This patch checks for the LongBusy return code from the hypervisor, and 
retries the operation (which is what the hypervisor expects the driver
to do). Please apply.
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>