From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1Dxb6H-00069z-BX for user-mode-linux-devel@lists.sourceforge.net; Tue, 26 Jul 2005 18:52:49 -0700 Received: from lakshmi.addtoit.com ([198.99.130.6] helo=lakshmi.solana.com) by mail.sourceforge.net with esmtp (Exim 4.44) id 1Dxb6H-0001cC-4y for user-mode-linux-devel@lists.sourceforge.net; Tue, 26 Jul 2005 18:52:49 -0700 Received: from ccure.user-mode-linux.org (lakshmi.solana.com [127.0.0.1]) by lakshmi.solana.com (8.11.2/8.11.2) with ESMTP id j6R0rfm13262 for ; Tue, 26 Jul 2005 20:53:46 -0400 Received: from ccure.user-mode-linux.org (localhost.localdomain [127.0.0.1]) j6R1gi4e014263 for ; Tue, 26 Jul 2005 21:42:44 -0400 From: Jeff Dike Message-ID: <20050727014243.GA14161@ccure.user-mode-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: [uml-devel] [PATCH] load ave >= 1 Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Tue, 26 Jul 2005 21:42:43 -0400 To: user-mode-linux-devel@lists.sourceforge.net The patch below might fix the ksoftirqd load average >= 1 problem. I can't reproduce it, but in chasing it in one of Chris Aker's non-debuggable images, I uncovered this bug. Testing and feedback are welcome. It's applied against my incrementals, but it should be easy to apply in any other UML. Jeff Index: linux-2.6.12/arch/um/kernel/time_kern.c =================================================================== --- linux-2.6.12.orig/arch/um/kernel/time_kern.c 2005-07-26 16:46:19.000000000 -0400 +++ linux-2.6.12/arch/um/kernel/time_kern.c 2005-07-26 18:46:09.000000000 -0400 @@ -189,8 +189,10 @@ void timer_handler(int sig, union uml_pt_regs *regs) { local_irq_disable(); + irq_enter(); update_process_times(CHOOSE_MODE(user_context(UPT_SP(regs)), (regs)->skas.is_user)); + irq_exit(); local_irq_enable(); if(current_thread->cpu == 0) timer_irq(regs); ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel