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nvdimm: convert nvdimm_mr into a pointer

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This way we can easily check if the region has already been inititalized
without having to rely on the size of an uninitialized region being 0.

Free the region in nvdimm_finalize() and not in unrealize() as we will
allow to create the region before realization in following patches.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180619134141.29478-11-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
David Hildenbrand 2018-06-19 15:41:39 +02:00 • committed by Paolo Bonzini
parent 5d10a0e12b
commit eb7fd4d0f6
2 changed files with 14 additions and 5 deletions
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2
include/hw/mem/nvdimm.h
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@ -74,7 +74,7 @@ struct NVDIMMDevice {
* it's the PMEM region in NVDIMM device, which is presented to
* guest via ACPI NFIT and _FIT method if NVDIMM hotplug is supported.
*/
MemoryRegion nvdimm_mr;
MemoryRegion *nvdimm_mr;
/*
* The 'on' value results in the unarmed flag set in ACPI NFIT,