From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755144Ab0INTkb (ORCPT ); Tue, 14 Sep 2010 15:40:31 -0400 Received: from moutng.kundenserver.de ([212.227.17.10]:65274 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754747Ab0INTk3 (ORCPT ); Tue, 14 Sep 2010 15:40:29 -0400 From: Arnd Bergmann To: linux-kernel@vger.kernel.org Subject: [PATCH 08/18] parisc: remove big kernel lock Date: Tue, 14 Sep 2010 21:40:12 +0200 Message-Id: <1284493213-7263-9-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1284493139-7233-1-git-send-email-arnd@arndb.de> References: <1284493139-7233-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:0vkTJS7m2amwwyXvfyO+Si0C5L8id936GwjrO8PQDvJ tZn577XfZUN/+3sUW1rhf3ik1zsKGdtbd6UZs+nzcJTWqX3auW CHEOfezI3zfjfnKouOxpxSqihEFX19SoXOyLXk+66keT3ncA+O 5lw63fuIUVeTwzSBb8ZMiCEuavvfQwq0rqPyHJQTl7keaSyzq8 CQtndFDYwXPyCq1iWL5bw== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The parisc version of the perf code is sufficiently protected by its own spinlock, no need to use the BKL. Signed-off-by: Arnd Bergmann Cc: Kyle McMartin Cc: Helge Deller Cc: "James E.J. Bottomley" Cc: linux-parisc@vger.kernel.org --- arch/parisc/kernel/perf.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-) diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index f9f6783..ba0c053 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -46,7 +46,6 @@ #include #include #include -#include #include #include @@ -261,16 +260,13 @@ printk("Preparing to start counters\n"); */ static int perf_open(struct inode *inode, struct file *file) { - lock_kernel(); spin_lock(&perf_lock); if (perf_enabled) { spin_unlock(&perf_lock); - unlock_kernel(); return -EBUSY; } perf_enabled = 1; spin_unlock(&perf_lock); - unlock_kernel(); return 0; } -- 1.7.1