From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030222AbWGNGds (ORCPT ); Fri, 14 Jul 2006 02:33:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030336AbWGNGds (ORCPT ); Fri, 14 Jul 2006 02:33:48 -0400 Received: from host36-195-149-62.serverdedicati.aruba.it ([62.149.195.36]:14306 "EHLO mx.cpushare.com") by vger.kernel.org with ESMTP id S1030222AbWGNGdr (ORCPT ); Fri, 14 Jul 2006 02:33:47 -0400 Date: Fri, 14 Jul 2006 08:33:46 +0200 From: andrea@cpushare.com To: Andrew Morton Cc: bruce@andrew.cmu.edu, alan@lxorguk.ukuu.org.uk, arjan@infradead.org, bunk@stusta.de, rlrevell@joe-job.com, linux-kernel@vger.kernel.org, alan@redhat.com, torvalds@osdl.org, mingo@elte.hu Subject: Re: [PATCH] TIF_NOTSC and SECCOMP prctl Message-ID: <20060714063346.GG18774@opteron.random> References: <20060711153117.GJ7192@opteron.random> <1152635055.18028.32.camel@localhost.localdomain> <20060712210732.GA10182@elte.hu> <20060712185103.f41b51d2.akpm@osdl.org> <44B5F9E6.8070501@andrew.cmu.edu> <20060713083441.GD28310@opteron.random> <20060713021818.b0c0093e.akpm@osdl.org> <20060714060932.GE18774@opteron.random> <20060713232727.ead103f8.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060713232727.ead103f8.akpm@osdl.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 13, 2006 at 11:27:27PM -0700, Andrew Morton wrote: > Using a bit <= 15 will cause kernel to take the work_notifysig path > "pending work-to-be-done flags are in LSW". I'm not sure what happens if > there's such a flag set but nothing is set up to handle it. I guess it > stays set and processes never get out of the kernel again. Ah ok, thanks. > Perhaps TIF_SECCOMP should be >= 16 too - the special-case in > _TIF_ALLWORK_MASK looks odd. It's checked with testw so it must be < 16.