On Tue, 12 Mar 2019 09:57:58 +0000 Shameerali Kolothum Thodi <shameerali.kolothum.th...@huawei.com> wrote:
> > -----Original Message----- > > From: Igor Mammedov [mailto:imamm...@redhat.com] > > Sent: 11 March 2019 14:55 > > To: Shameerali Kolothum Thodi <shameerali.kolothum.th...@huawei.com> > > Cc: qemu-devel@nongnu.org; qemu-...@nongnu.org; > > eric.au...@redhat.com; peter.mayd...@linaro.org; > > shannon.zha...@gmail.com; sa...@linux.intel.com; > > sebastien.bo...@intel.com; Linuxarm <linux...@huawei.com>; xuwei (O) > > <xuw...@huawei.com> > > Subject: Re: [PATCH v2 07/11] hw/arm/virt-acpi-build: Add PC-DIMM in SRAT > > > > On Fri, 8 Mar 2019 11:42:14 +0000 > > Shameer Kolothum <shameerali.kolothum.th...@huawei.com> wrote: > > > > > Generate Memory Affinity Structures for PC-DIMM ranges. > > > > > > Signed-off-by: Shameer Kolothum <shameerali.kolothum.th...@huawei.com> > > > Signed-off-by: Eric Auger <eric.au...@redhat.com> > > > Reviewed-by: Igor Mammedov <imamm...@redhat.com> > > > --- > > > hw/arm/virt-acpi-build.c | 9 +++++++++ > > > 1 file changed, 9 insertions(+) > > > > > > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > > > index 87d66da..6cb7263 100644 > > > --- a/hw/arm/virt-acpi-build.c > > > +++ b/hw/arm/virt-acpi-build.c > > > @@ -524,6 +524,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, > > VirtMachineState *vms) > > > int i, srat_start; > > > uint64_t mem_base; > > > MachineClass *mc = MACHINE_GET_CLASS(vms); > > > + MachineState *ms = MACHINE(vms); > > > const CPUArchIdList *cpu_list = > > mc->possible_cpu_arch_ids(MACHINE(vms)); > > > > > > srat_start = table_data->len; > > > @@ -549,6 +550,14 @@ build_srat(GArray *table_data, BIOSLinker *linker, > > VirtMachineState *vms) > > > } > > > } > > > > > > + if (ms->device_memory) { > > > + numamem = acpi_data_push(table_data, sizeof *numamem); > > > + build_srat_memory(numamem, ms->device_memory->base, > > > + > > memory_region_size(&ms->device_memory->mr), > > > + nb_numa_nodes - 1, > > > + MEM_AFFINITY_HOTPLUGGABLE | > > MEM_AFFINITY_ENABLED); > > > + } > > > + > > > > do we care about 'Windows' guests? > > if yes then we should drop this patch, > > see commit for reasoning dbb6da8ba7e > > If I understood that commit, that is reverting to use a single entry for whole > hotplug area instead of splitting into multiple entries. ie, remove > build_srat_hotpluggable_memory() and use build_srat_memory() instead, > which is what this patch does. > > May be I am missing something here. Please let me know. Apologies it's my mistake :/, you are totally right. This patch looks fine me. > > Thanks, > Shameer > > > > build_header(linker, table_data, (void *)(table_data->data + > > srat_start), > > > "SRAT", table_data->len - srat_start, 3, NULL, NULL); > > > } >