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authorStephen Hemminger <stephen@networkplumber.org>2018-07-29 00:58:48 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-29 09:09:56 +0300
commit7ceb1c37533e2298797188087796dd44931d86af (patch)
tree47884db68d2b080bf3bfb87c33b10ec6809a6af3 /Documentation/ABI
parent9d9c9656871cd9fc1d03a2b4f47a278d54c6d03d (diff)
downloadlinux-7ceb1c37533e2298797188087796dd44931d86af.tar.xz
Drivers: hv: vmbus: add numa_node to sysfs
Being able to find the numa_node for a device is useful for userspace drivers (DPDK) and also for diagnosing performance issues. This makes vmbus similar to pci. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/stable/sysfs-bus-vmbus7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-vmbus b/Documentation/ABI/stable/sysfs-bus-vmbus
index 3eaffbb2d468..3fed8fdb873d 100644
--- a/Documentation/ABI/stable/sysfs-bus-vmbus
+++ b/Documentation/ABI/stable/sysfs-bus-vmbus
@@ -42,6 +42,13 @@ Contact: K. Y. Srinivasan <kys@microsoft.com>
Description: The 16 bit vendor ID of the device
Users: tools/hv/lsvmbus and user level RDMA libraries
+What: /sys/bus/vmbus/devices/<UUID>/numa_node
+Date: Jul 2018
+KernelVersion: 4.19
+Contact: Stephen Hemminger <sthemmin@microsoft.com>
+Description: This NUMA node to which the VMBUS device is
+ attached, or -1 if the node is unknown.
+
What: /sys/bus/vmbus/devices/<UUID>/channels/<N>
Date: September. 2017
KernelVersion: 4.14