linux-kernel - Re: [PATCH 8/8] io_uring: skip redundant poll wakeups

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Message-ID: <CAKPOu+-SYVHAWbLgrih338E_wCyOqEqA3cBHXf3qa-Xbx43hgg@mail.gmail.com>
Date: Fri, 31 Jan 2025 18:16:19 +0100
From: Max Kellermann <max.kellermann@...os.com>
To: Pavel Begunkov <asml.silence@...il.com>
Cc: axboe@...nel.dk, io-uring@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/8] io_uring: skip redundant poll wakeups

On Fri, Jan 31, 2025 at 2:54 PM Pavel Begunkov <asml.silence@...il.com> wrote:
>                                  |     // it's still 0, wake up is lost

I think I misunderstood how these polling functions in the kernel work
- thanks for the explanation, Pavel. This one patch is indeed flawed,
and I'll try to come up with something better.