linux-kernel - Re: random(4) changes

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Message-ID: <20160426204709.GH13997@two.firstfloor.org>
Date:	Tue, 26 Apr 2016 13:47:09 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Theodore Ts'o <tytso@....edu>, smueller@...onox.de,
	sandyinchina@...il.com, linux-kernel@...r.kernel.org,
	linux-crypto@...r.kernel.org, jason@...edaemon.net, jsd@...n.com,
	hpa@...or.com, andi@...stfloor.org
Subject: Re: random(4) changes

On Tue, Apr 26, 2016 at 07:04:15PM +0800, Herbert Xu wrote:
> Theodore Ts'o <tytso@....edu> wrote:
> >
> > Yet another difference which I've noticed as I've been going over the
> > patches is that that since it relies on CRYPTO_DRBG, it drags in a
> > fairly large portion of the crypto subsystem, and requires it to be
> > compiled into the kernel (instead of being loaded as needed as a
> > module).  So the people who are worrying about keeping the kernel on a
> > diet aren't going to be particularly happy about this.
> 
> As the IPv4 stack now selects CRYPTO_AES, the crypto system will
> be pulled into your kernel anyway unless you can live without IPv4.

I posted patches to fix this. At some point it definitely has to be.

-Andi