From: Heiko Carstens <hca@linux•ibm.com>
To: "Jason A. Donenfeld" <Jason@zx2c4•com>
Cc: linux-kernel@vger•kernel.org, patches@lists•linux.dev,
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Subject: Re: [PATCH v6 4/7] treewide: use get_random_{u8,u16}() when possible, part 2
Date: Tue, 11 Oct 2022 11:59:41 +0200 [thread overview]
Message-ID: <Y0U+jRHiYFXTYIN7@osiris> (raw)
In-Reply-To: <20221010230613.1076905-5-Jason@zx2c4.com>
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@linuxfoundation•org>
> Reviewed-by: Kees Cook <keescook@chromium•org>
> Reviewed-by: Yury Norov <yury.norov@gmail•com>
> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4•com>
> ---
> arch/s390/kernel/process.c | 2 +-
For s390:
Acked-by: Heiko Carstens <hca@linux•ibm.com>
next prev parent reply other threads:[~2022-10-11 10:01 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-10 23:06 [PATCH v6 0/7] treewide cleanup of random integer usage Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 1/7] treewide: use prandom_u32_max() when possible, part 1 Jason A. Donenfeld
2022-10-11 9:58 ` Heiko Carstens
2022-10-10 23:06 ` [PATCH v6 2/7] treewide: use prandom_u32_max() when possible, part 2 Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 3/7] treewide: use get_random_{u8,u16}() when possible, part 1 Jason A. Donenfeld
2022-10-11 1:18 ` Elliott, Robert (Servers)
2022-10-11 3:00 ` Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 4/7] treewide: use get_random_{u8,u16}() when possible, part 2 Jason A. Donenfeld
2022-10-11 9:59 ` Heiko Carstens [this message]
2022-10-10 23:06 ` [PATCH v6 5/7] treewide: use get_random_u32() when possible Jason A. Donenfeld
2022-10-11 9:14 ` Rolf Eike Beer
2022-10-11 19:20 ` Jason A. Donenfeld
2022-10-11 10:00 ` Heiko Carstens
2022-10-13 9:25 ` Rolf Eike Beer
2022-10-13 10:16 ` Florian Westphal
2022-10-13 11:40 ` Rolf Eike Beer
2022-10-13 16:21 ` Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 6/7] treewide: use get_random_bytes() " Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 7/7] prandom: remove unused functions Jason A. Donenfeld
2022-10-11 23:01 ` [PATCH v6 0/7] treewide cleanup of random integer usage Jakub Kicinski
2022-10-17 11:59 ` liulongfang
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