[PATCH] Deprecate pmem=on with non-DAX capable backend file

[Eduardo Habkost]

On Mon, Jan 11, 2021 at 03:33:32PM -0500, Igor Mammedov wrote:
> It is not safe to pretend that emulated NVDIMM supports
> persistence while backend actually failed to enable it
> and used non-persistent mapping as fall back.
> Instead of falling-back, QEMU should be more strict and
> error out with clear message that it's not supported.
> So if user asks for persistence (pmem=on), they should
> store backing file on NVDIMM.
> 
> Signed-off-by: Igor Mammedov <imammedo at redhat.com>
> Reviewed-by: Philippe Mathieu-Daudé <philmd at redhat.com>

I'm queueing this for 6.1, after changing "since 6.0" to "since 6.1".

Sorry for letting it fall through the cracks.

-- 
Eduardo