From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: Re: [PATCH RESEND -rt] mm: perform lru_add_drain_all() remotely Date: Thu, 12 May 2016 16:49:43 +0200 Message-ID: <20160512144943.GD19035@linutronix.de> References: <20160509105037.1555d0e0@redhat.com> <20160512084230.GA19035@linutronix.de> <20160512095149.2a6f7357@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: linux-rt-users@vger.kernel.org, riel@redhat.com, tglx@linutronix.de, srostedt@redhat.com, williams@redhat.com To: Luiz Capitulino Return-path: Received: from www.linutronix.de ([62.245.132.108]:54107 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751675AbcELOtq (ORCPT ); Thu, 12 May 2016 10:49:46 -0400 Content-Disposition: inline In-Reply-To: <20160512095149.2a6f7357@redhat.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: * Luiz Capitulino | 2016-05-12 09:51:49 [-0400]: >That's correct. This is an -RT patch for two reasons: > > 1. This solution builds on top of the per-cpu locks API implemented > by -RT and already in place in the pagevecs drain code > > 2. As SCHED_FIFO is the norm in -RT, the problem is more common there more common so not RT-only. Would you people prefer this for mainline or would you rather something else in case this needs to be fixed mainline, too? Sebastian