Messages in this thread | | | Date | Thu, 7 Feb 2019 12:28:09 +0100 | From | Greg KH <> | Subject | Re: 4.14 "random: add a config option to trust the CPU's hwrng" |
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On Wed, Feb 06, 2019 at 02:26:13PM -0500, Sasha Levin wrote: > 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.
I agree with Sasha, this looks like a new feature. If you really want this new functionality, just use 4.19 or newer, right?
thanks,
greg k-h
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