Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 1 Mar 2001 15:30:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 1 Mar 2001 15:30:17 -0500 Received: from [194.213.32.137] ([194.213.32.137]:2052 "EHLO bug.ucw.cz") by vger.kernel.org with ESMTP id ; Thu, 1 Mar 2001 15:30:07 -0500 Date: Sat, 1 Jan 2000 00:28:42 +0000 From: Pavel Machek To: BERECZ Szabolcs Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] new setprocuid syscall Message-ID: <20000101002842.A28@(none)> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: ; from szabi@inf.elte.hu on Tue, Feb 20, 2001 at 06:04:09PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > The conclusion: it's cannot be implemented without slowdown. > So ignore my patch. Of course it can. One possibility would be to implement it as ptrace(SETUID) and only allow it if we know other task is not in kernel. [And then cean up any remaining problems.] -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html. - 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/