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SubjectRe: linux-parisc compile failure in current git
Hi,

On 8/19/22 10:58, Helge Deller wrote:
> * Masahiro Yamada <masahiroy@kernel.org>:
>>
>> Then, you can mimic sparc code.

Good idea.

> The patch below fixes it nicely and I've pushed it into the parisc
> for-next git tree.
>
> @Randy: Maybe you could try it as well. With that approach
> you get what you want. Maybe that's a better approach for riscv64 as
> well?

I like this one better than the earlier attempt.
It's more generic.


> From a529c0a388f74a243363976af8535b10d3d69d20 Mon Sep 17 00:00:00 2001
> From: Helge Deller <deller@gmx.de>
> Date: Fri, 19 Aug 2022 19:30:50 +0200
> Subject: [PATCH] parisc: Enable CONFIG_64BIT for ARCH=parisc64 only
>
> With this patch the ARCH= parameter decides if the
> CONFIG_64BIT option will be set or not. This means, the
> ARCH= parameter will give:
>
> ARCH=parisc -> 32-bit kernel
> ARCH=parisc64 -> 64-bit kernel
>
> This simplifies the usage of the other config options like
> randconfig, allmodconfig and allyesconfig a lot and produces
> the output which is expected for parisc64 (64-bit) vs. parisc (32-bit).
>
> Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
> Signed-off-by: Helge Deller <deller@gmx.de>
>
> diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
> index 7f059cd1196a..9aede2447011 100644
> --- a/arch/parisc/Kconfig
> +++ b/arch/parisc/Kconfig
> @@ -146,10 +146,10 @@ menu "Processor type and features"
>
> choice
> prompt "Processor type"
> - default PA7000
> + default PA7000 if "$(ARCH)" = "parisc"
>
> config PA7000
> - bool "PA7000/PA7100"
> + bool "PA7000/PA7100" if "$(ARCH)" = "parisc"
> help
> This is the processor type of your CPU. This information is
> used for optimizing purposes. In order to compile a kernel
> @@ -160,21 +160,21 @@ config PA7000
> which is required on some machines.
>
> config PA7100LC
> - bool "PA7100LC"
> + bool "PA7100LC" if "$(ARCH)" = "parisc"
> help
> Select this option for the PCX-L processor, as used in the
> 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748,
> D200, D210, D300, D310 and E-class
>
> config PA7200
> - bool "PA7200"
> + bool "PA7200" if "$(ARCH)" = "parisc"
> help
> Select this option for the PCX-T' processor, as used in the
> C100, C110, J100, J110, J210XC, D250, D260, D350, D360,
> K100, K200, K210, K220, K400, K410 and K420
>
> config PA7300LC
> - bool "PA7300LC"
> + bool "PA7300LC" if "$(ARCH)" = "parisc"
> help
> Select this option for the PCX-L2 processor, as used in the
> 744, A180, B132L, B160L, B180L, C132L, C160L, C180L,
> @@ -224,17 +224,8 @@ config MLONGCALLS
> Enabling this option will probably slow down your kernel.
>
> config 64BIT
> - bool "64-bit kernel"
> + def_bool "$(ARCH)" = "parisc64"
> depends on PA8X00
> - help
> - Enable this if you want to support 64bit kernel on PA-RISC platform.
> -
> - At the moment, only people willing to use more than 2GB of RAM,
> - or having a 64bit-only capable PA-RISC machine should say Y here.
> -
> - Since there is no 64bit userland on PA-RISC, there is no point to
> - enable this option otherwise. The 64bit kernel is significantly bigger
> - and slower than the 32bit one.
>
> choice
> prompt "Kernel page size"

LGTM.
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>


Thanks.
--
~Randy

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