Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261853AbTHTKBQ (ORCPT ); Wed, 20 Aug 2003 06:01:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261856AbTHTKBQ (ORCPT ); Wed, 20 Aug 2003 06:01:16 -0400 Received: from ns.suse.de ([195.135.220.2]:51672 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S261853AbTHTKBP (ORCPT ); Wed, 20 Aug 2003 06:01:15 -0400 To: Vojtech Pavlik Cc: linux-kernel@vger.kernel.org, venkatesh.pallipadi@intel.com Subject: Re: [PATCH][2.6][2/5]Support for HPET based timer References: <20030820080513.GB17793@ucw.cz.suse.lists.linux.kernel> From: Andi Kleen Date: 20 Aug 2003 12:01:13 +0200 In-Reply-To: <20030820080513.GB17793@ucw.cz.suse.lists.linux.kernel> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 781 Lines: 16 Vojtech Pavlik writes: > On Tue, Aug 19, 2003 at 05:18:50PM -0700, Pallipadi, Venkatesh wrote: > > > Fixmap is for HPET memory map address access. As the timer > > initialization happen > > early in the boot sequence (before vm initialization), we need to have > > fixmap() > > and fix_to_virt() to access HPET memory map address. > > Ahh, yes, you're right. You can't use ioremap at that time. Actually I > did the same on x86_64 not only because of vsyscalls. iirc i386 has an ioremap_early or somesuch. -Andi - 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/