diff mbox series

[PULL,v3,05/18] acpi: cpuhp: spec: clarify store into 'Command data' when 'Command field' == 0

Message ID 20200123070913.626488-6-mst@redhat.com
State New
Headers show
Series [PULL,v3,01/18] q35: implement 128K SMRAM at default SMBASE address | expand

Commit Message

Michael S. Tsirkin Jan. 23, 2020, 7:10 a.m. UTC 
From: Igor Mammedov <imammedo@redhat.com>

Write section of 'Command data' register should describe what happens
when it's written into. Correct description in case the last stored
'Command field' value is equal to 0, to reflect that currently it's not
supported.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <1575896942-331151-7-git-send-email-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 docs/specs/acpi_cpu_hotplug.txt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.txt
index d5108720bf..8fb9ad22e6 100644
--- a/docs/specs/acpi_cpu_hotplug.txt
+++ b/docs/specs/acpi_cpu_hotplug.txt
@@ -90,8 +90,7 @@  write access:
             other values: reserved
     [0x6-0x7] reserved
     [0x8] Command data: (DWORD access)
-          current 'Command field' value:
-              0: OSPM reads value of CPU selector
+          if last stored 'Command field' value:
               1: stores value into OST event register
               2: stores value into OST status register, triggers
                  ACPI_DEVICE_OST QMP event from QEMU to external applications