Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 20 Dec 2002 05:16:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 20 Dec 2002 05:16:29 -0500 Received: from carisma.slowglass.com ([195.224.96.167]:64785 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id ; Fri, 20 Dec 2002 05:16:29 -0500 Date: Fri, 20 Dec 2002 10:24:31 +0000 From: Christoph Hellwig To: Roland McGrath Cc: linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: PTRACE_GET_THREAD_AREA Message-ID: <20021220102431.A26923@infradead.org> Mail-Followup-To: Christoph Hellwig , Roland McGrath , linux-kernel@vger.kernel.org, Ingo Molnar References: <200212200832.gBK8Wfg29816@magilla.sf.frob.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <200212200832.gBK8Wfg29816@magilla.sf.frob.com>; from roland@redhat.com on Fri, Dec 20, 2002 at 12:32:41AM -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 841 Lines: 17 On Fri, Dec 20, 2002 at 12:32:41AM -0800, Roland McGrath wrote: > This patch vs 2.5.51 (should apply fine to 2.5.52) adds two new ptrace > requests for i386, PTRACE_GET_THREAD_AREA and PTRACE_SET_THREAD_AREA. > These let another process using ptrace do the equivalent of performing > get_thread_area and set_thread_area system calls for another thread. I don't think ptrace is the right interface for this. Just changed the get_thread_area/set_thread_area to take a new first pid_t argument. Of course you might have to check privilegues if the first argument is non-null (i.e. not yourself). - 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/