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Date: Sun, 5 Feb 2012 01:14:50 +0100 From: Richard Weinberger <richard@....at> To: netfilter-devel@...r.kernel.org Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, eric.dumazet@...il.com, jengelh@...ozas.de, rostedt@...dmis.org, Richard Weinberger <richard@....at> Subject: [PATCH 2/4] ring_buffer: Export for_each_buffer_cpu() In order to make ring_buffer usable to other modules for_each_buffer_cpu() needs to be exported. Signed-off-by: Richard Weinberger <richard@....at> Acked-by: Steven Rostedt <rostedt@...dmis.org> --- 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); -- 1.7.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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