On Wed, May 22, 2013 at 11:46:33AM +0800, liguang wrote: > These patches try to add ACPI Embedded Controller (EC), > refer-to: > ACPI SPEC v5 chapter 5 > "ACPI Embedded Controller Interface Specification" > > EC is a standard ACPI device, it plays flexible roles, > e.g. > power controller, it can control power sequence for > platform to enter or leave system state(0,1,3,4,5), > it can controller CPU fan by the temperature of sensor. > event carrier, it can pass events between platform > and OS, so OS can execute _Qxx method which defined > by yourself. > > So, I want to deliver CPU online/offline event between > OS and QEMU for CPU hotplug feature, then we will don't > need to "echo 1 > /sys/devices/system/cpu/cpu1/online" > again after 'cpu-add'. > > patches for online/offline event handler of QEUM and > linux kernel are writing, and will send once finished. > > since EC is a common device, so I send pathes separately.
Do any non-linux guests support this device? -- MST