Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753789Ab0GJWbi (ORCPT ); Sat, 10 Jul 2010 18:31:38 -0400 Received: from terminus.zytor.com ([198.137.202.10]:53176 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752959Ab0GJWbg (ORCPT ); Sat, 10 Jul 2010 18:31:36 -0400 Message-ID: <4C38F489.3090607@zytor.com> Date: Sat, 10 Jul 2010 15:30:33 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100621 Fedora/3.0.5-1.fc13 Thunderbird/3.0.5 MIME-Version: 1.0 To: Cyrill Gorcunov CC: Pekka Enberg , x86@kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Yinghai Lu Subject: Re: [PATCH v2] x86: Early-boot serial I/O support References: <1278790820-1817-1-git-send-email-penberg@cs.helsinki.fi> <20100710210750.GC6615@lenovo> <4C38E7FD.9020403@zytor.com> <20100710215554.GE6615@lenovo> In-Reply-To: <20100710215554.GE6615@lenovo> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 677 Lines: 21 On 07/10/2010 02:55 PM, Cyrill Gorcunov wrote: > > I rather wonder -- can't we use cpu_relax() from processor.h? Or there > is some type conflicts? > Probably. The boot environment is pretty different, and not sharing header files where we don't need to because of shared data structures is probably a good idea. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/