From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966483AbXG3CuV (ORCPT ); Sun, 29 Jul 2007 22:50:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966326AbXG3Crh (ORCPT ); Sun, 29 Jul 2007 22:47:37 -0400 Received: from gateway-1237.mvista.com ([63.81.120.158]:41624 "EHLO localhost.localdomain" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S966238AbXG3Crd (ORCPT ); Sun, 29 Jul 2007 22:47:33 -0400 Message-Id: <20070730024718.890110769@mvista.com> References: <20070730024534.369897977@mvista.com> User-Agent: quilt/0.46-1 Date: Sun, 29 Jul 2007 19:45:36 -0700 From: Daniel Walker To: mingo@elte.hu Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Steven Rostedt Content-Disposition: inline; filename=preempt-hardirqs-selects-preempt-softirqs.patch Subject: [PATCH -rt 2/9] Dont allow non-threaded softirqs and threaded hardirqs Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Steven Rostedt Ingo, I think this was sent before, and it did cause problems before. Would there be *any* reason to have non-threaded softirqs but threaded hardirqs. I can see lots of issues with that. This patch has selecting hardirqs also select softirqs as threads. Signed-off-by: Steven Rostedt --- kernel/Kconfig.preempt | 1 + 1 file changed, 1 insertion(+) Index: linux-2.6.22/kernel/Kconfig.preempt =================================================================== --- linux-2.6.22.orig/kernel/Kconfig.preempt 2007-07-26 14:59:11.000000000 +0000 +++ linux-2.6.22/kernel/Kconfig.preempt 2007-07-26 14:59:48.000000000 +0000 @@ -106,6 +106,7 @@ config PREEMPT_HARDIRQS bool "Thread Hardirqs" default n depends on !GENERIC_HARDIRQS_NO__DO_IRQ + select PREEMPT_SOFTIRQS help This option reduces the latency of the kernel by 'threading' hardirqs. This means that all (or selected) hardirqs will run --