Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261563AbVEYV0N (ORCPT ); Wed, 25 May 2005 17:26:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261567AbVEYV0N (ORCPT ); Wed, 25 May 2005 17:26:13 -0400 Received: from sccrmhc12.comcast.net ([204.127.202.56]:13973 "EHLO sccrmhc12.comcast.net") by vger.kernel.org with ESMTP id S261563AbVEYV0L (ORCPT ); Wed, 25 May 2005 17:26:11 -0400 Date: Wed, 25 May 2005 17:25:38 -0400 From: Tom Vier To: Esben Nielsen Cc: linux-kernel@vger.kernel.org Subject: Re: RT patch acceptance Message-ID: <20050525212538.GC28913@zero> Reply-To: Tom Vier References: <20050525205841.GB28913@zero> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 681 Lines: 17 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? -- Tom Vier DSA Key ID 0x15741ECE - 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/