Konrad Rzeszutek Wilk cb9c6f15f3 xen/spinlock: Check against default value of -1 for IRQ line.
The default (uninitialized) value of the IRQ line is -1.
Check if we already have allocated an spinlock interrupt line
and if somebody is trying to do it again. Also set it to -1
when we offline the CPU.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-04-16 16:05:15 -04:00
..
2013-04-16 15:05:45 -04:00
2013-02-25 09:24:55 -05:00