linux-kernel - Re: [patch V3 09/20] cpumask: Cache num_possible

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87sef1tnui.ffs@tglx>
Date: Wed, 29 Oct 2025 22:11:33 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, LKML
 <linux-kernel@...r.kernel.org>
Cc: Peter Zijlstra <peterz@...radead.org>, Gabriele Monaco
 <gmonaco@...hat.com>, Michael Jeanson <mjeanson@...icios.com>, Jens Axboe
 <axboe@...nel.dk>, "Paul E. McKenney" <paulmck@...nel.org>, "Gautham R.
 Shenoy" <gautham.shenoy@....com>, Florian Weimer <fweimer@...hat.com>, Tim
 Chen <tim.c.chen@...el.com>, Yury Norov <yury.norov@...il.com>, Shrikanth
 Hegde <sshegde@...ux.ibm.com>
Subject: Re: [patch V3 09/20] cpumask: Cache num_possible_cpus()

On Wed, Oct 29 2025 at 11:54, Mathieu Desnoyers wrote:
> On 2025-10-29 09:09, Thomas Gleixner wrote:
> [...]
>>   
>> +void set_cpu_possible(unsigned int cpu, bool possible)
>
> Unless I'm missing something, I suspect that "set_cpu_possible()" should
> be marked as __init.

Good point!