From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261214AbVFADf5 (ORCPT ); Tue, 31 May 2005 23:35:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261217AbVFADf5 (ORCPT ); Tue, 31 May 2005 23:35:57 -0400 Received: from ms-smtp-02.nyroc.rr.com ([24.24.2.56]:33672 "EHLO ms-smtp-02.nyroc.rr.com") by vger.kernel.org with ESMTP id S261214AbVFADfv (ORCPT ); Tue, 31 May 2005 23:35:51 -0400 Subject: Re: [PATCH] Abstracted Priority Inheritance for RT From: Steven Rostedt To: dwalker@mvista.com Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, sdietrich@mvista.com, inaky.perez-gonzalez@intel.com In-Reply-To: <1117594659.3798.18.camel@dhcp153.mvista.com> References: <1117594659.3798.18.camel@dhcp153.mvista.com> Content-Type: text/plain Organization: Kihon Technologies Date: Tue, 31 May 2005 23:35:29 -0400 Message-Id: <1117596929.4719.14.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Daniel, I'll start taking a closer look at it tomorrow, but on first working with it, you might want to change the following config on PRIORITY_INHERITANCE. At least for me on a "make oldconfig" the default is usually "No" so I made the following change. It may even be wise to just force it. I haven't taking a look yet, but would PREEMPT_RT work without the inheritance? -- Steve --- lib/Kconfig.RT.orig 2005-05-31 23:29:41.000000000 -0400 +++ lib/Kconfig.RT 2005-05-31 23:29:56.000000000 -0400 @@ -88,7 +88,7 @@ config PRIORITY_INHERITANCE bool "Priority Inheritance" - default n if !PREEMPT_RT + default y if PREEMPT_RT help This option enables system wide priority inheritance. It will enable a high priority waiting task to transfer it's priority