From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: Re: [PATCH] drm/vc4: Fix false positive WARN() backtrace on refcount_inc() usage Date: Wed, 22 Nov 2017 22:28:50 +0100 Message-ID: <20171122222850.075db871@bbrezillon> References: <20171122203928.28135-1-boris.brezillon@free-electrons.com> <8760a2ko9z.fsf@anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.free-electrons.com (mail.free-electrons.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id B5A2589B03 for ; Wed, 22 Nov 2017 21:29:02 +0000 (UTC) In-Reply-To: <8760a2ko9z.fsf@anholt.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Eric Anholt Cc: David Airlie , Stefan Wahren , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCAyMiBOb3YgMjAxNyAxMzoxNjowOCAtMDgwMApFcmljIEFuaG9sdCA8ZXJpY0Bhbmhv bHQubmV0PiB3cm90ZToKCj4gQm9yaXMgQnJlemlsbG9uIDxib3Jpcy5icmV6aWxsb25AZnJlZS1l bGVjdHJvbnMuY29tPiB3cml0ZXM6Cj4gCj4gPiBXaXRoIENPTkZJR19SRUZDT1VOVF9GVUxMIGVu YWJsZWQsIHJlZmNvdW50X2luYygpIGNvbXBsYWlucyB3aGVuIGl0J3MKPiA+IHBhc3NlZCBhIHJl ZmNvdW50IG9iamVjdCB0aGF0IGhhcyBpdHMgY291bnRlciBzZXQgdG8gMC4gSW4gdGhpcyBkcml2 ZXIsCj4gPiB0aGlzIGlzIGEgdmFsaWQgdXNlIGNhc2Ugc2luY2Ugd2Ugd2FudCB0byBpbmNyZW1l bnQgLT51c2VjbnQgb25seSB3aGVuCj4gPiB0aGUgQk8gb2JqZWN0IHN0YXJ0cyB0byBiZSB1c2Vk IGJ5IHJlYWwgSFcgY29tcG9uZW50cyBhbmQgdGhpcyBpcwo+ID4gZGVmaW5pdGVseSBub3QgdGhl IGNhc2Ugd2hlbiB0aGUgQk8gaXMgY3JlYXRlZC4KPiA+Cj4gPiBGaXggdGhlIHByb2JsZW0gYnkg dXNpbmcgcmVmY291bnRfaW5jX25vdF96ZXJvKCkgaW5zdGVhZCBvZgo+ID4gcmVmY291bnRfaW5j KCkgYW5kIGZhbGxiYWNrIHRvIHJlZmNvdW50X3NldCgxKSB3aGVuCj4gPiByZWZjb3VudF9pbmNf bm90X3plcm8oKSByZXR1cm5zIGZhbHNlLiBOb3RlIHRoYXQgdGhpcyAyLXN0ZXBzIG9wZXJhdGlv bgo+ID4gaXMgbm90IHJhY3kgaGVyZSBiZWNhdXNlIHRoZSB3aG9sZSBzZWN0aW9uIGlzIHByb3Rl Y3RlZCBieSBhIG11dGV4Cj4gPiB3aGljaCBndWFyYW50ZWVzIHRoYXQgdGhlIGNvdW50ZXIgZG9l cyBub3QgY2hhbmdlIGJldHdlZW4gdGhlCj4gPiByZWZjb3VudF9pbmNfbm90X3plcm8oKSBhbmQg cmVmY291bnRfc2V0KCkgY2FsbHMuICAKPiAKPiBJZiB3ZSdyZSBub3QgZm9sbG93aW5nIHRoZSBt b2RlbCwgYW5kIHByb3RlY3RpbmcgdGhlIHJlZmNvdW50IGJ5IGEKPiBtdXRleCwgc2hvdWxkbid0 IHdlIGp1c3QgYmUgdXNpbmcgYWRkaXRpb24gYW5kIHN1YnRyYWN0aW9uIGluc3RlYWQgb2YKPiBy ZWZjb3VudCdzIGF0b21pY3M/CgpBY3R1YWxseSwgdGhpcyBtdXRleCBpcyBwcm90ZWN0aW5nIHRo ZSBiby0+bWFkdiB2YWx1ZSB3aGljaCBoYXMgdG8gYmUKY2hlY2tlZCB3aGVuIHRoZSBjb3VudGVy IHJlYWNoZXMgMCAod2hlbiBkZWNyZW1lbnRpbmcpIG9yIDEgKHdoZW4KaW5jcmVtZW50aW5nKS4g V2UganVzdCBiZW5lZml0IGZyb20gdGhpcyBwcm90ZWN0aW9uIGhlcmUsIGJ1dCBpZGVhbGx5Cml0 IHdvdWxkIGJlIGJldHRlciB0byBoYXZlIGFuIHJlZmNvdW50X2luY19hbGxvd196ZXJvKCkgYXMg c3VnZ2VzdGVkIGJ5CkRhbmllbC4KCkFueXdheSwgSSBjYW4gYWxzbyB1c2UgYSByZWd1bGFyIGNv dW50ZXIgYW5kIHByb3RlY3QgaXQgd2l0aCB0aGUgbWFkdgptdXRleCwgaXQncyBqdXN0IHRoYXQg SSB0aG91Z2h0IHVzaW5nIHRoZSBleGlzdGluZyByZWZjb3VudAppbmZyYXN0cnVjdHVyZSB3b3Vs ZCBiZSBzYWZlciB0aGFuIG9wZW4tY29kaW5nIGl0IChhY3R1YWxseSwgSSBmb3VuZApzZXZlcmFs IHVuYmFsYW5jZWQgcmVmY291bnRpbmcgaXNzdWVzIHRoYW5rcyB0byB0aGlzIEFQSSB3aGlsZQpk ZXZlbG9waW5nIHRoZSBmZWF0dXJlKS4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vZHJpLWRldmVsCg==