On Tue, Jan 25, 2022 at 05:15:34PM +0800, chenxiang via wrote: > From: Xiang Chen <[email protected]> > > Since the patchset ("Build ACPI Heterogeneous Memory Attribute Table (HMAT)"), > HMAT is supported, but only x86 is enabled. Enable HMAT on arm virt machine.
Hi Xiang, What QEMU commands lines have you tested with which Linux guest kernels? Thanks, drew > > Signed-off-by: Xiang Chen <[email protected]> > --- > hw/arm/Kconfig | 1 + > hw/arm/virt-acpi-build.c | 7 +++++++ > 2 files changed, 8 insertions(+) > > diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig > index 2e0049196d..a3c6099829 100644 > --- a/hw/arm/Kconfig > +++ b/hw/arm/Kconfig > @@ -29,6 +29,7 @@ config ARM_VIRT > select ACPI_APEI > select ACPI_VIOT > select VIRTIO_MEM_SUPPORTED > + select ACPI_HMAT > > config CHEETAH > bool > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > index 449fab0080..f19b55e486 100644 > --- a/hw/arm/virt-acpi-build.c > +++ b/hw/arm/virt-acpi-build.c > @@ -42,6 +42,7 @@ > #include "hw/acpi/memory_hotplug.h" > #include "hw/acpi/generic_event_device.h" > #include "hw/acpi/tpm.h" > +#include "hw/acpi/hmat.h" > #include "hw/pci/pcie_host.h" > #include "hw/pci/pci.h" > #include "hw/pci/pci_bus.h" > @@ -990,6 +991,12 @@ void virt_acpi_build(VirtMachineState *vms, > AcpiBuildTables *tables) > build_slit(tables_blob, tables->linker, ms, vms->oem_id, > vms->oem_table_id); > } > + > + if (ms->numa_state->hmat_enabled) { > + acpi_add_table(table_offsets, tables_blob); > + build_hmat(tables_blob, tables->linker, ms->numa_state, > + vms->oem_id, vms->oem_table_id); > + } > } > > if (ms->nvdimms_state->is_enabled) { > -- > 2.33.0 > >
