[PATCH net-next v2 0/2] add benchmark selftest and optimization for ptr_ring

Patch 1: add a selftest app to benchmark the performance
         of ptr_ring.
Patch 2: make __ptr_ring_empty() checking more reliable
         and use the just added selftest to benchmark the
         performance impact.

V2: add patch 1 and add performance data for patch 2.

Yunsheng Lin (2):
  selftests/ptr_ring: add benchmark application for ptr_ring
  ptr_ring: make __ptr_ring_empty() checking more reliable

 MAINTAINERS                                      |   5 +
 include/linux/ptr_ring.h                         |  25 ++-
 tools/testing/selftests/ptr_ring/Makefile        |   6 +
 tools/testing/selftests/ptr_ring/ptr_ring_test.c | 249 +++++++++++++++++++++++
 tools/testing/selftests/ptr_ring/ptr_ring_test.h | 150 ++++++++++++++
 5 files changed, 426 insertions(+), 9 deletions(-)
 create mode 100644 tools/testing/selftests/ptr_ring/Makefile
 create mode 100644 tools/testing/selftests/ptr_ring/ptr_ring_test.c
 create mode 100644 tools/testing/selftests/ptr_ring/ptr_ring_test.h

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2.7.4