Re: [PATCH 2/2] sched/topology: optimize topology_span_sane()
From: Yury Norov
Date: Tue Aug 06 2024 - 14:01:03 EST
On Tue, Aug 06, 2024 at 05:50:23PM +0200, Valentin Schneider wrote:
> On 02/08/24 10:57, Yury Norov wrote:
> > The function may call cpumask_equal with tl->mask(cpu) == tl->mask(i),
> > even when cpu != i.
>
> For which architecture have you observed this? AFAIA all implementations of
> tl->sched_domain_mask_f are built on a per-CPU cpumask.
x86_64, qemu emulating 16 CPUs in 4 nodes, Linux 6.10, approximately
defconfig.