Re: [PATCH] USB: fix Scheduling while atomic warning when resuming.
From: David Brownell
Date: Wed Dec 22 2004 - 00:00:25 EST
On Tuesday 21 December 2004 8:46 pm, Jeff Garzik wrote:
> > If that lock were dropped, what would prevent other tasks from
> > touching the hardware while it's sending RESUME signaling down
> > the bus, and thereby mucking up the resume sequence?
> Precisely what other tasks are active for this hardware, during resume?
There's no guarantee that suspend() and resume() methods
are only called during system-wide suspend and resume.
And likewise, if there were no other tasks, why should
you even be concerned about spinning vs sleeping?
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