From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753957AbbF0I4z (ORCPT ); Sat, 27 Jun 2015 04:56:55 -0400 Received: from mail.skyhub.de ([78.46.96.112]:39097 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751542AbbF0I4s (ORCPT ); Sat, 27 Jun 2015 04:56:48 -0400 Date: Sat, 27 Jun 2015 10:56:31 +0200 From: Borislav Petkov To: Michel Lespinasse Cc: "H. Peter Anvin" , LKML Subject: Re: lockdep issue booting v4.1 upstream kernel with >64 x86_64 CPUs Message-ID: <20150627085631.GA27131@pd.tnic> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 26, 2015 at 06:38:20PM -0700, Michel Lespinasse wrote: > Hi Peter, > > I am getting a minor issue trying to boot a lockdep enabled x86_64 > kernel with >64 CPUs. > > The kernel boots the first 64 CPUs without issues, but then complains > that lockdep wants to allocate memory while start_secondary -> > init_espfix_ap has IRQs disabled: Does that help: https://lkml.kernel.org/r/1435311202-13248-1-git-send-email-zhugh.fnst@cn.fujitsu.com ? -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --