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[RFC 1/3] acpi: cpuhp: fix 'Command data' description is spec
From: |
Igor Mammedov |
Subject: |
[RFC 1/3] acpi: cpuhp: fix 'Command data' description is spec |
Date: |
Wed, 9 Oct 2019 09:22:50 -0400 |
QEMU returns 0, in case of erro or invalid value in 'Command field',
make spec match reality, i.e.
Also fix returned value description in case 'Command field' == 0x0,
it's in not PXM but CPU selector value with pending event
Signed-off-by: Igor Mammedov <address@hidden>
---
docs/specs/acpi_cpu_hotplug.txt | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.txt
index ee219c8358..ac5903b2b1 100644
--- a/docs/specs/acpi_cpu_hotplug.txt
+++ b/docs/specs/acpi_cpu_hotplug.txt
@@ -44,9 +44,10 @@ read access:
3-7: reserved and should be ignored by OSPM
[0x5-0x7] reserved
[0x8] Command data: (DWORD access)
- in case of error or unsupported command reads is 0xFFFFFFFF
+ in case of error or unsupported command reads is 0x0
current 'Command field' value:
- 0: returns PXM value corresponding to device
+ 0: returns CPU selector value corresponding to a CPU with
+ pending event.
write access:
offset:
--
2.18.1
[RFC 2/3] acpi: cpuhp: add typical usecases into spec, Igor Mammedov, 2019/10/09