Some architectures might support memory devices, while they don't
support DIMM/NVDIMM. So let's
- Rename CONFIG_MEM_HOTPLUG to CONFIG_MEM_DEVICE
- Introduce CONFIG_DIMM and use it similarly to CONFIG NVDIMM

CONFIG_DIMM and CONFIG_NVDIMM require CONFIG_MEM_DEVICE.

Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 default-configs/i386-softmmu.mak   | 3 ++-
 default-configs/ppc64-softmmu.mak  | 3 ++-
 default-configs/x86_64-softmmu.mak | 3 ++-
 hw/Makefile.objs                   | 2 +-
 hw/mem/Makefile.objs               | 4 ++--
 qapi/misc.json                     | 2 +-
 6 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 8c7d4a0fa0..4c1637338b 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -50,7 +50,8 @@ CONFIG_PCI_Q35=y
 CONFIG_APIC=y
 CONFIG_IOAPIC=y
 CONFIG_PVPANIC=y
-CONFIG_MEM_HOTPLUG=y
+CONFIG_MEM_DEVICE=y
+CONFIG_DIMM=y
 CONFIG_NVDIMM=y
 CONFIG_ACPI_NVDIMM=y
 CONFIG_PCIE_PORT=y
diff --git a/default-configs/ppc64-softmmu.mak 
b/default-configs/ppc64-softmmu.mak
index b94af6c7c6..f550573782 100644
--- a/default-configs/ppc64-softmmu.mak
+++ b/default-configs/ppc64-softmmu.mak
@@ -16,4 +16,5 @@ CONFIG_VIRTIO_VGA=y
 CONFIG_XICS=$(CONFIG_PSERIES)
 CONFIG_XICS_SPAPR=$(CONFIG_PSERIES)
 CONFIG_XICS_KVM=$(call land,$(CONFIG_PSERIES),$(CONFIG_KVM))
-CONFIG_MEM_HOTPLUG=y
+CONFIG_MEM_DEVICE=y
+CONFIG_DIMM=y
diff --git a/default-configs/x86_64-softmmu.mak 
b/default-configs/x86_64-softmmu.mak
index 0390b4303c..7785351414 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -50,7 +50,8 @@ CONFIG_PCI_Q35=y
 CONFIG_APIC=y
 CONFIG_IOAPIC=y
 CONFIG_PVPANIC=y
-CONFIG_MEM_HOTPLUG=y
+CONFIG_MEM_DEVICE=y
+CONFIG_DIMM=y
 CONFIG_NVDIMM=y
 CONFIG_ACPI_NVDIMM=y
 CONFIG_PCIE_PORT=y
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index 6a0ffe0afd..127a60eca4 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -33,7 +33,7 @@ devices-dirs-$(CONFIG_SOFTMMU) += vfio/
 devices-dirs-$(CONFIG_SOFTMMU) += virtio/
 devices-dirs-$(CONFIG_SOFTMMU) += watchdog/
 devices-dirs-$(CONFIG_SOFTMMU) += xen/
-devices-dirs-$(CONFIG_MEM_HOTPLUG) += mem/
+devices-dirs-$(CONFIG_MEM_DEVICE) += mem/
 devices-dirs-$(CONFIG_SOFTMMU) += smbios/
 devices-dirs-y += core/
 common-obj-y += $(devices-dirs-y)
diff --git a/hw/mem/Makefile.objs b/hw/mem/Makefile.objs
index 10be4df2a2..3e2f7c5ca2 100644
--- a/hw/mem/Makefile.objs
+++ b/hw/mem/Makefile.objs
@@ -1,3 +1,3 @@
-common-obj-$(CONFIG_MEM_HOTPLUG) += pc-dimm.o
-common-obj-$(CONFIG_MEM_HOTPLUG) += memory-device.o
+common-obj-$(CONFIG_DIMM) += pc-dimm.o
+common-obj-$(CONFIG_MEM_DEVICE) += memory-device.o
 common-obj-$(CONFIG_NVDIMM) += nvdimm.o
diff --git a/qapi/misc.json b/qapi/misc.json
index f5988cc0b5..4e6265cd2e 100644
--- a/qapi/misc.json
+++ b/qapi/misc.json
@@ -2060,7 +2060,7 @@
 #
 # @plugged-memory: size of memory that can be hot-unplugged. This field
 #                  is omitted if target doesn't support memory hotplug
-#                  (i.e. CONFIG_MEM_HOTPLUG not defined on build time).
+#                  (i.e. CONFIG_MEM_DEVICE not defined at build time).
 #
 # Since: 2.11.0
 ##
-- 
2.14.3


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