Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934064AbaFSRGD (ORCPT ); Thu, 19 Jun 2014 13:06:03 -0400 Received: from mail-wi0-f181.google.com ([209.85.212.181]:46974 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933127AbaFSRGA (ORCPT ); Thu, 19 Jun 2014 13:06:00 -0400 Message-ID: <1403197556.4872.21.camel@marge.simpson.net> Subject: Re: How to disable Lazy Preempt in the kernel From: Mike Galbraith To: tdjames Cc: linux-kernel@vger.kernel.org Date: Thu, 19 Jun 2014 19:05:56 +0200 In-Reply-To: <1403192952555-885031.post@n7.nabble.com> References: <1403190681610-885003.post@n7.nabble.com> <20140619153555.GA1740@fancy-poultry.org> <1403192952555-885031.post@n7.nabble.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2014-06-19 at 08:49 -0700, tdjames wrote: > When I use > echo NO_PREEMPT_LAZY >/sys/kernel/debug/sched_features > (as root), I get the following error: > > bash: echo: write error: Invalid argument > > How do I get past this? Thanks Easy, do.. nothing. (it's build-time disabled on x86_64;) -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/