From: Steven Rostedt Impact: fix ring_buffer_read_page After a page is swapped into the ring buffer, the write field must also be reset. Signed-off-by: Steven Rostedt --- kernel/trace/ring_buffer.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index a8c275c..9baad7e 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2492,6 +2492,7 @@ int ring_buffer_read_page(struct ring_buffer *buffer, rb_init_page(bpage); bpage = cpu_buffer->reader_page->page; cpu_buffer->reader_page->page = *data_page; + local_set(&cpu_buffer->reader_page->write, 0); cpu_buffer->reader_page->read = 0; *data_page = bpage; } -- 1.5.6.5 -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/