Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752549AbYFUODt (ORCPT ); Sat, 21 Jun 2008 10:03:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751026AbYFUODl (ORCPT ); Sat, 21 Jun 2008 10:03:41 -0400 Received: from smtp-out03.alice-dsl.net ([88.44.63.5]:35909 "EHLO smtp-out03.alice-dsl.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979AbYFUODl (ORCPT ); Sat, 21 Jun 2008 10:03:41 -0400 To: "H. Peter Anvin" Cc: Jeremy Fitzhardinge , Roland McGrath , Linux Kernel Mailing List Subject: Re: Various x86 syscall mechanisms From: Andi Kleen References: <485C2875.2050204@goop.org> <485C4B0E.2090704@zytor.com> Date: Sat, 21 Jun 2008 16:02:37 +0200 In-Reply-To: <485C4B0E.2090704@zytor.com> (H. Peter Anvin's message of "Fri, 20 Jun 2008 17:27:58 -0700") Message-ID: <87bq1uyjgi.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 21 Jun 2008 13:55:21.0867 (UTC) FILETIME=[7279B5B0:01C8D3A6] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 550 Lines: 14 "H. Peter Anvin" writes: > There is no reason we couldn't do syscall for 32-bit native, but the > only processor that would benefit would be K7, and that's far enough K6 actually. K7 has sysenter AFAIK. The K6 syscall was also slightly different and would need special case code. -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/