linux-kernel - Re: [PATCH 0/7] RDMA: hfi1: cpumasks usage fixes

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Message-ID: <aFbJpqbP-tU4q84P@yury>
Date: Sat, 21 Jun 2025 11:03:02 -0400
From: Yury Norov <yury.norov@...il.com>
To: Leon Romanovsky <leon@...nel.org>
Cc: Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] RDMA: hfi1: cpumasks usage fixes

On Thu, Jun 12, 2025 at 11:12:29AM +0300, Leon Romanovsky wrote:
> On Wed, Jun 04, 2025 at 03:39:36PM -0400, Yury Norov wrote:
> > The driver uses cpumasks API in a non-optimal way; partially because of
> > absence of proper functions. Fix this and nearby logic.
> > 
> > Yury Norov [NVIDIA] (7):
> >   cpumask: add cpumask_clear_cpus()
> >   RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask()
> >   RDMA: hfi1: simplify find_hw_thread_mask()
> >   RDMA: hfi1: simplify init_real_cpu_mask()
> >   RDMA: hfi1: use rounddown in find_hw_thread_mask()
> >   RDMA: hfi1: simplify hfi1_get_proc_affinity()
> >   RDMI: hfi1: drop cpumask_empty() call in hfi1/affinity.c
> > 
> >  drivers/infiniband/hw/hfi1/affinity.c | 96 +++++++++++----------------
> >  include/linux/cpumask.h               | 12 ++++
> >  2 files changed, 49 insertions(+), 59 deletions(-)
> 
> Dennis?

So?.. Any feedback?