Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h

Pavel Machek
2019-08-28T13:37:18Z

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On Wed 2019-08-28 14:46:21, Borislav Petkov wrote:
> On Wed, Aug 28, 2019 at 02:29:13PM +0200, Pavel Machek wrote:
> > This is not a way to have an inteligent conversation.
>
> No, this *is* the way to keep the conversation sane, without veering
> off into some absurd claims.
>
> So, to cut to the chase: you can simply add "rdrand=force" to your
> cmdline parameters and get back to using RDRAND.
>
> And yet if you still feel this fix does not meet your expectations,
> you were told already to either produce patches or who to contact. I'm
> afraid complaining on this thread won't get you anywhere but that's your
> call.

No, this does not meet my expectations, it violates stable kernel
rules, and will cause regression to some users, while better solution
is known to be available.

Best regards,

Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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