linux-kernel - Re: [PATCH v4 0/3] bitmap: introduce find_random

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Message-ID: <87frfup01o.ffs@tglx>
Date: Fri, 20 Jun 2025 23:37:07 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Yury Norov <yury.norov@...il.com>, linux-kernel@...r.kernel.org, "Yury
 Norov [NVIDIA]" <yury.norov@...il.com>, Rasmus Villemoes
 <linux@...musvillemoes.dk>, John Stultz <jstultz@...gle.com>, Stephen Boyd
 <sboyd@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v4 0/3] bitmap: introduce find_random_bit() and use in
 clocksource

On Thu, Jun 19 2025 at 14:26, Yury Norov wrote:
> nodemasks implement node_random(), which may also be useful for other
> subsystems. Generalize the function, and propagate to cpumask API.
>
> v1: https://lore.kernel.org/all/20250604212125.25656-1-yury.norov@gmail.com/
> v2: https://lore.kernel.org/all/20250608194536.28130-1-yury.norov@gmail.com/
> v3: https://lore.kernel.org/all/20250617200854.60753-1-yury.norov@gmail.com/
> v4: return NUMA_NO_NODES instead of MAX_NUMNODES in node_random() (Andrew)
>
> Yury Norov [NVIDIA] (3):
>   bitmap: generalize node_random()
>   cpumask: introduce cpumask_random()
>   clocksource: Improve randomness in clocksource_verify_choose_cpus()

Assuming this goes through the bitmap tree, for the clocksource change:

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>