Subj : [$] BPF and io_uring, two different ways
To   : All
From : LWN.net
Date : Thu Nov 20 2025 15:45:08

[$] BPF and io_uring, two different ways

Date:
Thu, 20 Nov 2025 15:39:33 +0000

Description:
BPF allows programs uploaded from user space to be run, safely, within the
kernel.  The io_uring subsystem, too, can be thought of as a way of loading
programs in the kernel, though the programs in question are mostly a
sequence of I/O-related system calls.  It has sometimes seemed inevitable
that io_uring would, like many other parts of the kernel, gain BPF
capabilities as a way of providing more flexibility to user space.  That
has not yet happened, but there are currently two patches sets under
consideration that take different approaches to the problem.

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Link to news story:
https://lwn.net/Articles/1046950/


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