Re: [RFC PATCH v2 1/4] rseq: Add sched_state field to struct rseq

From: Peter Zijlstra
Date: Thu Sep 28 2023 - 10:27:09 EST


On Thu, Sep 28, 2023 at 09:20:36AM -0400, Mathieu Desnoyers wrote:

> Of course things are more complicated with PI-futex, is that what you have
> in mind ?

PI futex has to go through the kernel, also, they already spin-wait on
owner.