On 06/20/2013 03:54:42 AM, Hanjun Guo wrote:
More than 256 entries in ACPI MADT is supported from ACPI 3.0
Specification,
So the outdated description for MADT entries should be removed.
Signed-off-by: Hanjun Guo <[email protected]>
---
Documentation/cpu-hotplug.txt | 3 ---
1 file changed, 3 deletions(-)
Acked-by: Rob Landley <[email protected]>
diff --git a/Documentation/cpu-hotplug.txt
b/Documentation/cpu-hotplug.txt
index 9f40135..2e36e40 100644
--- a/Documentation/cpu-hotplug.txt
+++ b/Documentation/cpu-hotplug.txt
@@ -370,9 +370,6 @@ A: There is no clear spec defined way from ACPI
that can give us that
CPUs in MADT as hotpluggable CPUS. In the case there are no
disabled CPUS
we assume 1/2 the number of CPUs currently present can be
hotplugged.
- Caveat: Today's ACPI MADT can only provide 256 entries since the
apicid field
- in MADT is only 8 bits.
-
User Space Notification
Hotplug support for devices is common in Linux today. Its being used
today to
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1.7.9.5
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