Re: [PATCH v1] um: fix incompatible argument type in iounmap()

[Geert Uytterhoeven]

Hi Miguel,

CC arnd

On Wed, 9 Apr 2025 at 16:48, Miguel Ojeda
<miguel.ojeda.sandonis@xxxxxxxxx> wrote:
> On Wed, Apr 9, 2025 at 8:16 AM FUJITA Tomonori
> <fujita.tomonori@xxxxxxxxx> wrote:
> >
> > Align iounmap() signature with other architectures.
>
> Most indeed have `volatile`, but nios2 and m68k don't -- Cc'ing them
> just in case.

Indeed. Apparently the volatile keyword has not always been there...
Why does iounmap() need the volatile keyword?
Why does pci_iounmap() not have the volatile keyword?

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