From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Galbraith Subject: Re: PREEMPT_RT with Full Tickless Date: Fri, 11 Dec 2015 15:36:17 +0100 Message-ID: <1449844577.4882.5.camel@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: linux-rt-users@vger.kernel.org To: GeHao Kang , tglx@linutronix.de, peterz@infradead.org, jason.low2@hp.com Return-path: Received: from mail-wm0-f45.google.com ([74.125.82.45]:36705 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752991AbbLKOgU (ORCPT ); Fri, 11 Dec 2015 09:36:20 -0500 Received: by mail-wm0-f45.google.com with SMTP id n186so32363556wmn.1 for ; Fri, 11 Dec 2015 06:36:19 -0800 (PST) In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Fri, 2015-12-11 at 19:29 +0800, GeHao Kang wrote: > Hi Thomas, Peter, and Jason, > > When I enable CONFIG_PREEMPT_RT_FULL and CONFIG_NO_HZ_FULL > in Linux Kernel v4.1.12-rt12, I find the tick on the nohz_full cpu > never stops. Because the workarounds that let it work have been dropped. I recall Thomas mentioning that, but can't find the message in my rubble pile. -Mike