linux-kernel - Re: [PATCH v4 3/3] m68k: generate new RNG seed on reboot

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Message-ID: <YzL2AXQeVC4XvPPf@zx2c4.com>
Date:   Tue, 27 Sep 2022 15:09:21 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org,
        Laurent Vivier <laurent@...ier.eu>
Subject: Re: [PATCH v4 3/3] m68k: generate new RNG seed on reboot

On Mon, Sep 26, 2022 at 03:13:01PM +0200, Jason A. Donenfeld wrote:
> Hi Geert,
> 
> On Mon, Sep 26, 2022 at 1:38 PM Jason A. Donenfeld <Jason@...c4.com> wrote:
> >
> > Rather than rebooting into a system with no entropy, regenerate the RNG
> > seed before rebooting, so that the new system has a fresh seed.
> >
> > Fixes: a1ee38ab1a75 ("m68k: virt: Use RNG seed from bootinfo block")
> > Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
> 
> Laurent made a compelling case *against* this approach. So feel free
> to drop this 3/3 patch. However, 1/3 and 2/3 should still be
> committed.

For Geert's ease, I'll send a v5 with 3/3 dropped.

Jason