Re: [PATCH v2 2/5] ACPI / boot: Correct address space of __acpi_map_table()

From: Andy Shevchenko
Date: Tue Jul 18 2017 - 05:23:26 EST


On Tue, 2017-07-18 at 11:03 +0200, Geert Uytterhoeven wrote:
> Hi Andy,
>
> On Mon, Jul 17, 2017 at 12:24 PM, Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> > Sparse complains about wrong address space used in
> > __acpi_map_table()
> > and in __acpi_unmap_table().
> >
> > arch/x86/kernel/acpi/boot.c:127:29: warning: incorrect type in
> > return expression (different address spaces)
> > arch/x86/kernel/acpi/boot.c:127:29:ÂÂÂÂexpected char *
> > arch/x86/kernel/acpi/boot.c:127:29:ÂÂÂÂgot void [noderef] <asn:2>*
> > arch/x86/kernel/acpi/boot.c:135:23: warning: incorrect type in
> > argument 1 (different address spaces)
> > arch/x86/kernel/acpi/boot.c:135:23:ÂÂÂÂexpected void [noderef]
> > <asn:2>*addr
> > arch/x86/kernel/acpi/boot.c:135:23:ÂÂÂÂgot char *map
> >
> > Correct address space to be in align of type of returned and passed
> > parameter.
> >
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > ---
> > Âarch/arm64/kernel/acpi.cÂÂÂÂ| 4 ++--
>
> Thanks for the update!
> I can confirm this fixes the arm64 build for me.

Thanks to you and thanks to kbuild bot to check for ia64!

I will send v3 soon with fixed this part and extended patch 5.

--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy