On 11/14/23 04:12, Salil Mehta via wrote:
GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug
and non-hotplug events like system power down event. Each of these can be
selected using a bit in the 32 bit GED IO interface. A bit has been reserved for
the CPU hotplug event.

Signed-off-by: Salil Mehta <salil.me...@huawei.com>
Reviewed-by: Shaoqin Huang <shahu...@redhat.com>
---
  docs/specs/acpi_hw_reduced_hotplug.rst | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/specs/acpi_hw_reduced_hotplug.rst 
b/docs/specs/acpi_hw_reduced_hotplug.rst
index 0bd3f9399f..3acd6fcd8b 100644
--- a/docs/specs/acpi_hw_reduced_hotplug.rst
+++ b/docs/specs/acpi_hw_reduced_hotplug.rst
@@ -64,7 +64,8 @@ GED IO interface (4 byte access)
         0: Memory hotplug event
         1: System power down event
         2: NVDIMM hotplug event
-    3-31: Reserved
+       3: CPU hotplug event
+    4-31: Reserved
**write_access:**

--
Shaoqin


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