linux-kernel - Re: [PATCH] arm64: kaslr: Use standard early random function

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Message-ID: <CAHk-=whTGZ2hVGP-UXVW2q2AtQh+gWOeCvasDm1Z4+g5+grkmg@mail.gmail.com>
Date:   Thu, 6 Aug 2020 19:17:41 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Daniel Díaz <daniel.diaz@...aro.org>,
        "Theodore Ts'o" <tytso@....edu>, Qian Cai <cai@....pw>,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH] arm64: kaslr: Use standard early random function

On Thu, Aug 6, 2020 at 5:49 PM Guenter Roeck <linux@...ck-us.net> wrote:
>
> Use arch_get_random_seed_long_early() instead of arm64 specific functions
> to solve the problem. As a side effect of this change, the code no longer
> bypasses ARCH_RANDOM, which I consider desirable (after all, ARCH_RANDOM
> was disabled for a reason).

This patch looks sane to me, but let's see what the arm64 people say
in case they have preferences..

                Linus