Messages in this thread | | | Date | Thu, 10 Jun 2010 10:47:31 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [linux-pm] suspend blockers & Android integration |
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On Thu, 10 Jun 2010, Rafael J. Wysocki wrote:
> Moreover, having thought a bit more about the "power manager in user space" > concept I'm not sure if it really is that better than the original wakelocks > idea. Namely, it only repaces a kernel-based mechanism with a user space > task doing basically the same thing, but the communication between that task > and the other cooperating user space tasks is arguably more complicated (it > also uses the kernel resources, although indirectly).
That is all true. The "power manager in userspace" was meant to prove a point: that this _could_ be done without invasive changes to the kernel. It wasn't necessarily meant to be a _better_ solution.
> So, for a phone-like system, where you'd generally want to simplify user space, > having a "power manager" in the kernel seems to make sense to me.
This is a judgment call. Obviously different people have different opinions.
Alan Stern
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