From: Jens Axboe <[email protected]>
To: io-uring <[email protected]>
Subject: Re: [PATCH] io_uring/poll: fix upper bits poll updating
Date: Wed, 13 Mar 2024 16:08:04 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 3/13/24 3:26 PM, Jens Axboe wrote:
> If IORING_POLL_UPDATE_EVENTS is used to updated the mask of a pending
> poll request, then we mask off the bottom 16 bits and mask in the new
> ones. But this prevents updating higher entry bits, which wasn't the
> intent.
>
> Rather than play masking games, simply overwrite the existing poll
> entry mask with the new one.
This can't work, some of the upper flags will decide state. So just
disregard this one!
--
Jens Axboe
prev parent reply other threads:[~2024-03-13 22:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-13 21:26 [PATCH] io_uring/poll: fix upper bits poll updating Jens Axboe
2024-03-13 22:08 ` Jens Axboe [this message]
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