| Message ID | 20170911044157.15403-10-haozhong.zhang@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index bf887512ad..61789c3966 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -1245,7 +1245,14 @@ static void nvdimm_build_ssdt_device(Aml *dev, uint32_t ram_slots) /* 0 is reserved for root device. */ nvdimm_build_device_dsm(dev, 0); - nvdimm_build_fit(dev); + /* + * Xen does not support vNVDIMM hotplug, and always sets the QEMU + * option "maxmem" to be just enough for RAM and static plugged + * vNVDIMM, so it's unnecessary to build _FIT method on Xen. + */ + if (!xen_enabled()) { + nvdimm_build_fit(dev); + } nvdimm_build_nvdimm_devices(dev, ram_slots); }
Xen currently does not support vNVDIMM hotplug and always sets QEMU option "maxmem" to be just enough for RAM and vNVDIMM, so it's not necessary to build _FIT method when QEMU is used as Xen device model. Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com> --- Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Cc: Xiao Guangrong <xiaoguangrong.eric@gmail.com> --- hw/acpi/nvdimm.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)