Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756037AbXIQOf1 (ORCPT ); Mon, 17 Sep 2007 10:35:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754592AbXIQOfP (ORCPT ); Mon, 17 Sep 2007 10:35:15 -0400 Received: from nz-out-0506.google.com ([64.233.162.238]:31519 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754269AbXIQOfN (ORCPT ); Mon, 17 Sep 2007 10:35:13 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Z5ZhWLlvK/0EVTuS2AqEsz4jxl6sf4k8q8hW/Z5vk6CI/73AGWIbcn+Hs12lF7W0+hyT0f+rC7MaP4WR+uX9IDx8lj5l5ubj2Jc1e5+S+opzQ9toTi8CUbFDrVkeo7VnvloZi/pdo5JUvCQYXtsBpc7zEdK1SO2PbPLHi/cYPUM= Message-ID: Date: Mon, 17 Sep 2007 07:35:04 -0700 From: "Ulrich Drepper" To: "Francis Moreau" Subject: Re: x86_64: vsyscall vs vdso Cc: linux-kernel@vger.kernel.org In-Reply-To: <38b2ab8a0709170030k2b5dad5dja31edebf12ad9626@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <38b2ab8a0709161324p6841c1f9h6f9422b0e6c4b5cd@mail.gmail.com> <38b2ab8a0709170030k2b5dad5dja31edebf12ad9626@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 17 On 9/17/07, Francis Moreau wrote: > Does that mean we'll need to keep 3 different implementations of gtod > in the kernel forever ? That's a question for the kernel maintainers to answer. > I think signal trampolines will still need them too. So making > vsyscalls configurable doesn't seem to work, does it ? vsyscalls aren't used for that. We have a restorer in libc and could easily use one in the vdso. That's what is done on x86. - 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/