linux-kernel - Re: [PATCH bpf-next v2 00/26] Resilient Queued Spin Lock

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Message-ID: <20250210094918.GF10324@noisy.programming.kicks-ass.net>
Date: Mon, 10 Feb 2025 10:49:18 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Kumar Kartikeya Dwivedi <memxor@...il.com>
Cc: bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Will Deacon <will@...nel.org>, Waiman Long <llong@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Andrii Nakryiko <andrii@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Martin KaFai Lau <martin.lau@...nel.org>,
	Eduard Zingerman <eddyz87@...il.com>,
	"Paul E. McKenney" <paulmck@...nel.org>, Tejun Heo <tj@...nel.org>,
	Barret Rhoden <brho@...gle.com>, Josh Don <joshdon@...gle.com>,
	Dohyun Kim <dohyunkim@...gle.com>,
	linux-arm-kernel@...ts.infradead.org, kernel-team@...a.com
Subject: Re: [PATCH bpf-next v2 00/26] Resilient Queued Spin Lock

On Thu, Feb 06, 2025 at 02:54:08AM -0800, Kumar Kartikeya Dwivedi wrote:
> Changelog:
> ----------
> v1 -> v2
> v1: https://lore.kernel.org/bpf/20250107140004.2732830-1-memxor@gmail.com
> 
>  * Address nits from Waiman and Peter
>  * Fix arm64 WFE bug pointed out by Peter.

What's the state of that smp_cond_relaxed_timeout() patch-set? That
still seems like what you're needing, right?