Re: [FYI PATCH 0/7] Mitigation for CVE-2018-12207

[Paolo Bonzini]

On 13/11/19 07:38, Jan Kiszka wrote:
> When reading MCE, error code 0150h, ie. SRAR, I was wondering if that
> couldn't simply be handled by the host. But I suppose the symptom of
> that erratum is not "just" regular recoverable MCE, rather
> sometimes/always an unrecoverable CPU state, despite the error code, right?

The erratum documentation talks explicitly about hanging the system, but
it's not clear if it's just a result of the OS mishandling the MCE, or
something worse.  So I don't know. :(  Pawan, do you?

Paolo