From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Weinberger Subject: [PATCH 1/5] ring_buffer: Export for_each_buffer_cpu() Date: Wed, 18 Jan 2012 23:43:26 +0100 Message-ID: <1326926610-17830-2-git-send-email-rw@linutronix.de> References: <1326926610-17830-1-git-send-email-rw@linutronix.de> Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, rostedt@goodmis.org, Richard Weinberger To: netfilter-devel@vger.kernel.org Return-path: In-Reply-To: <1326926610-17830-1-git-send-email-rw@linutronix.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org From: Richard Weinberger Signed-off-by: Richard Weinberger --- 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