Andrew Cooper:
> On 13/04/18 19:25, Simon Gaiser wrote:
>> Jan Beulich:
>>> NMI and #MC can occur at any time after S3 resume, yet the MSR_SPEC_CTRL
>>> may become available only once we're reloaded microcode. Make
>>> SPEC_CTRL_ENTRY_FROM_INTR_IST and DO_SPEC_CTRL_EXIT_TO_XEN no-ops for
>>> the
Jan Beulich:
> NMI and #MC can occur at any time after S3 resume, yet the MSR_SPEC_CTRL
> may become available only once we're reloaded microcode. Make
> SPEC_CTRL_ENTRY_FROM_INTR_IST and DO_SPEC_CTRL_EXIT_TO_XEN no-ops for
> the critical period of time.
>
> Also set the MSR back to its intended
