From: Sasha Levin <sashal@kernel.org>
To: "Rantala, Tommi T. (Nokia - FI/Espoo)" <tommi.t.rantala@nokia.com>
Cc: "stable@vger.kernel.org" <stable@vger.kernel.org>,
"keescook@chromium.org" <keescook@chromium.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"tytso@mit.edu" <tytso@mit.edu>
Subject: Re: 4.14 "random: add a config option to trust the CPU's hwrng"
Date: Wed, 6 Feb 2019 14:26:13 -0500 [thread overview]
Message-ID: <20190206192613.GB4119@sasha-vm> (raw)
In-Reply-To: <b6532199f855e48fa53b8c3725a2eb93f949b32a.camel@nokia.com>
On Wed, Feb 06, 2019 at 11:44:36AM +0000, Rantala, Tommi T. (Nokia - FI/Espoo) wrote:
>Hi stable maintainers,
>
>Can you consider including these "random" patches in 4.14.y?
>
>These are very useful in fixing esp. first-bootup delays of VMs due to
>entropy starvation.
>
>
>commit 39a8883a2b989d1d21bd8dd99f5557f0c5e89694
>Author: Theodore Ts'o <tytso@mit.edu>
>Date: Tue Jul 17 18:24:27 2018 -0400
>
> random: add a config option to trust the CPU's hwrng
>
>commit 9b25436662d5fb4c66eb527ead53cab15f596ee0
>Author: Kees Cook <keescook@chromium.org>
>Date: Mon Aug 27 14:51:54 2018 -0700
>
> random: make CPU trust a boot parameter
This really looks like a new feature to me. The "old" behaviour of not
trusting RDRAND-like randomness was by-design rather than an oversight.
--
Thanks,
Sasha
next prev parent reply other threads:[~2019-02-06 19:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-06 11:44 Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-06 19:26 ` Sasha Levin [this message]
2019-02-07 11:28 ` Greg KH
2019-02-07 16:25 ` Theodore Y. Ts'o
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