From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: Re: [PATCH] migrate_disable pushd down in rt_read_trylock Date: Sun, 15 Dec 2013 16:06:19 +0100 Message-ID: <52ADC56B.6070406@linutronix.de> References: <20131123005158.GA16338@opentech.at> <20131129151401.GD31099@linutronix.de> <20131129154425.GE31099@linutronix.de> <20131130023026.GB8114@opentech.at> <20131130064755.GA12036@opentech.at> <20131215131643.GC31090@linutronix.de> <20131215141522.GA15532@opentech.at> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: linux-rt-users@vger.kernel.org, Peter Zijlstra , Steven Rostedt , Andreas Platschek To: Nicholas Mc Guire Return-path: Received: from www.linutronix.de ([62.245.132.108]:55738 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750834Ab3LOPGY (ORCPT ); Sun, 15 Dec 2013 10:06:24 -0500 In-Reply-To: <20131215141522.GA15532@opentech.at> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 12/15/2013 03:15 PM, Nicholas Mc Guire wrote: > no - as David Miller stated clearly that he sees these > split-api locks as a valid idiom and there were clear > worries that this would break in the future I see no point > in pushing this. The alternative of removing the recursive > migrate_disable/enable in local_bh_* directly is good > enough I guess - see: > 0001-make-migrate-disable-enable-conditioned-on-softirq_n.patch okay. > > thx! > hofrat Sebastian