[Buildroot] [PATCH] package/rng-tools: make jitterentropy conditional
Peter Korsgaard
peter at korsgaard.com
Sat Feb 8 19:12:48 UTC 2020
>>>>> "Matthew" == Matthew Weber <matthew.weber at rockwellcollins.com> writes:
> Thomas,
> On Wed, Feb 5, 2020 at 2:46 PM Matthew Weber
> <matthew.weber at rockwellcollins.com> wrote:
>>
>> Thomas,
>>
>> On Wed, Feb 5, 2020 at 1:33 PM Thomas Petazzoni
>> <thomas.petazzoni at bootlin.com> wrote:
>> >
>> > On Wed, 5 Feb 2020 12:26:08 -0600
>> > Matt Weber <matthew.weber at rockwellcollins.com> wrote:
>> >
>> > > The update of rng-tools from 5 to 6.7 introduced a change where
>> > > the jitterentropy library was enabled by default instead of
>> > > returning a special 66 return code to hangle the case of no
>> > > hwrng. This patch reverts that change and allows a user to
>> > > select when to enable the jitterentropy source. The bug
>> > > documents an issue of when a hwrng is enabled with jitterentropy
>> > > there is a longer boot time.
>> >
>> > I don't understand this story of the 66 return code. Could you explain
>> > a bit more ?
>>
>> In Buildroot commit 22cb51e1 the systemd support addition included the
>> successcode change based on the Fedora bugfix for ignoring if no hwrng
>> is present (https://bugzilla.redhat.com/show_bug.cgi?id=892178).
> Ryan Barnett noticed that rng-tools dropped the special return code.
> I guess we could just drop support for this special case as well....
> https://github.com/nhorman/rng-tools/blob/v6.8/rngd.c#L805
Has that Fedora patch ever been included upstream? I don't seem to find
it in the history.
I btw see there is a 6.9 release with more bugfixes, care to send a
patch bumping the version?
--
Bye, Peter Korsgaard
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