From: Yury Norov <yury.norov@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: Saeed Mahameed <saeedm@nvidia.com>,
Pawel Chmielewski <pawel.chmielewski@intel.com>,
Leon Romanovsky <leon@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
Valentin Schneider <vschneid@redhat.com>,
Tariq Toukan <tariqt@nvidia.com>, Gal Pressman <gal@nvidia.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Heiko Carstens <hca@linux.ibm.com>,
Barry Song <baohua@kernel.org>
Subject: Re: [PATCH 0/8] sched/topology: add for_each_numa_cpu() macro
Date: Mon, 10 Apr 2023 11:09:22 -0700 [thread overview]
Message-ID: <ZDRQ0oyyWYIwGhUP@yury-laptop> (raw)
In-Reply-To: <20230325185514.425745-1-yury.norov@gmail.com>
On Sat, Mar 25, 2023 at 11:55:06AM -0700, Yury Norov wrote:
> for_each_cpu() is widely used in kernel, and it's beneficial to create
> a NUMA-aware version of the macro.
>
> Recently added for_each_numa_hop_mask() works, but switching existing
> codebase to it is not an easy process.
>
> This series adds for_each_numa_cpu(), which is designed to be similar to
> the for_each_cpu(). It allows to convert existing code to NUMA-aware as
> simple as adding a hop iterator variable and passing it inside new macro.
> for_each_numa_cpu() takes care of the rest.
>
> At the moment, we have 2 users of NUMA-aware enumerators. One is
> Melanox's in-tree driver, and another is Intel's in-review driver:
>
> https://lore.kernel.org/lkml/20230216145455.661709-1-pawel.chmielewski@intel.com/
Are there any more comments to the series? If not, I'll address those
shared by Andy and send v2.
Thanks,
Yury
prev parent reply other threads:[~2023-04-10 18:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-25 18:55 [PATCH 0/8] sched/topology: add for_each_numa_cpu() macro Yury Norov
2023-03-25 18:55 ` [PATCH 1/8] lib/find: add find_next_and_andnot_bit() Yury Norov
2023-03-27 10:26 ` Andy Shevchenko
2023-03-25 18:55 ` [PATCH 2/8] sched/topology: introduce sched_numa_find_next_cpu() Yury Norov
2023-03-27 10:28 ` Andy Shevchenko
2023-04-10 18:00 ` Yury Norov
2023-03-25 18:55 ` [PATCH 3/8] sched/topology: add for_each_numa_cpu() macro Yury Norov
2023-04-10 18:05 ` Yury Norov
2023-03-25 18:55 ` [PATCH 4/8] net: mlx5: switch comp_irqs_request() to using for_each_numa_cpu Yury Norov
2023-03-25 18:55 ` [PATCH 5/8] lib/cpumask: update comment to cpumask_local_spread() Yury Norov
2023-03-25 18:55 ` [PATCH 6/8] sched/topology: export sched_domains_numa_levels Yury Norov
2023-03-25 18:55 ` [PATCH 7/8] lib: add test for for_each_numa_{cpu,hop_mask}() Yury Norov
2023-03-25 18:55 ` [RFC PATCH 8/8] sched: drop for_each_numa_hop_mask() Yury Norov
2023-04-10 18:09 ` Yury Norov [this message]
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