Re: Unified power management userspace policy

[Andrew Morton]

John Fremlin wrote:
> 
> Hi all!
> 
> At the moment there are two power management drivers in the linux
> kernel (AFAIK). They each have different userspace interfaces --
> /proc/apm and /dev/apmctl and /proc/sys/acpi/events or something. This
> is not altogether bad, but as they do the same thing, it might be nice
> to unify (part) of the interface. In fact this is already done for the
> in kernel interface with pm_send_all.
>

John,

Could you please use call_usermodehelper() in this patch
rather than exec_usermodehelper()?  I want to kill
exec_usermodehelper() sometime.

Plus your code will be simpler - no need to create
your own kernel thread.