linux-kernel - [PATCH 4/5] platform/x86: wmi: Update documentation regarding

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Wed, 14 Feb 2024 08:04:32 +0100
From: Armin Wolf <W_Armin@....de>
To: corentin.chary@...il.com,
	luke@...nes.dev
Cc: hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] platform/x86: wmi: Update documentation regarding _WED

Update the WMI ACPI interface documentation to include the fact
that _WED should be evaluated every time an ACPI notification
is received.

Signed-off-by: Armin Wolf <W_Armin@....de>
---
 Documentation/wmi/acpi-interface.rst | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/wmi/acpi-interface.rst b/Documentation/wmi/acpi-interface.rst
index d31af0ed9c08..06fb7fcf4413 100644
--- a/Documentation/wmi/acpi-interface.rst
+++ b/Documentation/wmi/acpi-interface.rst
@@ -93,4 +93,7 @@ _WED ACPI method
 ----------------

 Used to retrieve additional WMI event data, its single parameter is a integer
-holding the notification ID of the event.
+holding the notification ID of the event. This method should be evaluated every
+time an ACPI notification is received, since some ACPI implementations use a
+queue to store WMI event data items. This queue will overflow after a couple
+of WMI events are received without retrieving the associated WMI event data.
--
2.39.2