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Tue, 6 Aug 2019 13:21:42 +0000 (UTC) Received: from localhost (unknown [10.43.2.182]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2761419C78; Tue, 6 Aug 2019 13:21:38 +0000 (UTC) Date: Tue, 6 Aug 2019 15:21:36 +0200 From: Igor Mammedov To: Shameer Kolothum Message-ID: <20190806152136.3afbfb4b@redhat.com> In-Reply-To: <20190726104519.23812-8-shameerali.kolothum.thodi@huawei.com> References: <20190726104519.23812-1-shameerali.kolothum.thodi@huawei.com> <20190726104519.23812-8-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 06 Aug 2019 13:21:42 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH-for-4.2 v8 7/9] hw/arm/virt-acpi-build: Add PC-DIMM in SRAT X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, sameo@linux.intel.com, ard.biesheuvel@linaro.org, shannon.zhaosl@gmail.com, qemu-devel@nongnu.org, xuwei5@hisilicon.com, linuxarm@huawei.com, eric.auger@redhat.com, qemu-arm@nongnu.org, sebastien.boeuf@intel.com, lersek@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, 26 Jul 2019 11:45:17 +0100 Shameer Kolothum wrote: > Generate Memory Affinity Structures for PC-DIMM ranges. > > Signed-off-by: Shameer Kolothum > Signed-off-by: Eric Auger > Reviewed-by: Igor Mammedov > --- > 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 018b1e326d..75657caa36 100644 > --- a/hw/arm/virt-acpi-build.c > +++ b/hw/arm/virt-acpi-build.c > @@ -518,6 +518,7 @@ 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; > @@ -543,6 +544,14 @@ 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); > + } > + > build_header(linker, table_data, (void *)(table_data->data + srat_start), > "SRAT", table_data->len - srat_start, 3, NULL, NULL); > } missing entry in tests/bios-tables-test-allowed-diff.h PS: I don't really know what ARM guest kernel expects but on x86 we had to enable numa for guest to figure out max_possible_pfn (see: in linux.git: 8dd330300197 / ec941c5ffede). It's worth to check if we might need a patch for turning on NUMA (how to do it in QEMU see: auto_enable_numa_with_memhp)