgdGhpcyB0bwo+IGRybS1uZXh0PwoKU3VyZSBj YW4gZG8sIGJ1dCBJIGNhbid0IGZpbmQgdGhlIHJhdyBwYXRjaCBhbnl3aGVyZSAoSSBzdWNrLCBJ IGtub3cpLgpDYXJlIHRvIHJlc2VuZD8KClRoYW5rcywgRGFuaWVsCgo+IAo+IFRoYW5rcywKPiBU aG9tYXMKPiAKPiAKPiBPbiAwNi8zMC8yMDE2IDEyOjUyIEFNLCBKYXNvbiBBLiBEb25lbmZlbGQg d3JvdGU6Cj4gPiBUaGlzIHdhcyBwb3NpdGl2ZWx5IHJldmlld2VkIGJ5IG1haW50YWluZXJzIGJ1 dCBuZXZlciBwaWNrZWQgdXAuIENhbgo+ID4gc29tZW9uZSBxdWV1ZSB0aGlzIGZvciA0Ljcgb3Ig NC44Pwo+ID4KPiA+IFRoYW5rcywKPiA+IEphc29uCj4gPgo+ID4gT24gTW9uLCBGZWIgMSwgMjAx NiBhdCAxMDo1MyBQTSwgSmFzb24gQS4gRG9uZW5mZWxkIDxKYXNvbkB6eDJjNC5jb20+IHdyb3Rl Ogo+ID4+IFRoaXMgd2FzIHBvc2l0aXZlbHkgcmV2aWV3ZWQgYnV0IG5ldmVyIHBpY2tlZCB1cC4g Q2FuIHNvbWVvbmUgcXVldWUKPiA+PiB0aGlzIGZvciByYzM/Cj4gPj4KPiA+PiBUaGFua3MsCj4g Pj4gSmFzb24KPiA+Pgo+ID4+IE9uIFN1biwgT2N0IDExLCAyMDE1IGF0IDk6NTkgUE0sIFRob21h cyBIZWxsc3Ryb20gPHRoZWxsc3Ryb21Adm13YXJlLmNvbT4gd3JvdGU6Cj4gPj4+IFJldmlld2Vk LWJ5OiBUaG9tYXMgSGVsbHN0cm9tIDx0aGVsbHN0cm9tQHZtd2FyZS5jb20+Cj4gPj4+Cj4gPj4+ Cj4gPj4+IE9uIDEwLzEwLzIwMTUgMTI6NTYgUE0sIEphc29uIEEuIERvbmVuZmVsZCB3cm90ZToK PiA+Pj4+IE9uIG1vc3QgcGxhdGZvcm1zLCB0aGVyZSBleGlzdHMgdGhpcyBpZmRlZjoKPiA+Pj4+ Cj4gPj4+PiAgI2RlZmluZSBhdG9taWNfaW5jX25vdF96ZXJvKHYpIGF0b21pY19hZGRfdW5sZXNz KCh2KSwgMSwgMCkKPiA+Pj4+Cj4gPj4+PiBUaGlzIG1ha2VzIHRoaXMgcGF0Y2ggZnVuY3Rpb25h bGx5IHVzZWxlc3MuIEhvd2V2ZXIsIG9uIFBQQywgdGhlcmUgaXMKPiA+Pj4+IGFjdHVhbGx5IGFu IGV4cGxpY2l0IGRlZmluaXRpb24gb2YgYXRvbWljX2luY19ub3RfemVybyB3aXRoIGl0cyBvd24K PiA+Pj4+IGFzc2VtYmx5IHRoYXQgaXMgc2xpZ2h0bHkgbW9yZSBvcHRpbWl6ZWQgdGhhbiBhdG9t aWNfYWRkX3VubGVzcy4gU28sCj4gPj4+PiB0aGlzIHBhdGNoIGNoYW5nZXMga3JlZiB0byB1c2Ug YXRvbWljX2luY19ub3RfemVybyBpbnN0ZWFkLCBmb3IgUFBDIGFuZAo+ID4+Pj4gYW55IGZ1dHVy ZSBwbGF0Zm9ybXMgdGhhdCBtaWdodCBwcm92aWRlIGFuIGV4cGxpY2l0IGltcGxlbWVudGF0aW9u Lgo+ID4+Pj4KPiA+Pj4+IFRoaXMgYWxzbyBwdXRzIHRoaXMgdXNhZ2Ugb2Yga3JlZiBtb3JlIGlu IGxpbmUgd2l0aCBhIHZlcmJhdGltIHJlYWRpbmcKPiA+Pj4+IG9mIHRoZSBleGFtcGxlcyBpbiBQ YXVsIE1jS2VubmV5J3MgcGFwZXIgWzFdIGluIHRoZSBzZWN0aW9uIHRpdGxlZCAiMi40Cj4gPj4+ PiBBdG9taWMgQ291bnRpbmcgV2l0aCBDaGVjayBhbmQgUmVsZWFzZSBNZW1vcnkgQmFycmllciIs IHdoaWNoIHVzZXMKPiA+Pj4+IGF0b21pY19pbmNfbm90X3plcm8uCj4gPj4+Pgo+ID4+Pj4gWzFd IGh0dHBzOi8vdXJsZGVmZW5zZS5wcm9vZnBvaW50LmNvbS92Mi91cmw/dT1odHRwLTNBX19vcGVu LTJEc3RkLm9yZ19qdGMxX3NjMjJfd2cyMV9kb2NzX3BhcGVyc18yMDA3X24yMTY3LnBkZiZkPUJR SUJBZyZjPVNxY2wwRXo2TTBYOGFlTTY3TEtJaURKQVhWZUF3LVlpaFZNTnRYdC11RXMmcj12cHVr UGtCdHBvTlFwMklVS3VGdmlPbVBOWVdWS21lbjNKZWV1NTV6bUVBJm09ejVOZDlzWWlKTUtpcGhO anlacDZYVDVDYmF5WE1CbGNiOTAzZjI2MHBEWSZzPUhFSFgzQ3VYUnMyR1JSUVd1QzRWZWY2aUpN d2RpbEtWUmtpWmdKcGpFcEEmZT0KPiA+Pj4+Cj4gPj4+PiBTaWduZWQtb2ZmLWJ5OiBKYXNvbiBB LiBEb25lbmZlbGQgPEphc29uQHp4MmM0LmNvbT4KPiA+Pj4+IC0tLQo+ID4+Pj4gIGluY2x1ZGUv bGludXgva3JlZi5oIHwgMiArLQo+ID4+Pj4gIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigr KSwgMSBkZWxldGlvbigtKQo+ID4+Pj4KPiA+Pj4+IGRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4 L2tyZWYuaCBiL2luY2x1ZGUvbGludXgva3JlZi5oCj4gPj4+PiBpbmRleCA0ODQ2MDRkLi44M2Qx Zjk0IDEwMDY0NAo+ID4+Pj4gLS0tIGEvaW5jbHVkZS9saW51eC9rcmVmLmgKPiA+Pj4+ICsrKyBi L2luY2x1ZGUvbGludXgva3JlZi5oCj4gPj4+PiBAQCAtMTY2LDYgKzE2Niw2IEBAIHN0YXRpYyBp bmxpbmUgaW50IGtyZWZfcHV0X211dGV4KHN0cnVjdCBrcmVmICprcmVmLAo+ID4+Pj4gICAqLwo+ ID4+Pj4gIHN0YXRpYyBpbmxpbmUgaW50IF9fbXVzdF9jaGVjayBrcmVmX2dldF91bmxlc3NfemVy byhzdHJ1Y3Qga3JlZiAqa3JlZikKPiA+Pj4+ICB7Cj4gPj4+PiAtICAgICByZXR1cm4gYXRvbWlj X2FkZF91bmxlc3MoJmtyZWYtPnJlZmNvdW50LCAxLCAwKTsKPiA+Pj4+ICsgICAgIHJldHVybiBh dG9taWNfaW5jX25vdF96ZXJvKCZrcmVmLT5yZWZjb3VudCk7Cj4gPj4+PiAgfQo+ID4+Pj4gICNl bmRpZiAvKiBfS1JFRl9IXyAqLwo+IAo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCj4gZHJpLWRldmVsIG1haWxpbmcgbGlzdAo+IGRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2RyaS1kZXZlbAoKLS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUgRW5naW5l ZXIsIEludGVsIENvcnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QK ZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=