Re: cpumask: re-introduce constant-sized cpumask optimizations

From: Geert Uytterhoeven
Date: Mon Mar 06 2023 - 15:19:17 EST


Hi Linus,

On Mon, Mar 6, 2023 at 8:19 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Mon, Mar 6, 2023 at 3:20 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> > Your final commit 596ff4a09b898179 ("cpumask: re-introduce
> > constant-sized cpumask optimizations") in v6.3-rc1 introduced a
> > regression. During Debian userspace startup, the kernel crashes with:
>
> I'm pretty sure the attached patch should fix it. If you can confirm,
> that would be lovely.

Thanks, works fine again!
Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds