Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261183AbVEYVki (ORCPT ); Wed, 25 May 2005 17:40:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261186AbVEYVke (ORCPT ); Wed, 25 May 2005 17:40:34 -0400 Received: from smtp.lnxw.com ([207.21.185.24]:5135 "EHLO smtp.lnxw.com") by vger.kernel.org with ESMTP id S261183AbVEYVk3 (ORCPT ); Wed, 25 May 2005 17:40:29 -0400 Date: Wed, 25 May 2005 14:45:24 -0700 To: Tom Vier , '@nietzsche.lynx.com Cc: Esben Nielsen , linux-kernel@vger.kernel.org Subject: Re: RT patch acceptance Message-ID: <20050525214524.GB30987@nietzsche.lynx.com> References: <20050525205841.GB28913@zero> <20050525212538.GC28913@zero> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050525212538.GC28913@zero> User-Agent: Mutt/1.5.9i From: Bill Huey (hui) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 831 Lines: 20 On Wed, May 25, 2005 at 05:25:38PM -0400, Tom Vier wrote: > On Wed, May 25, 2005 at 11:05:05PM +0200, Esben Nielsen wrote: > > Long interrupt handlers can be interrupt by _tasks_, not only other > > interrupts! An audio application running in userspace can be scheduled > > over an ethernet interrupt handler copying data from the > > controller into RAM (without DMA). > > Doesn't that greatly increase the risk of the hardware overrunning it's > buffer? If you have a broken device and associated driver yes. But it's not like irq-threads are going to change that either way. bill - 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/