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Currently we free all devices when we detach from any ACPI node. Instead, keep track of which node WMI devices are attached to and free them only as needed. While we are at it, match up notifications with the device they came from correctly. This will make our behavior more straightforward on systems with more than one WMI node in the ACPI tables (e.g. the Dell XPS 13 9350). This also adds a warning when GUIDs are not unique. NB: The guid_string parameter in guid_already_parsed was a little-endian binary GUID, not a string. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Mario Limonciello <mario_limonciello@dell.com> Cc: Pali Rohár <pali.rohar@gmail.com> Cc: linux-kernel@vger.kernel.org Cc: platform-driver-x86@vger.kernel.org Cc: linux-acpi@vger.kernel.org Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.