From: Jens Axboe <axboe@kernel.dk>
To: io-uring@vger.kernel.org, Pavel Begunkov <asml.silence@gmail.com>
Subject: Re: [PATCH v2 1/1] io_uring: delay sqarray static branch disablement
Date: Sun, 15 Feb 2026 15:13:31 -0700 [thread overview]
Message-ID: <177119361123.79392.3562541510878676890.b4-ty@kernel.dk> (raw)
In-Reply-To: <0837f85d2d0beb1ab012812bd373cbdbc3d71551.1771193194.git.asml.silence@gmail.com>
On Sun, 15 Feb 2026 22:06:52 +0000, Pavel Begunkov wrote:
> io_key_has_sqarray static branch can be easily switched on/off by the
> user every time patching the kernel. That can be very disruptive as it
> might require heavy synchronisation across all CPUs. Use deferred static
> keys, which can rate-limit it by deferring, batching and potentially
> effectively eliminating dec+inc pairs.
>
>
> [...]
Applied, thanks!
[1/1] io_uring: delay sqarray static branch disablement
commit: 56112578c71213a10c995a56835bddb5e9ab1ed0
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2026-02-15 22:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-15 22:06 [PATCH v2 1/1] io_uring: delay sqarray static branch disablement Pavel Begunkov
2026-02-15 22:13 ` Jens Axboe [this message]
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