Merge tag 'bitmap-for-v7.1' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

 - new API: bitmap_weight_from() and bitmap_weighted_xor() (Yury)

 - drop unused __find_nth_andnot_bit() (Yury)

 - new tests and test improvements (Andy, Akinobu, Yury)

 - fixes for count_zeroes API (Yury)

 - cleanup bitmap_print_to_pagebuf() mess (Yury)

 - documentation updates (Andy, Kai, Kit).

* tag 'bitmap-for-v7.1' of https://github.com/norov/linux: (24 commits)
  bitops: Update kernel-doc for sign_extendXX()
  powerpc/xive: simplify xive_spapr_debug_show()
  thermal: intel: switch cpumask_get() to using cpumask_print_to_pagebuf()
  coresight: don't use bitmap_print_to_pagebuf()
  lib/prime_numbers: drop temporary buffer in dump_primes()
  drm/xe: switch xe_pagefault_queue_init() to using bitmap_weighted_or()
  ice: use bitmap_empty() in ice_vf_has_no_qs_ena
  ice: use bitmap_weighted_xor() in ice_find_free_recp_res_idx()
  bitmap: introduce bitmap_weighted_xor()
  bitmap: add test_zero_nbits()
  bitmap: exclude nbits == 0 cases from bitmap test
  bitmap: test bitmap_weight() for more
  asm-generic/bitops: Fix a comment typo in instrumented-atomic.h
  bitops: fix kernel-doc parameter name for parity8()
  lib: count_zeros: unify count_{leading,trailing}_zeros()
  lib: count_zeros: fix 32/64-bit inconsistency in count_trailing_zeros()
  lib: crypto: fix comments for count_leading_zeros()
  x86/topology: use bitmap_weight_from()
  bitmap: add bitmap_weight_from()
  lib/find_bit_benchmark: avoid clearing randomly filled bitmap in test_find_first_bit()
  ...

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/crypto/mpi/longlong.h b/lib/crypto/mpi/longlong.h
index b6fa1d08fb55..6d31c3a729f1 100644
--- a/lib/crypto/mpi/longlong.h
+++ b/lib/crypto/mpi/longlong.h
@@ -66,12 +66,12 @@
  * denominator).  Like udiv_qrnnd but the numbers are signed.  The quotient
  * is rounded towards 0.
  *
- * 5) count_leading_zeros(count, x) counts the number of zero-bits from the
+ * 5) count_leading_zeros(x) counts the number of zero-bits from the
  * msb to the first non-zero bit in the UWtype X.  This is the number of
- * steps X needs to be shifted left to set the msb.  Undefined for X == 0,
- * unless the symbol COUNT_LEADING_ZEROS_0 is defined to some value.
+ * steps X needs to be shifted left to set the msb.
+ * count_leading_zeros(0) == BITS_PER_LONG
  *
- * 6) count_trailing_zeros(count, x) like count_leading_zeros, but counts
+ * 6) count_trailing_zeros() like count_leading_zeros(), but counts
  * from the least significant end.
  *
  * 7) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1,