Re: [PATCH 12/14] ARM: add CONFIG_PHYS_OFFSET default values
From: Linus Walleij
Date: Tue Sep 28 2021 - 17:44:26 EST
On Tue, Sep 28, 2021 at 5:42 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> For platforms that are not yet converted to ARCH_MULTIPLATFORM,
> we can disable CONFIG_ARM_PATCH_PHYS_VIRT, which in turn requires
> setting a correct address here.
> As we actualy know what all the values are supposed to be based
> on the old mach/memory.h header file contents (from git history),
> we can just add them here.
> This also solves a problem in Kconfig where 'make randconfig'
> fails to continue if no number is selected for a 'hex' option.
> Users can still override the number at configuration time, e.g.
> when the memory visible to the kernel starts at a nonstandard
> address on some machine, but it should no longer be required
> I originally posted this back in 2016, but the problem still
> persists. The patch has gotten much simpler though, as almost
> all platforms rely on ARM_PATCH_PHYS_VIRT now.
> Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>
> Link: https://lore.kernel.org/linux-arm-kernel/1455804123-2526139-5-git-send-email-arnd@xxxxxxxx/
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
BTW thanks for this very nice cleanup patch set!