From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stanislav Meduna Subject: Re: i.MX28 milliseconds latencies, interrupts disabled in arch_cpu_idle? Date: Mon, 21 Apr 2014 11:11:10 +0200 Message-ID: <5354E0AE.2040702@meduna.org> References: <53503BD8.8000506@meduna.org> <53525197.5040904@xenomai.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: "linux-rt-users@vger.kernel.org" To: Gilles Chanteperdrix Return-path: Received: from www.meduna.org ([92.240.244.38]:46936 "EHLO meduna.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750824AbaDUJLS (ORCPT ); Mon, 21 Apr 2014 05:11:18 -0400 In-Reply-To: <53525197.5040904@xenomai.org> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 19.04.2014 12:36, Gilles Chanteperdrix wrote: > #1 can be avoided by using the ARM FCSE extension. An interesting stuff, thanks for pointing this up. > A patch exists for #1 which is currently integrated into the Adeos patch > but could exist independently. I could post the patch here for Linux > vanilla here if there is enough interest, and let you do the merge with > the preempt_rt patch. I am surely not skilled enough to merge and test this, but publishing the patch rebased to current kernels somewhere would be surely interesting. Thanks -- Stano