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SubjectRe: [PATCH 1/2] powerpc: drop dependency on <asm/machdep.h> in archrandom.h
On Sun, Jul 24, 2022 at 12:19 AM Yury Norov <yury.norov@gmail.com> wrote:
>
> archrandom.h includes <asm/machdep.h> to refer ppc_md. This causes
> circular header dependency, if generic nodemask.h includes random.h:
>
> In file included from include/linux/cred.h:16,
> from include/linux/seq_file.h:13,
> from arch/powerpc/include/asm/machdep.h:6,
> from arch/powerpc/include/asm/archrandom.h:5,
> from include/linux/random.h:109,
> from include/linux/nodemask.h:97,
> from include/linux/list_lru.h:12,
> from include/linux/fs.h:13,
> from include/linux/compat.h:17,
> from arch/powerpc/kernel/asm-offsets.c:12:
> include/linux/sched.h:1203:9: error: unknown type name 'nodemask_t'
> 1203 | nodemask_t mems_allowed;
> | ^~~~~~~~~~
>
> Fix it by removing <asm/machdep.h> dependency from archrandom.h

...

> EXPORT_SYMBOL_GPL(pm_power_off);

^^^ (Note this and read below)

...

> +EXPORT_SYMBOL(arch_get_random_seed_long);

It can't be like this. Brief browsing of the callees shows that.

--
With Best Regards,
Andy Shevchenko

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