From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752024AbYJTGd4 (ORCPT ); Mon, 20 Oct 2008 02:33:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751255AbYJTGdp (ORCPT ); Mon, 20 Oct 2008 02:33:45 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:32883 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751211AbYJTGdo (ORCPT ); Mon, 20 Oct 2008 02:33:44 -0400 Date: Sun, 19 Oct 2008 23:33:21 -0700 (PDT) Message-Id: <20081019.233321.69192797.davem@davemloft.net> To: andrea@persephoneslair.org Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] Fix race in arch/sparc64/kernel/trampoline.S From: David Miller In-Reply-To: <20081018000635.GA16445@charon.persephoneslair.org> References: <20081018000635.GA16445@charon.persephoneslair.org> X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrea Shepard Date: Fri, 17 Oct 2008 17:06:35 -0700 > Make arch/sparc64/kernel/trampoline.S in 2.6.27.1 lock prom_entry_lock > when calling the PROM. This prevents a race condition that I observed > causing a hang on startup on a 12-CPU E4500. > > I am not subscribed to this list, so please CC me on replies. > > Signed-off-by: Andrea Shepard Applied, thanks a lot Andrea.