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Subject[tip: x86/platform] x86/platform/uv: Update sysfs documentation
The following commit has been merged into the x86/platform branch of tip:

Commit-ID: c9624cb7db1c418cbdc8fd2cde6835f83cd0f8a2
Author: Mike Travis <>
AuthorDate: Fri, 27 Nov 2020 21:42:27 -06:00
Committer: Borislav Petkov <>
CommitterDate: Mon, 07 Dec 2020 21:19:20 +01:00

x86/platform/uv: Update sysfs documentation

Update sysfs documentation file to include moved /proc leaves.

Signed-off-by: Mike Travis <>
Signed-off-by: Borislav Petkov <>
Acked-by: Hans de Goede <>
Documentation/ABI/testing/sysfs-firmware-sgi_uv | 16 ++++++++++++++++-
1 file changed, 16 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-firmware-sgi_uv b/Documentation/ABI/testing/sysfs-firmware-sgi_uv
index 351b1f4..637c668 100644
--- a/Documentation/ABI/testing/sysfs-firmware-sgi_uv
+++ b/Documentation/ABI/testing/sysfs-firmware-sgi_uv
@@ -7,10 +7,25 @@ Description:

Under that directory are a number of read-only attributes::

+ archtype
+ hub_type
+ hubless

+ The archtype entry contains the UV architecture type that
+ is used to select arch-dependent addresses and features.
+ It can be set via the OEM_ID in the ACPI MADT table or by
+ UVsystab entry both passed from UV BIOS.
+ The hub_type entry is used to select the type of hub which is
+ similar to uv_type but encoded in a binary format. Include
+ the file uv_hub.h to get the definitions.
+ The hubless entry basically is present and set only if there
+ is no hub. In this case the hub_type entry is not present.
The partition_id entry contains the partition id.
UV systems can be partitioned into multiple physical
machines, which each partition running a unique copy
@@ -24,6 +39,7 @@ Description:

The uv_type entry contains the hub revision number.
This value can be used to identify the UV system version::
+ "0.*" = Hubless UV ('*' is subtype)

"3.0" = UV2
"5.0" = UV3
 \ /
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