linux-kernel - Re: [PATCH v4 04/11] mips: use fallback for random_get

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Message-ID: <YmUHBKPC0bAbs4Vj@zx2c4.com>
Date:   Sun, 24 Apr 2022 10:15:00 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     "Maciej W. Rozycki" <macro@...am.me.uk>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Arnd Bergmann <arnd@...db.de>, Theodore Ts'o <tytso@....edu>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "David S . Miller" <davem@...emloft.net>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Johannes Berg <johannes@...solutions.net>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H . Peter Anvin" <hpa@...or.com>, Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>,
        John Stultz <john.stultz@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Dinh Nguyen <dinguyen@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        "open list:BROADCOM NVRAM DRIVER" <linux-mips@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        sparclinux@...r.kernel.org, linux-um@...ts.infradead.org,
        X86 ML <x86@...nel.org>, linux-xtensa@...ux-xtensa.org
Subject: Re: [PATCH v4 04/11] mips: use fallback for random_get_entropy()
 instead of zero

On Sun, Apr 24, 2022 at 12:33:44AM +0100, Maciej W. Rozycki wrote:
> unconditionally.  I think this discovery asks for code optimisation, which 
> I'll try to cook up sometime.

At some point too, by the way, we might also consider putting that into
a .c file rather than a static inline in the .h, since that function is
starting to get sort of big.

Jason