netdev - Re: [DRAFT PATCH] random32: make prandom

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Message-ID: <20200820043323.GA21461@1wt.eu>
Date:   Thu, 20 Aug 2020 06:33:23 +0200
From:   Willy Tarreau <w@....eu>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     Eric Dumazet <edumazet@...gle.com>, George Spelvin <lkml@....org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Amit Klein <aksecurity@...il.com>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        Andy Lutomirski <luto@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>, netdev@...r.kernel.org
Subject: Re: [DRAFT PATCH] random32: make prandom_u32() output unpredictable

On Thu, Aug 20, 2020 at 05:05:49AM +0200, Sedat Dilek wrote:
> We have the same defines for K0 and K1 in include/linux/prandom.h and
> lib/random32.c?
> More room for simplifications?

Definitely, I'm not surprized at all. As I said, the purpose was to
discuss around the proposal, not much more. If we think it's the way
to go, some major lifting is required. I just don't want to invest
significant time on this if nobody cares.

Thanks!
Willy