Subj : [$] A proxy-execution baby step
To   : All
From : LWN.net
Date : Tue Jul 29 2025 15:15:08

[$] A proxy-execution baby step

Date:
Tue, 29 Jul 2025 14:13:49 +0000

Description:
Priority inversion comes about when a low-priority task holds a resource
that is also needed by a high-priority task, preventing the latter from
running.  This problem is made much worse if the low-priority task is
unable to gain access to the CPU and, as a result, cannot complete its work
and free the resources it holds.  Proxy execution is a potential solution
to this problem, but it is a complex solution that has been under
development for several years; LWN first looked
at it in 2020.  The 6.17 kernel is likely to contain an important step
forward for this long-running project.

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Link to news story:
https://lwn.net/Articles/1030842/


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