Re: [PATCH v2] random: do not include <asm/archrandom.h> from random.h

[Christophe Leroy <christophe.leroy@csgroup.eu>]

Le 29/10/2022 à 03:08, Jason A. Donenfeld a écrit :
> The <asm/archrandom.h> header is a random.c private detail, not
> something to be called by other code. As such, don't make it
> automatically available by way of random.h.
> 
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Heiko Carstens <hca@linux.ibm.com>
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: linux-s390@vger.kernel.org
> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

For powerpc,

Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>

> ---
>   arch/powerpc/kernel/setup-common.c | 1 +
>   arch/s390/kernel/setup.c           | 1 +
>   drivers/char/random.c              | 1 +
>   include/linux/random.h             | 2 --
>   4 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
> index 6d041993a45d..9b10e57040c6 100644
> --- a/arch/powerpc/kernel/setup-common.c
> +++ b/arch/powerpc/kernel/setup-common.c
> @@ -59,6 +59,7 @@
>   #include <asm/xmon.h>
>   #include <asm/cputhreads.h>
>   #include <mm/mmu_decl.h>
> +#include <asm/archrandom.h>
>   #include <asm/fadump.h>
>   #include <asm/udbg.h>
>   #include <asm/hugetlb.h>
> diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
> index ab19ddb09d65..b53a45735a5d 100644
> --- a/arch/s390/kernel/setup.c
> +++ b/arch/s390/kernel/setup.c
> @@ -52,6 +52,7 @@
>   #include <linux/hugetlb.h>
>   #include <linux/kmemleak.h>
>   
> +#include <asm/archrandom.h>
>   #include <asm/boot_data.h>
>   #include <asm/ipl.h>
>   #include <asm/facility.h>
> diff --git a/drivers/char/random.c b/drivers/char/random.c
> index e3cf4f51ed58..a7afd17db075 100644
> --- a/drivers/char/random.c
> +++ b/drivers/char/random.c
> @@ -55,6 +55,7 @@
>   #include <linux/siphash.h>
>   #include <crypto/chacha.h>
>   #include <crypto/blake2s.h>
> +#include <asm/archrandom.h>
>   #include <asm/processor.h>
>   #include <asm/irq.h>
>   #include <asm/irq_regs.h>
> diff --git a/include/linux/random.h b/include/linux/random.h
> index 2bdd3add3400..47e7cf126e8f 100644
> --- a/include/linux/random.h
> +++ b/include/linux/random.h
> @@ -151,8 +151,6 @@ declare_get_random_var_wait(long, unsigned long)
>    */
>   #include <linux/prandom.h>
>   
> -#include <asm/archrandom.h>
> -
>   #ifdef CONFIG_SMP
>   int random_prepare_cpu(unsigned int cpu);
>   int random_online_cpu(unsigned int cpu);