Re: [OE-core] [PATCH] rng-tools: disable libjitterentropy due to cpu usage

[Alexander Kanavin <alex.kanavin@gmail.com>]

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Yes, I wonder why this needs to be disabled altogether at build time. Can’t
rng-tools figure out the right sources at run time?

Alex

On Mon 2. May 2022 at 23.33, William A. Kennington III via
lists.openembedded.org <wak=google.com@lists.openembedded.org> wrote:

> Isn't this desirable if you don't have an hwrng? We want to generate
> entropy so we can perform cryptographic operations by default if we
> bring in rng-tools.
>
> On Mon, May 2, 2022 at 2:10 PM Wes Malone <wes@mitsi.com> wrote:
> >
> > After boot rngd maxes out the processor initializing JITTER entropy for
> > some minutes. Here we disable libjitterentropy in favor of only using
> > the hardware random source via config.
> >
> > Signed-off-by: Wes Malone <wes@mitsi.com>
> > ---
> >  meta/recipes-support/rng-tools/rng-tools_6.15.bb | 1 -
> >  1 file changed, 1 deletion(-)
> >
> > diff --git a/meta/recipes-support/rng-tools/rng-tools_6.15.bb
> b/meta/recipes-support/rng-tools/rng-tools_6.15.bb
> > index 0696351903..4eed060960 100644
> > --- a/meta/recipes-support/rng-tools/rng-tools_6.15.bb
> > +++ b/meta/recipes-support/rng-tools/rng-tools_6.15.bb
> > @@ -21,7 +21,6 @@ inherit autotools update-rc.d systemd pkgconfig
> >
> >  EXTRA_OECONF = "--without-rtlsdr"
> >
> > -PACKAGECONFIG ??= "libjitterentropy"
> >  PACKAGECONFIG:libc-musl = "libargp libjitterentropy"
> >
> >  PACKAGECONFIG[libargp] =
> "--with-libargp,--without-libargp,argp-standalone,"
> > --
> > 2.36.0
> >
> >
> >
> >
>
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