lkml.org 
[lkml]   [2010]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-pm] suspend blockers & Android integration
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



\
 
 \ /
  Last update: 2010-06-10 16:49    [W:0.194 / U:0.328 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site