Re: [Xen-devel] [PATCH v2] x86emul: suppress memory writes after faulting FPU insns

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 13/01/17 14:32, Jan Beulich wrote:
> FPU insns writing to memory must not touch memory if they latch #MF (to
> be delivered on the next waiting FPU insn). Note that inspecting FSW.ES
> needs to be avoided for all FNST* insns, as they don't raise exceptions
> themselves, but may instead be invoked with the bit already set.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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