From: Greg KH <gregkh@linuxfoundation.org>
To: Noah Meyerhans <noahm@debian.org>
Cc: stable@vger.kernel.org
Subject: Re: Please apply 50ee7529ec45 ("random: try to actively add entropy rather than passively wait for it") to 4.19.y
Date: Tue, 28 Jan 2020 08:52:23 +0100 [thread overview]
Message-ID: <20200128075223.GD2105706@kroah.com> (raw)
In-Reply-To: <20200127230214.GC25530@morgul.net>
On Mon, Jan 27, 2020 at 06:02:14PM -0500, Noah Meyerhans wrote:
> As detailed in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=948519 and
> https://wiki.debian.org/BoottimeEntropyStarvation, lack of boot-time entropy
> can contribute to multi-minute pauses during system initialization in some
> hardware configurations. While userspace workarounds, e.g. haveged, are
> documented, the in-kernel jitter entropy collector eliminates the need for such
> workarounds.
>
> It cherry-picks cleanly to 4.19.y and 4.14.y. I'm particularly interested
> in the former.
>
> Thanks for considering this.
Please cc: the developers of that commit, and the maintainer of that
code, and we will be glad to consider it if they agree it is viable for
those kernels.
Personally, this looks like a "new feature" to me, if you really need
this, what is preventing you from moving to a newer kernel version?
thanks,
greg k-h
next prev parent reply other threads:[~2020-01-28 7:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-27 23:02 Please apply 50ee7529ec45 ("random: try to actively add entropy rather than passively wait for it") to 4.19.y Noah Meyerhans
2020-01-28 7:52 ` Greg KH [this message]
2020-01-28 19:34 ` Noah Meyerhans
2020-01-28 19:59 ` Linus Torvalds
2020-01-30 0:39 ` Theodore Y. Ts'o
2020-01-30 14:49 ` Greg KH
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