From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932489AbVHKVVc (ORCPT ); Thu, 11 Aug 2005 17:21:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932490AbVHKVVc (ORCPT ); Thu, 11 Aug 2005 17:21:32 -0400 Received: from rproxy.gmail.com ([64.233.170.197]:1709 "EHLO rproxy.gmail.com") by vger.kernel.org with ESMTP id S932489AbVHKVVb (ORCPT ); Thu, 11 Aug 2005 17:21:31 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:user-agent:x-accept-language:mime-version:to:cc:subject:x-enigmail-version:x-enigmail-supports:content-type:content-transfer-encoding; b=fUWTS7xe8i1RZ8GYUDi4NFxopi8IXoReLM0ChykbSkFjLfLuC2ycYr+UgGVLDyqaAofvqDACFMw8HP1zLUUPRLDiRVy0fIDDg/vyLClkzqKze1joFtH5vV57t5Z0hbDIMHtwEs+op+xLQXWXh59mglzDhYjY662J5IpZKqWpees= Message-ID: <42FBC106.3040501@gmail.com> Date: Thu, 11 Aug 2005 21:20:06 +0000 From: Luca Falavigna User-Agent: Mozilla Thunderbird 1.0.6 (X11/20050716) X-Accept-Language: it, it-it, en-us, en MIME-Version: 1.0 To: Ingo Molnar CC: Linux Kernel Mailing List Subject: [PATCH] Real-Time Preemption V0.7.53-02, fix redundant PREEMPT_RCU config option X-Enigmail-Version: 0.89.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This patch removes a redundant PREEMPT_RCU option from kernel/Kconfig.preempt. Signed-off-by: Luca Falavigna --- realtime-preempt-2.6.13-rc4-RT-V0.7.53-02.orig 2005-08-11 18:56:51.000000000 +0000 +++ realtime-preempt-2.6.13-rc4-RT-V0.7.53-02 2005-08-11 21:13:43.000000000 +0000 @@ -21571,18 +21571,6 @@ Index: linux/kernel/Kconfig.preempt + + Say N if you are unsure. + -+config PREEMPT_RCU -+ bool "Preemptible RCU" -+ default n -+ depends on PREEMPT -+ help -+ This option reduces the latency of the kernel by making certain -+ RCU sections preemptible. Normally RCU code is non-preemptible, if -+ this option is selected then read-only RCU sections become -+ preemptible. This helps latency, but may increase memory utilization. -+ -+ Say N if you are unsure. -+ +config SPINLOCK_BKL + bool "Old-Style Big Kernel Lock" + depends on (PREEMPT || SMP) && !PREEMPT_RT Regards, -- Luca