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SubjectRe: [PATCH 18/54] drivers/infiniband: replace cpumask_weight with cpumask_empty where appropriate
On Sun, Jan 23, 2022 at 10:38:49AM -0800, Yury Norov wrote:
> drivers/infiniband/hw/hfi1/affinity.c code calls cpumask_weight() to check
> if any bit of a given cpumask is set. We can do it more efficiently with
> cpumask_empty() because cpumask_empty() stops traversing the cpumask as
> soon as it finds first set bit, while cpumask_weight() counts all bits
> unconditionally.
>
> Signed-off-by: Yury Norov <yury.norov@gmail.com>
> ---
> drivers/infiniband/hw/hfi1/affinity.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

Except that title needs to be: "RDMA/hfi: ....", the change looks ok.

Thanks,
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>

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