Re: [PATCH v5] random: remove CONFIG_ARCH_RANDOM

From: Michael Ellerman <mpe@ellerman.id.au>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	linux-arm-kernel@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Heiko Carstens <hca@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@suse.de>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>
Subject: Re: [PATCH v5] random: remove CONFIG_ARCH_RANDOM
Date: Mon, 18 Jul 2022 22:53:38 +1000	[thread overview]
Message-ID: <877d4aeg4t.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <20220708004032.733426-1-Jason@zx2c4.com>

"Jason A. Donenfeld" <Jason@zx2c4.com> writes:
> When RDRAND was introduced, there was much discussion on whether it
> should be trusted and how the kernel should handle that. Initially, two
> mechanisms cropped up, CONFIG_ARCH_RANDOM, a compile time switch, and
> "nordrand", a boot-time switch.
...
>
>  arch/arm/include/asm/archrandom.h             |  2 ++
>  arch/arm64/Kconfig                            |  8 ------
>  arch/arm64/include/asm/archrandom.h           | 10 --------
>  arch/arm64/kernel/cpufeature.c                |  2 --
>  arch/powerpc/Kconfig                          |  3 ---
>  arch/powerpc/include/asm/archrandom.h         |  3 ---
>  arch/powerpc/include/asm/machdep.h            |  2 --
>  arch/powerpc/platforms/microwatt/Kconfig      |  1 -
>  arch/powerpc/platforms/powernv/Kconfig        |  1 -
>  arch/powerpc/platforms/pseries/Kconfig        |  1 -

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

cheers