From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751344Ab3HBLPD (ORCPT ); Fri, 2 Aug 2013 07:15:03 -0400 Received: from mail-ee0-f51.google.com ([74.125.83.51]:34711 "EHLO mail-ee0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750848Ab3HBLPA (ORCPT ); Fri, 2 Aug 2013 07:15:00 -0400 Date: Fri, 2 Aug 2013 13:14:55 +0200 From: Ingo Molnar To: Li Zefan Cc: Greg Kroah-Hartman , Peter Zijlstra , gaoyang.zyh@taobao.com, LKML , stable Subject: Re: stable: a59f4e079d19464eebb9b06513a1d4f55fdae5ba needs backport ? Message-ID: <20130802111455.GA29304@gmail.com> References: <51FB7DF5.8030600@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51FB7DF5.8030600@huawei.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Li Zefan wrote: > commit a59f4e079d19464eebb9b06513a1d4f55fdae5ba > Author: Zhu Yanhai > Date: Tue Jan 8 12:56:52 2013 +0800 > > sched: Fix the broken sched_rr_get_interval() > > Without this patch, syscall sched_rr_get_interval() can return wrong > value, and the bug was introduced in 2.6.24, so this looks like a > candidate for stable kernel. > > The concern for backporting is that this might break some userspace > programs? As the changelog says: > > [ Since this is an ABI and an old bug, we'll test this via a > slow upstream route, to hopefully discover any app breakage. ] It appears to have caused no trouble. So I'm fine with backporting it to older -stable kernels: Acked-by: Ingo Molnar Thanks, Ingo