| Date | Fri, 11 Feb 2022 15:10:27 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH 19/49] RDMA/hfi: replace cpumask_weight with cpumask_empty where appropriate |
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On Thu, Feb 10, 2022 at 02:49:03PM -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> > Reviewed-by: Leon Romanovsky <leonro@nvidia.com> > --- > drivers/infiniband/hw/hfi1/affinity.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
Applied to the rdma tree
Thanks, Jason
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