[Buildroot] [Bug 12511] rng-tools has forced dependency on jitterentropy-library ; It slows boot considerably
bugzilla at busybox.net
bugzilla at busybox.net
Tue Jan 28 18:31:01 UTC 2020
https://bugs.busybox.net/show_bug.cgi?id=12511
--- Comment #1 from Matt Weber <matthew.weber at rockwellcollins.com> ---
Sorry to hear about the boot delay issue. The reason it was added by default
was I noticed the init script had handled a case of adding entropy when a hwrng
wasn't present. I didn't realize the impact when hwrng was enabled.
I agree, I think something like a new kconfig sub option named "enable source
jitterentropy" under rngd might be best (with a solid help description
outlining when to enable it). There isn't a ideal way to get a linux config
option to trigger a dependency in the buildroot build.
We could tailor the initscript and have it check if there is a hwrng enabled by
checking for dev node existence if that is consistance. However we can't
probably depend on the linux config being present and parse-able.
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