Re: [PATCH v3 0/6] lib: Extend bitmap find binary operations

[Yury Norov]

On Fri, Aug 30, 2024 at 03:10:37PM -0400, Mathieu Desnoyers wrote:
> Extend bitmap find.h and cpumask.h with additional binary operations
> such as "nor".
> 
> Also extend the testing and benchmark coverage of those bitmap find with
> binary operations.
> 
> This is useful for NUMA-aware rseq concurrency IDs which depend on this
> series. The series can be found at:
> 
> https://lore.kernel.org/lkml/20240823185946.418340-1-mathieu.desnoyers@xxxxxxxxxxxx/
> 

Added in bitmap-for-next for testing.

Thanks,
Yury

> 
> Mathieu Desnoyers (6):
>   lib: Clarify comment on top of find_next_andnot_bit
>   lib: Implement find_{first,next,nth}_nor_bit, for_each_nor_bit,
>     find_first_andnot_bit
>   lib: test bitmap sets binary operation iterators
>   lib: Fix test_find_first_and_bit and test_find_next_and_bit benchmark
>   lib: benchmark bitmap sets binary operation find
>   cpumask: Implement cpumask_{first,next}_{nor,andnot}
> 
>  include/linux/cpumask.h  |  60 ++++++++++++++++
>  include/linux/find.h     | 124 +++++++++++++++++++++++++++++++--
>  lib/find_bit.c           |  36 ++++++++++
>  lib/find_bit_benchmark.c | 143 +++++++++++++++++++++++++++++++++------
>  lib/test_bitmap.c        |  81 ++++++++++++++++++++++
>  5 files changed, 418 insertions(+), 26 deletions(-)
> 
> -- 
> 2.39.2