Re: [Xen-devel] [PATCH v10 02/11] x86/msr: Emulation of MSR_{SPEC_CTRL, PRED_CMD} for guests

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 24.01.18 at 14:12, <andrew.cooper3@xxxxxxxxxx> wrote:
> As per the spec currently available here:
> 
> https://software.intel.com/sites/default/files/managed/c5/63/336996-Speculative-Execution-Side-Channel-Mitigations.pdf
> 
> MSR_ARCH_CAPABILITIES will only come into existence on new hardware, but is
> implemented as a straight #GP for now to avoid being leaky when new hardware
> arrives.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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