On Sun, 8 Jul 2007, Benjamin Herrenschmidt wrote:
> Note that we could have also a per-device "icebox" (just a waitqueue).
> Might be nice for a device to resume whatever it froze just after it
> resumed itself, might even be necessary in case whatever thread got
> frozen is necessary for handling child devices.
This wouldn't need any special infrastructure. Just a regular
waitqueue defined in the device's private data structure.
Alan Stern
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