linux-kernel - Re: [PATCH] x86/intel_rdt: use rdmsr_safe() to workaround AWS host issue

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Message-ID: <20190109121445.GC15665@zn.tnic>
Date:   Wed, 9 Jan 2019 13:14:45 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     Reinette Chatre <reinette.chatre@...el.com>,
        Babu Moger <Babu.Moger@....com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, Fenghua Yu <fenghua.yu@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Jan H. Schönherr <jschoenh@...zon.de>,
        David Duncan <davdunc@...zon.com>
Subject: Re: [PATCH] x86/intel_rdt: use rdmsr_safe() to workaround AWS host
 issue

On Wed, Jan 09, 2019 at 01:09:31PM +0100, Vitaly Kuznetsov wrote:
> Hm, why is that? In theory, hypervisors can pass through or emulate the
> required MSRs...

...and when the theory becomes reality we'll remove the check.

-- 
Regards/Gruss,
    Boris.

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