Re: [RFC PATCH 1/2] rseq: extend struct rseq with numa node id

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Subject: Re: [RFC PATCH 1/2] rseq: extend struct rseq with numa node id
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Tue, 1 Feb 2022 12:08:21 +0100
Cc: linux-kernel@xxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, "Paul E . McKenney" <paulmck@xxxxxxxxxx>, Boqun Feng <boqun.feng@xxxxxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, Paul Turner <pjt@xxxxxxxxxx>, linux-api@xxxxxxxxxxxxxxx, Christian Brauner <christian.brauner@xxxxxxxxxx>, Florian Weimer <fw@xxxxxxxxxxxxx>, David.Laight@xxxxxxxxxx, carlos@xxxxxxxxxx, Peter Oskolkov <posk@xxxxxxx>
In-reply-to: <20220131205531.17873-1-mathieu.desnoyers@efficios.com>
References: <20220131205531.17873-1-mathieu.desnoyers@efficios.com>

On Mon, Jan 31, 2022 at 03:55:30PM -0500, Mathieu Desnoyers wrote:

> It is also useful for implementing NUMA-aware user-space mutexes.

That really wants a futex extention..

Follow-Ups:
- Re: [RFC PATCH 1/2] rseq: extend struct rseq with numa node id
  - From: Florian Weimer

References:
- [RFC PATCH 1/2] rseq: extend struct rseq with numa node id
  - From: Mathieu Desnoyers

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