From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6011DECDFB8 for ; Mon, 23 Jul 2018 09:39:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 21D7520846 for ; Mon, 23 Jul 2018 09:39:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 21D7520846 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388284AbeGWKjj (ORCPT ); Mon, 23 Jul 2018 06:39:39 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:35040 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387957AbeGWKjj (ORCPT ); Mon, 23 Jul 2018 06:39:39 -0400 Received: from localhost (LFbn-1-12238-233.w90-92.abo.wanadoo.fr [90.92.53.233]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id D2F37B78; Mon, 23 Jul 2018 09:39:18 +0000 (UTC) Date: Mon, 23 Jul 2018 11:39:16 +0200 From: Greg Kroah-Hartman To: Mukesh Ojha Cc: Thomas Gleixner , Ingo Molnar , gkohli@codeaurora.org, Maria Yu , Prasad Sodagudi , neeraju@codeaurora.org, stable@vger.kernel.org, lkml Subject: Re: Issue related cpuhotplug failure path on 4.9.x version Message-ID: <20180723093916.GA22443@kroah.com> References: <4c43c9d5-cd7d-4f2f-70b3-384863a3fe61@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 23, 2018 at 02:49:27PM +0530, Mukesh Ojha wrote: > On 7/23/2018 1:57 PM, Mukesh Ojha wrote: > > > > Hi All, > > > > I wanted to discuss about one of the corner case exists in 4.9 kernel > > (4.9.x) where 4.9 is over 1 1/2 years old now. Please test this on 4.17 or better yet, 4.18-rc as the cpu hotplug path has been radically cleaned up and changed since 4.9 was released. If you are stuck with 4.9 for some odd reason, sorry, but you really are on your own. I recommend going and asking for support from the people that are forcing you to stick with that kernel. good luck! greg k-h