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DateThu, 27 May 2010 22:34:18 +0100
FromAlan Cox <>
SubjectRe: [linux-pm] [PATCH 0/8] Suspend block api (version 8)
On Thu, 27 May 2010 13:29:18 -0400 (EDT)
Alan Stern <stern@rowland.harvard.edu> wrote:

> On Thu, 27 May 2010, Peter Zijlstra wrote:
>
> > On Thu, 2010-05-27 at 13:04 -0400, Alan Stern wrote:
> > >
> > > Does this mean you believe "echo mem >/sys/power/state" is bad and
> > > should be removed? Or "echo disk >/sys/power/state"? They pay no
> > > attention to latencies or other requirements.
> >
> > Those are a whole different beast, those are basically a quick-off
> > button like thing. Forced suspend is conceptually a very different beast
> > from power-saving a running system.
>
> They may be different conceptually. Nevertheless, Android uses forced
> suspend as a form of power saving. Until better mechanisms are in
> place, it makes sense.

For them, not for Linux.

Several vendors have exciting kernel drivers that do things like binary
patch other modules. Until better mechanisms are in place it does *NOT*
make sense to merge such stuff.

I don't care what they do in their own tree (consenting adults in their
own home and all that) but what they do in the public tree is another
matter.

Alan


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