Messages in this thread | | | Date | Thu, 13 Sep 2007 16:31:56 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [GIT PATCH] USB autosuspend fixes for 2.6.23-rc6 |
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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
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