[PATCH 0/3] tracing: block-able ring_buffer consumer

[Lai Jiangshan]

The first patch fixes a bug of splice_read for ring_buffer, and makes
rb_get_reader_page() can be easily used by block-able/poll-able codes.

The other patches make consumer block-able and poll-able.

Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
---
 b/include/linux/ftrace.h      |    6 ++
 b/include/linux/ring_buffer.h |    4 +
 b/kernel/timer.c              |    2
 b/kernel/trace/ring_buffer.c  |   29 +++++++------
 b/kernel/trace/trace.c        |   39 ++++++++++++++++--
 include/linux/ring_buffer.h   |    3 +
 kernel/trace/ring_buffer.c    |   89 ++++++++++++++++++++++++++++++++++++++++++
 kernel/trace/trace.c          |    9 ++++
 8 files changed, 163 insertions(+), 18 deletions(-)




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