On 2/21/20 12:32 PM, Stefan Hajnoczi wrote:
> Hi Andrzej,
> After having looked at the PMRWBM part of the spec, I think that the
> Bit 1 mode should be implemented for slightly better performance.  Bit
> 0 mode is not well-suited to virtualization for the reasons I
> mentioned in the previous email.
> 
> The spec describes Bit 1 mode as "The completion of a read to the
> PMRSTS register shall ensure that all prior writes to the Persistent
> Memory Region have completed and are persistent".
> 
> Stefan

Make sense -- will incorporate that feedback in second version of patch.

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