[PATCH v4 0/4] use bin_attribute to avoid cpumap buff overflow

[Barry Song <song.bao.hua@hisilicon.com>]

patch #1 adds a new function cpumap_print_to_buf and patch #2 uses
this function in drivers/base/topology.c, and patch #3 uses this new
function in drivers/base/node.c.
patch #4 adds test cases for the new API.

v4:
add test cases for bitmap_print_to_buf API;
add Reviewed-by of Jonathan Cameron for patches 1-3, thanks!

v3:
fixed the strlen issue and patch #1,#2,#3 minor formatting issues, thanks
to Andy Shevchenko and Jonathan Cameron.

v2:
split the original patch #1 into two patches and use kasprintf() in
patch #1 to simplify the code. do some minor formatting adjustments.

Barry Song (1):
  lib: test_bitmap: add bitmap_print_to_buf test cases

Tian Tao (3):
  lib: bitmap: introduce bitmap_print_to_buf
  topology: use bin_attribute to avoid buff overflow
  drivers/base/node.c: use bin_attribute to avoid buff overflow

 drivers/base/node.c     |  52 +++++++++-----
 drivers/base/topology.c | 115 +++++++++++++++++--------------
 include/linux/bitmap.h  |   2 +
 include/linux/cpumask.h |  21 ++++++
 lib/bitmap.c            |  37 +++++++++-
 lib/test_bitmap.c       | 149 ++++++++++++++++++++++++++++++++++++++++
 6 files changed, 304 insertions(+), 72 deletions(-)

-- 
2.25.1