On Tuesday 01 August 2017 23:20:10 Rafael J. Wysocki wrote: > No evaluation of AML methods from user space, please. > > This is plain dangerous, because you never know what those things do and doing > that on production systems is just a plain "no". > > You can, however, expose the output of AML methods this way or another, > for example if they are expected to generate packages of data or similar. > > The interface for that cannot be "evaluate this random method right now and > give me the result", though. It is not a random AML method. It is _WDG buffer which wmi.ko already reads + parse (IIRC only once when doing initialization) and purpose is to provide copy of this buffer also to userspace. Similarly like wmi-bmof.ko provides MOF buffer. -- Pali Rohár pali.rohar@xxxxxxxxx