From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from youngberry.canonical.com ([91.189.89.112]:53996 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750699AbbJSLTJ (ORCPT ); Mon, 19 Oct 2015 07:19:09 -0400 Date: Mon, 19 Oct 2015 12:19:06 +0100 From: Luis Henriques To: Thomas Renninger Cc: stable , prarit@redhat.com Subject: Re: Request for inclusion of 7180dddf7c32c49975c7e7babf2b60ed450cb760 into 4.1 and 3.18 Message-ID: <20151019111906.GF3424@ares> References: <3010888.pyN6FAPjAR@skinner> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3010888.pyN6FAPjAR@skinner> Sender: stable-owner@vger.kernel.org List-ID: On Tue, Oct 13, 2015 at 02:51:21PM +0200, Thomas Renninger wrote: > Hi, > > while double checking whether this on is needed for 3.12 (which it is not), > I realized that this easy patch, fixing a potential divide by zero bug, > patches nicely with only line offset into 4.1 and 3.18 latest stable kernel > branches. > > So you might want to consider taking this one. > With some context adjustment, I am also picking it for the 3.16 kernel. (I'm actually also picking fa30dff9a81e ("cpufreq: intel_pstate: Remove unnecessary type casting in div_s64() call").) Cheers, -- Lu�s > commit 7180dddf7c32c49975c7e7babf2b60ed450cb760 > Author: Prarit Bhargava > Date: Mon Jun 15 13:43:29 2015 -0400 > > intel_pstate: Fix overflow in busy_scaled due to long delay > > The kernel may delay interrupts for a long time which can result in timers > being delayed. If this occurs the intel_pstate driver will crash with a > divide by zero error: > > divide error: 0000 [#1] SMP > ... > -- > To unsubscribe from this list: send the line "unsubscribe stable" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html