On Fri, Mar 24, 2017 at 11:00:13AM +0000, Paul Durrant wrote:
> Recent discussions on xen-devel have highlighted that to properly
> support displacing emulated NVMe disks with PV equivalents will need
> updates to PV frontends. Therefore it is important that, if an emulated
> NVMe disk is exposed to a guest with an existing PV storage frontend,
> that frontend does not inadvertently cause unplug of that emulated
> disk when unplugging IDE or SCSI disks.
> 
> This patch defines a new bit in the mask used to instruct QEMU to unplug
> emulated devices which will instruct QEMU to unplug NVMe disks and limits
> the semantics of the existing 'all' disk-unplug bit to only IDE and/or SCSI
> disks.
> 
> Signed-off-by: Paul Durrant <paul.durr...@citrix.com>

Reviewed-by: Wei Liu <wei.l...@citrix.com>

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