Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750844AbWAFWd7 (ORCPT ); Fri, 6 Jan 2006 17:33:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932507AbWAFWd7 (ORCPT ); Fri, 6 Jan 2006 17:33:59 -0500 Received: from ns1.suse.de ([195.135.220.2]:20460 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1750844AbWAFWd6 (ORCPT ); Fri, 6 Jan 2006 17:33:58 -0500 From: Andi Kleen To: Lee Revell Subject: Re: [PATCH, RFC] RCU : OOM avoidance and lower latency Date: Fri, 6 Jan 2006 23:18:34 +0100 User-Agent: KMail/1.8.2 Cc: Eric Dumazet , Linus Torvalds , linux-kernel@vger.kernel.org, "David S. Miller" , Dipankar Sarma , "Paul E. McKenney" , Manfred Spraul , netdev@vger.kernel.org References: <20060105235845.967478000@sorel.sous-sol.org> <200601061358.42344.ak@suse.de> <1136575600.17979.58.camel@mindpipe> In-Reply-To: <1136575600.17979.58.camel@mindpipe> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200601062318.35464.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 18 On Friday 06 January 2006 20:26, Lee Revell wrote: > On Fri, 2006-01-06 at 13:58 +0100, Andi Kleen wrote: > > Another CPU might be stuck in a long > > running interrupt > > Shouldn't a long running interrupt be considered a bug? In normal operation yes, but there can be always exceptional circumstances where it's unavoidable (e.g. during error handling) and in the name of defensive programming the rest of the system ought to tolerate it. -Andi - 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/