From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753903AbdDMOXZ (ORCPT ); Thu, 13 Apr 2017 10:23:25 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:38257 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752644AbdDMOXY (ORCPT ); Thu, 13 Apr 2017 10:23:24 -0400 Date: Thu, 13 Apr 2017 16:23:11 +0200 From: Sebastian Siewior To: Alex Shi Cc: peterz@infradead.org, mingo@redhat.com, corbet@lwn.net, "open list:LOCKING PRIMITIVES" , Steven Rostedt , Thomas Gleixner Subject: Re: [PATCH 2/3] rtmutex: deboost priority conditionally when rt-mutex unlock Message-ID: <20170413142311.6wo7o34wloda6uv7@linutronix.de> References: <1492092174-31734-1-git-send-email-alex.shi@linaro.org> <1492092174-31734-3-git-send-email-alex.shi@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1492092174-31734-3-git-send-email-alex.shi@linaro.org> User-Agent: NeoMutt/20170306 (1.8.0) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2017-04-13 22:02:53 [+0800], Alex Shi wrote: > The rt_mutex_fastunlock() will deboost 'current' task when it should be. without looking whether or not this patch makes sense those patches won't apply. Please look at tip/master or tip's locking/core https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=locking/core where PeterZ rewrote part of the code. Sebastian