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

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Message-Id: <167891304198.106283.16674521434746961243.b4-ty@kernel.dk>
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