[PATCH v3 1/2] ARM: ioremap: Sync PGDs for VMALLOC shadow

[Linus Walleij]

On Tue, Oct 29, 2024 at 4:03 PM Clement LE GOFFIC
<clement.legoffic at foss.st.com> wrote:

> I have tested your patches against few kernel versions without
> reproducing the issue.
> - b6506981f880^
> - v6.6.48
> - v6.12-rc4
> I didn't touch to CONFIG_VMAP_STACK though.
>
> The main difference from my crash report is my test environment which
> was a downstream one.
>
> So it seems related to ST downstream kernel version based on a v6.6.48.
> Even though the backtrace was talking about unwinding and kasan.
>
> I will continue to investigate on my side in the next weeks but I don't
> want to block the patch integration process if I was.

I think we can assume that the patches we have queued in Russells
patch tracker at least don't make things worse, so let's merge those
and then see if there is more fallout we need to dig into as you test.

Thanks Clement!

Yours,
Linus Walleij