[PATCH v6 4/7] treewide: use get_random_{u8,u16}() when possible, part 2

Heiko Carstens hca at linux.ibm.com
Tue Oct 11 02:59:41 PDT 2022


On Mon, Oct 10, 2022 at 05:06:10PM -0600, Jason A. Donenfeld wrote:
> Rather than truncate a 32-bit value to a 16-bit value or an 8-bit value,
> simply use the get_random_{u8,u16}() functions, which are faster than
> wasting the additional bytes from a 32-bit value. This was done by hand,
> identifying all of the places where one of the random integer functions
> was used in a non-32-bit context.
> 
> Reviewed-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Reviewed-by: Kees Cook <keescook at chromium.org>
> Reviewed-by: Yury Norov <yury.norov at gmail.com>
> Signed-off-by: Jason A. Donenfeld <Jason at zx2c4.com>
> ---
>  arch/s390/kernel/process.c     | 2 +-

For s390:
Acked-by: Heiko Carstens <hca at linux.ibm.com>



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