From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752671Ab2AVWpH (ORCPT ); Sun, 22 Jan 2012 17:45:07 -0500 Received: from a.ns.miles-group.at ([95.130.255.143]:47842 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752306Ab2AVWoP (ORCPT ); Sun, 22 Jan 2012 17:44:15 -0500 From: Richard Weinberger To: netfilter-devel@vger.kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, eric.dumazet@gmail.com, jengelh@medozas.de, Richard Weinberger Subject: [PATCH 2/6] ring_buffer: Export for_each_buffer_cpu() Date: Sun, 22 Jan 2012 22:56:17 +0100 Message-Id: <1327269381-20748-3-git-send-email-richard@nod.at> X-Mailer: git-send-email 1.7.7 In-Reply-To: <1327269381-20748-1-git-send-email-richard@nod.at> References: <1327269381-20748-1-git-send-email-richard@nod.at> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In order to make ring_buffer usable to other modules for_each_buffer_cpu() needs to be exported. Signed-off-by: Richard Weinberger Acked-by: Steven Rostedt --- include/linux/ring_buffer.h | 5 +++++ kernel/trace/ring_buffer.c | 7 +++++++ 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 67be037..5c1c29f 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -185,4 +185,9 @@ enum ring_buffer_flags { RB_FL_OVERWRITE = 1 << 0, }; +cpumask_var_t *ring_buffer_mask(struct ring_buffer *buffer); + +#define for_each_buffer_cpu(buffer, cpu) \ + for_each_cpu(cpu, *(ring_buffer_mask(buffer))) + #endif /* _LINUX_RING_BUFFER_H */ diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index f5b7b5c..a4117c5 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -348,6 +348,7 @@ void *ring_buffer_event_data(struct ring_buffer_event *event) } EXPORT_SYMBOL_GPL(ring_buffer_event_data); +#undef for_each_buffer_cpu #define for_each_buffer_cpu(buffer, cpu) \ for_each_cpu(cpu, buffer->cpumask) @@ -4139,3 +4140,9 @@ static int rb_cpu_notify(struct notifier_block *self, return NOTIFY_OK; } #endif + +cpumask_var_t *ring_buffer_mask(struct ring_buffer *buffer) +{ + return &buffer->cpumask; +} +EXPORT_SYMBOL_GPL(ring_buffer_mask); -- 1.7.7