From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261460AbUBUBIC (ORCPT ); Fri, 20 Feb 2004 20:08:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261469AbUBUBIC (ORCPT ); Fri, 20 Feb 2004 20:08:02 -0500 Received: from dp.samba.org ([66.70.73.150]:17347 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id S261460AbUBUBH7 (ORCPT ); Fri, 20 Feb 2004 20:07:59 -0500 From: Rusty Russell To: Pavel Machek Cc: akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Booting when CPUs fail to come up. In-reply-to: Your message of "Fri, 20 Feb 2004 17:10:42 BST." <20040220161042.GI23278@elf.ucw.cz> Date: Sat, 21 Feb 2004 11:37:02 +1100 Message-Id: <20040221010811.2D3112C3A8@lists.samba.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org In message <20040220161042.GI23278@elf.ucw.cz> you write: > Hi! > > > I recently played with setting a bit in cpu_possible_map that wasn't > > in cpu_online_map: this can happen without hotplug CPU when a CPU > > fails to boot, for example. > > Is it safe to continue when one cpu is apparently malfunctioning? Well, patch was overzealous and no longer required. But we shouldn't crash when this happens just because a CPU didn't come up. Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell.