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

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Subject: Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
From: Borislav Petkov <bp@xxxxxxxxx>
Date: Wed, 28 Aug 2019 14:00:24 +0200
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx, Tom Lendacky <thomas.lendacky@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Chen Yu <yu.c.chen@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, "linux-doc@xxxxxxxxxxxxxxx" <linux-doc@xxxxxxxxxxxxxxx>, "linux-pm@xxxxxxxxxxxxxxx" <linux-pm@xxxxxxxxxxxxxxx>, Nathan Chancellor <natechancellor@xxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>
In-reply-to: <20190828114947.GC8052@amd>
User-agent: Mutt/1.10.1 (2018-07-13)

On Wed, Aug 28, 2019 at 01:49:47PM +0200, Pavel Machek wrote:
> AMD screwed this up,

Except that it wasn't AMD who screwed up but BIOS on *some* laptops.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

Follow-Ups:
- Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Pavel Machek

References:
- [PATCH 4.19 00/98] 4.19.69-stable review
  - From: Greg Kroah-Hartman
- [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Greg Kroah-Hartman
- Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Pavel Machek
- Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Thomas Gleixner
- Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Pavel Machek
- Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Thomas Gleixner
- Re: [PATCH 4.19 72/98] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Pavel Machek

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