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: 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: dri-devel@lists.freedesktop.org T24gRnJpLCBBdWcgMTIsIDIwMTYgYXQgMDg6MjU6NDNQTSArMDIwMCwgUGV0ZXIgWmlqbHN0cmEg d3JvdGU6Cj4gT24gVGh1LCBBdWcgMTEsIDIwMTYgYXQgMTE6MjY6NDdBTSAtMDcwMCwgUGF1bCBF LiBNY0tlbm5leSB3cm90ZToKPiA+IElmIG15IHVwY29taW5nIHRlc3Rpbmcgb2YgdGhlIHR3byBj aGFuZ2VzIHRvZ2V0aGVyIHBhbnMgb3V0LCBJIHdpbGwKPiA+IGdpdmUgeW91IGEgVGVzdGVkLWJ5 IC0tIEkgYW0gZ3Vlc3NpbmcgdGhhdCB5b3UgZG9uJ3Qgd2FudCB0byB3YWl0Cj4gPiB1bnRpbCB0 aGUgbmV4dCBtZXJnZSB3aW5kb3cgZm9yIHRoZXNlIGNoYW5nZXMuCj4gCj4gSSB3YXMgcGxhbm5p bmcgdG8gc3R1ZmYgdGhlbSBpbiB0aXAvbG9ja2luZy91cmdlbnQsIHNvIHRoZXknZCBlbmQgdXAg aW4KPiB0aGlzIHJlbGVhc2UuCgpUaGV5IHNlZW0gdG8gd29yayBmaW5lIGZvciBtZSwgc28gZm9y IGJvdGg6CgpUZXN0ZWQtYnk6IFBhdWwgRS4gTWNLZW5uZXkgPHBhdWxtY2tAbGludXgudm5ldC5p Ym0uY29tPgoKCQkJCQkJCVRoYW54LCBQYXVsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752695AbcHLTPQ (ORCPT ); Fri, 12 Aug 2016 15:15:16 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:60842 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752365AbcHLTPO (ORCPT ); Fri, 12 Aug 2016 15:15:14 -0400 X-IBM-Helo: d03dlp01.boulder.ibm.com X-IBM-MailFrom: paulmck@linux.vnet.ibm.com Date: Fri, 12 Aug 2016 12:15:11 -0700 From: "Paul E. McKenney" To: Peter Zijlstra Cc: Johannes Berg , linux-kernel@vger.kernel.org, Johannes Berg , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Ingo Molnar Subject: Re: [PATCH 1/2] Revert "drm/fb-helper: Reduce READ_ONCE(master) to lockless_dereference" Reply-To: paulmck@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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160812182543.GZ30192@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16081219-0024-0000-0000-000014517C5B X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00005583; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000181; SDB=6.00743781; UDB=6.00350282; IPR=6.00516318; BA=6.00004660; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00012330; XFM=3.00000011; UTC=2016-08-12 19:15:11 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16081219-0025-0000-0000-000043827D70 Message-Id: <20160812191511.GY3482@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-08-12_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1608120208 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 12, 2016 at 08:25:43PM +0200, Peter Zijlstra wrote: > On Thu, Aug 11, 2016 at 11:26:47AM -0700, Paul E. McKenney wrote: > > If my upcoming testing of the two changes together pans out, I will > > give you a Tested-by -- I am guessing that you don't want to wait > > until the next merge window for these changes. > > I was planning to stuff them in tip/locking/urgent, so they'd end up in > this release. They seem to work fine for me, so for both: Tested-by: Paul E. McKenney Thanx, Paul