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Fri, 19 Jan 2018 02:53:07 -0500 Date: Fri, 19 Jan 2018 08:53:04 +0100 From: Greg Kroah-Hartman To: Ben Hutchings Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Daniel Bristot de Oliveira , "Peter Zijlstra (Intel)" , Juri Lelli , Linus Torvalds , Luca Abeni , Mike Galbraith , Romulo Silva de Oliveira , Steven Rostedt , Thomas Gleixner , Tommaso Cucinotta , Ingo Molnar , Sasha Levin Subject: Re: [PATCH 4.4 045/115] sched/deadline: Throttle a constrained deadline task activated after the deadline Message-ID: <20180119075304.GE25687@kroah.com> References: <20171218152851.886086917@linuxfoundation.org> <20171218152855.351654393@linuxfoundation.org> <1516323645.3417.5.camel@codethink.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1516323645.3417.5.camel@codethink.co.uk> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Fri, Jan 19, 2018 at 01:00:45AM +0000, Ben Hutchings wrote: > On Mon, 2017-12-18 at 16:48 +0100, Greg Kroah-Hartman wrote: > > 4.4-stable review patch.  If anyone has any objections, please let me > > know. > > > > ------------------ > > > > From: Daniel Bristot de Oliveira > > > > > > [ Upstream commit df8eac8cafce7d086be3bd5cf5a838fa37594dfb ] > [...] > > I think this needs another fix on top: > > commit ae83b56a56f8d9643dedbee86b457fa1c5d42f59 > Author: Xunlei Pang > Date:   Wed May 10 21:03:37 2017 +0800 > >     sched/deadline: Zero out positive runtime after throttling constrained tasks Now queued up, thanks. > There's another fix related to this, but it doesn't appear to fix a > regression and I don't know how critical it is: > > commit 3effcb4247e74a51f5d8b775a1ee4abf87cc089a > Author: Daniel Bristot de Oliveira > Date:   Mon May 29 16:24:03 2017 +0200 > >     sched/deadline: Use the revised wakeup rule for suspending constrained dl tasks I'll hold off on this one until someone actually asks for it, as it's a big change. thanks again for the review, greg k-h