From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Subject: Re: [PATCH 1/2] Revert "drm/fb-helper: Reduce READ_ONCE(master) to lockless_dereference" Date: Fri, 12 Aug 2016 12:15:11 -0700 Message-ID: <20160812191511.GY3482@linux.vnet.ibm.com> References: <1470909022-687-1-git-send-email-johannes@sipsolutions.net> <20160811103859.GL6232@phenom.ffwll.local> <20160811182647.GD3482@linux.vnet.ibm.com> <20160812182543.GZ30192@twins.programming.kicks-ass.net> Reply-To: paulmck@linux.vnet.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by gabe.freedesktop.org (Postfix) with ESMTPS id 54BF26E1D1 for ; Fri, 12 Aug 2016 19:15:14 +0000 (UTC) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u7CJEZOE109109 for ; Fri, 12 Aug 2016 15:15:13 -0400 Received: from e37.co.us.ibm.com (e37.co.us.ibm.com [32.97.110.158]) by mx0b-001b2d01.pphosted.com with ESMTP id 24ryutavst-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 12 Aug 2016 15:15:13 -0400 Received: from localhost by e37.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 12 Aug 2016 13:15:12 -0600 Content-Disposition: inline In-Reply-To: <20160812182543.GZ30192@twins.programming.kicks-ass.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Peter Zijlstra Cc: Johannes Berg , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Johannes Berg , Ingo Molnar List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBBdWcgMTIsIDIwMTYgYXQgMDg6MjU6NDNQTSArMDIwMCwgUGV0ZXIgWmlqbHN0cmEg d3JvdGU6Cj4gT24gVGh1LCBBdWcgMTEsIDIwMTYgYXQgMTE6MjY6NDdBTSAtMDcwMCwgUGF1bCBF LiBNY0tlbm5leSB3cm90ZToKPiA+IElmIG15IHVwY29taW5nIHRlc3Rpbmcgb2YgdGhlIHR3byBj aGFuZ2VzIHRvZ2V0aGVyIHBhbnMgb3V0LCBJIHdpbGwKPiA+IGdpdmUgeW91IGEgVGVzdGVkLWJ5 IC0tIEkgYW0gZ3Vlc3NpbmcgdGhhdCB5b3UgZG9uJ3Qgd2FudCB0byB3YWl0Cj4gPiB1bnRpbCB0 aGUgbmV4dCBtZXJnZSB3aW5kb3cgZm9yIHRoZXNlIGNoYW5nZXMuCj4gCj4gSSB3YXMgcGxhbm5p bmcgdG8gc3R1ZmYgdGhlbSBpbiB0aXAvbG9ja2luZy91cmdlbnQsIHNvIHRoZXknZCBlbmQgdXAg aW4KPiB0aGlzIHJlbGVhc2UuCgpUaGV5IHNlZW0gdG8gd29yayBmaW5lIGZvciBtZSwgc28gZm9y IGJvdGg6CgpUZXN0ZWQtYnk6IFBhdWwgRS4gTWNLZW5uZXkgPHBhdWxtY2tAbGludXgudm5ldC5p Ym0uY29tPgoKCQkJCQkJCVRoYW54LCBQYXVsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK