Subj : [$] A new type of spinlock for the BPF subsystem
To   : All
From : LWN.net
Date : Wed Apr 09 2025 15:45:07

[$] A new type of spinlock for the BPF subsystem

Date:
Wed, 09 Apr 2025 14:33:25 +0000

Description:
The 6.15 merge window saw the inclusion of a new type of lock for BPF 
programs:
a resilient queued spinlock that Kumar Kartikeya Dwivedi has been working on
for some time. Eventually, he hopes to convert all of the spinlocks currently
used in the BPF subsystem to his new lock.
He gave a remote presentation about the design of the lock at the
2025 Linux Storage, Filesystem,
Memory-Management, and BPF summit.

======================================================================
Link to news story:
https://lwn.net/Articles/1016674/


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