linux-kernel - Re: [PATCH] sched_ext: idle: Skip cross-node search with !CONFIG

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: <aD8_DWecHHKlZyK_@slm.duckdns.org>
Date: Tue, 3 Jun 2025 08:29:33 -1000
From: Tejun Heo <tj@...nel.org>
To: Andrea Righi <arighi@...dia.com>
Cc: David Vernet <void@...ifault.com>, Changwoo Min <changwoo@...lia.com>,
	Yury Norov <yury.norov@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched_ext: idle: Skip cross-node search with !CONFIG_NUMA

On Tue, Jun 03, 2025 at 10:22:01AM +0200, Andrea Righi wrote:
> In the idle CPU selection logic, attempting cross-node searches adds
> unnecessary complexity when CONFIG_NUMA is disabled.
> 
> Since there's no meaningful concept of nodes in this case, simplify the
> logic by restricting the idle CPU search to the current node only.
> 
> Fixes: 48849271e6611 ("sched_ext: idle: Per-node idle cpumasks")
> Signed-off-by: Andrea Righi <arighi@...dia.com>

Applied to sched_ext/for-6.16-fixes.

Thanks.

-- 
tejun