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* [dpdk-stable] [PATCH] bus/pci: fix unknown NUMA node value on Windows
@ 2021-09-27 18:43 Pallavi Kadam
  2021-09-27 18:29 ` Menon, Ranjit
  2021-09-27 18:34 ` Menon, Ranjit
  0 siblings, 2 replies; 4+ messages in thread
From: Pallavi Kadam @ 2021-09-27 18:43 UTC (permalink / raw)
  To: dev
  Cc: stable, thomas, talshn, dmitry.kozliuk, ranjit.menon,
	Narcisa.Vasile, Vipin.Varghese, pallavi.kadam

Based on the rte_eth_dev_socket_id() documentation,
set the default numa_node to -1. When the API is unsuccessful,
set numa_node to 0.
This change more correctly resembles the Linux code.

Fixes: bf7cf1f947bd ("bus/pci: fix unknown NUMA node value on Windows")
Cc: stable@dpdk.org

Reported-by: Vipin Varghese <vipin.varghese@intel.com>
Signed-off-by: Pallavi Kadam <pallavi.kadam@intel.com>
---
 drivers/bus/pci/windows/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/pci/windows/pci.c b/drivers/bus/pci/windows/pci.c
index 343ef6f33b..644c452c76 100644
--- a/drivers/bus/pci/windows/pci.c
+++ b/drivers/bus/pci/windows/pci.c
@@ -237,6 +237,7 @@ get_device_resource_info(HDEVINFO dev_info,
 	}
 
 	/* Get NUMA node using DEVPKEY_Device_Numa_Node */
+	dev->device.numa_node = SOCKET_ID_ANY;
 	res = SetupDiGetDevicePropertyW(dev_info, dev_info_data,
 		&DEVPKEY_Device_Numa_Node, &property_type,
 		(BYTE *)&numa_node, sizeof(numa_node), NULL, 0);
@@ -244,7 +245,7 @@ get_device_resource_info(HDEVINFO dev_info,
 		DWORD error = GetLastError();
 		if (error == ERROR_NOT_FOUND) {
 			/* On older CPUs, NUMA is not bound to PCIe locality. */
-			dev->device.numa_node = SOCKET_ID_ANY;
+			dev->device.numa_node = 0;
 			return ERROR_SUCCESS;
 		}
 		RTE_LOG_WIN32_ERR("SetupDiGetDevicePropertyW"
-- 
2.31.1.windows.1


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-09-30 16:22 UTC | newest]

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2021-09-27 18:43 [dpdk-stable] [PATCH] bus/pci: fix unknown NUMA node value on Windows Pallavi Kadam
2021-09-27 18:29 ` Menon, Ranjit
2021-09-27 18:34 ` Menon, Ranjit
2021-09-30 16:22   ` Thomas Monjalon

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