Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753989AbaFKRo2 (ORCPT ); Wed, 11 Jun 2014 13:44:28 -0400 Received: from mail-ve0-f173.google.com ([209.85.128.173]:41013 "EHLO mail-ve0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752436AbaFKRo0 (ORCPT ); Wed, 11 Jun 2014 13:44:26 -0400 MIME-Version: 1.0 In-Reply-To: References: <5388838B.8070802@oracle.com> <53888E76.5040101@hurleysoftware.com> <20140530140757.GC2419@quack.suse.cz> <53921116.5050804@oracle.com> <53972B5C.5020605@hurleysoftware.com> <53986DFB.9030006@oracle.com> Date: Wed, 11 Jun 2014 10:44:25 -0700 X-Google-Sender-Auth: zzsOU2CzFaXKgTMQECJ_mgbb4Nc Message-ID: Subject: Re: console: lockup on boot From: Linus Torvalds To: Sasha Levin Cc: Peter Hurley , Jan Kara , Petr Mladek , Andrew Morton , Jet Chen , LKML Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 11, 2014 at 10:38 AM, Linus Torvalds wrote: > > Ok, I'm going to revert that commit. The games it plays with cpu > numbers and preemption make me worried, and it looks silly. > > If the only reason for that patch is interrupt latency, then if the > "preempt_disable()" had been done *before* restoring irq's, none of > those "let's reload the CPU number" games would have been necessary, > and the patch could have been smaller. Ugh. It doesn't revert cleanly, so I guess I'm not just reverting it after all. Jan? Linus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/