Re: [GIT PATCH] USB autosuspend fixes for 2.6.23-rc6

[Alan Stern]

On Thu, 13 Sep 2007, Adrian Bunk wrote:

> > Maybe you're concerned about propagating updates as painlessly as 
> > possible -- if the whitelist is in the kernel then every kernel release 
> > would include an update.  But in userspace it's possible to do updates 
> > even more quickly and painlessly.  For example, there could be a 
> > network server available for both interactive lookups and automatic 
> > queries from HAL.
> >...
> 
> No, what I'm concerned about is that this would require userspace for 
> something that is completely in-kernel.

But it isn't completely in-kernel.  It is policy, and policy belongs in 
userspace.

The kernel provides the mechanism for autosuspending idle devices and 
setting the idle-delay length.  But userspace must be responsible for 
deciding what devices to autosuspend and how long the idle delays 
should be.

Alan Stern

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/