Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262048AbTKGWZx (ORCPT ); Fri, 7 Nov 2003 17:25:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262038AbTKGWZk (ORCPT ); Fri, 7 Nov 2003 17:25:40 -0500 Received: from mx1.elte.hu ([157.181.1.137]:47579 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S264048AbTKGK32 (ORCPT ); Fri, 7 Nov 2003 05:29:28 -0500 Date: Fri, 7 Nov 2003 11:24:47 +0100 (CET) From: Ingo Molnar Reply-To: Ingo Molnar To: Mark Gross Cc: linux-kernel@vger.kernel.org, Linus Torvalds Subject: Re: [PATCH] SMP signal latency fix up. In-Reply-To: <1068158989.3555.43.camel@localhost.localdomain> Message-ID: References: <1068158989.3555.43.camel@localhost.localdomain> 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: 607 Lines: 16 On Thu, 6 Nov 2003, Mark Gross wrote: > Running on SMP and the 2.6.0-test9 kernel, it takes about 10000 * 1/HZ > seconds. Running this command with maxcpus=1 the command finishes in > fraction of a second. Under SMP the signal delivery isn't kicking the > task if its in the run state on the other CPU. yeah - good catch - it's a brown paper bag bug. Ingo - 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/