Re: [tip: x86/urgent] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h

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Subject: Re: [tip: x86/urgent] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
From: Borislav Petkov <bp@xxxxxxxxx>
Date: Sat, 24 Aug 2019 21:13:53 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, stable@xxxxxxxxxxxxxxx, "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Nathan Chancellor <natechancellor@xxxxxxxxx>, "linux-pm@xxxxxxxxxxxxxxx" <linux-pm@xxxxxxxxxxxxxxx>, "linux-doc@xxxxxxxxxxxxxxx" <linux-doc@xxxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Chen Yu <yu.c.chen@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>
In-reply-to: <20190824135028.GJ1581@sasha-vm>
User-agent: Mutt/1.10.1 (2018-07-13)

On Sat, Aug 24, 2019 at 09:50:28AM -0400, Sasha Levin wrote:
> Why is this being removed (along with supporting code)?

This was only a temporary bug in the new tip-bot which is fixed now. The
commit in tip is fine:

c49a0a80137c ("x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h")

-- 
Regards/Gruss,
    Boris.

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

References:
- [tip: x86/urgent] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: tip-bot2 for Tom Lendacky
- Re: [tip: x86/urgent] x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  - From: Sasha Levin

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