linux-kernel - Re: [PATCH tip v8] x86/setup: Use rng seeds from setup

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Message-ID: <YslPKbrmwF0uSm7p@zn.tnic>
Date:   Sat, 9 Jul 2022 11:49:29 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "H. Peter Anvin" <hpa@...or.com>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>
Subject: Re: [PATCH tip v8] x86/setup: Use rng seeds from setup_data

On Fri, Jul 08, 2022 at 06:51:16PM -0700, H. Peter Anvin wrote:
> #define SETUP_ENUM_MAX	SETUP_RNG_SEED
> #define SETUP_INDIRECT	(1<<31)
> #define SETUP_TYPE_MAX	(SETUP_ENUM_MAX | SETUP_INDIRECT)

Wait, if we get to add a new number, SETUP_ENUM_MAX and thus
SETUP_TYPE_MAX will change. And they're uapi too...

-- 
Regards/Gruss,
    Boris.

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