Re: Re: freeze_processes questions

Rafael J. Wysocki
2005-04-07T17:17:06Z

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Hi,

On Thursday, 7 of April 2005 16:41, Alan Stern wrote:
> On Thu, 7 Apr 2005, Rafael J. Wysocki wrote:
>
> > Well, (having thought about it for a while) why, actually, a device's _suspend()
> > routine would need such a lock? Devices are suspended on one CPU in
> > a single thread which can only (potentially) race with interrupt handlers ...
>
> You're blinded by thinking that suspend() can be called only during a
> system sleep transition.

Well, yes. :-)

> Don't forget about runtime power management!

Of course you're right. Thanks for pointing this out.

Greets,
Rafael

--
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
-- Lewis Carroll "Alice's Adventures in Wonderland"