Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261301AbUK0SqG (ORCPT ); Sat, 27 Nov 2004 13:46:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261302AbUK0SqG (ORCPT ); Sat, 27 Nov 2004 13:46:06 -0500 Received: from mx1.redhat.com ([66.187.233.31]:43141 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261301AbUK0SqD (ORCPT ); Sat, 27 Nov 2004 13:46:03 -0500 Date: Sat, 27 Nov 2004 10:46:00 -0800 From: Pete Zaitcev To: Paul Fulghum Cc: linux-kernel , zaitcev@redhat.com Subject: Re: [PATCH 2.4] usb serial write fix Message-ID: <20041127104600.55395d78@lembas.zaitcev.lan> In-Reply-To: <1099409108.2856.35.camel@deimos.microgate.com> References: <20041101193616.2d517e77@lembas.zaitcev.lan> <1099404208.2856.25.camel@deimos.microgate.com> <1099409108.2856.35.camel@deimos.microgate.com> Organization: Red Hat, Inc. X-Mailer: Sylpheed-Claws 0.9.12cvs126.2 (GTK+ 2.4.13; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 856 Lines: 22 On Tue, 02 Nov 2004 09:25:08 -0600, Paul Fulghum wrote: > On Tue, 2004-11-02 at 08:03, Paul Fulghum wrote: > > On Mon, 2004-11-01 at 21:36, Pete Zaitcev wrote: > > > Why testing for signals? Do you expect any? > > > > post_helper can run in a user process as well > > as keventd. The user process can get a signal > > like HUP to pppd. > Signals sent to one user process can interfere with > the processing of write requests from a different process. This is a problem only _if_ we apply your patch (which checks for signals), this is why I asked about it in the first place. -- Pete - 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/