linux-kernel - Re: [PATCH] io_uring: One wqe per wq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Wed, 15 Mar 2023 14:44:01 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     asml.silence@...il.com, io-uring@...r.kernel.org,
        Breno Leitao <leitao@...ian.org>
Cc:     leit@...com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] io_uring: One wqe per wq


On Fri, 10 Mar 2023 12:11:07 -0800, Breno Leitao wrote:
> Right now io_wq allocates one io_wqe per NUMA node.  As io_wq is now
> bound to a task, the task basically uses only the NUMA local io_wqe, and
> almost never changes NUMA nodes, thus, the other wqes are mostly
> unused.
> 
> Allocate just one io_wqe embedded into io_wq, and uses all possible cpus
> (cpu_possible_mask) in the io_wqe->cpumask.
> 
> [...]

Applied, thanks!

[1/1] io_uring: One wqe per wq
      commit: c122b27ea454f5f8ed3066964c67e9aea4e11fc8

Best regards,
-- 
Jens Axboe