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[v6,1/5] ARM: Virt: Set numa-node-id for CPUs

Message ID 1461402396-11776-2-git-send-email-zhaoshenglong@huawei.com
State New
Headers show

Commit Message

Shannon Zhao April 23, 2016, 9:06 a.m. UTC 
From: Shannon Zhao <shannon.zhao@linaro.org>


Add a numa-node-id property to specify NUMA information for CPUs.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

Reviewed-by: Andrew Jones <drjones@redhat.com>

---
 hw/arm/virt.c | 8 ++++++++
 1 file changed, 8 insertions(+)

-- 
2.0.4
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Patch

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 56d35c7..fe6b11d 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -38,6 +38,7 @@ 
 #include "net/net.h"
 #include "sysemu/block-backend.h"
 #include "sysemu/device_tree.h"
+#include "sysemu/numa.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/kvm.h"
 #include "hw/boards.h"
@@ -329,6 +330,7 @@  static void fdt_add_cpu_nodes(const VirtBoardInfo *vbi)
 {
     int cpu;
     int addr_cells = 1;
+    unsigned int i;
 
     /*
      * From Documentation/devicetree/bindings/arm/cpus.txt
@@ -378,6 +380,12 @@  static void fdt_add_cpu_nodes(const VirtBoardInfo *vbi)
                                   armcpu->mp_affinity);
         }
 
+        for (i = 0; i < nb_numa_nodes; i++) {
+            if (test_bit(cpu, numa_info[i].node_cpu)) {
+                qemu_fdt_setprop_cell(vbi->fdt, nodename, "numa-node-id", i);
+            }
+        }
+
         g_free(nodename);
     }
 }