Commits
Konrad Rzeszutek Wilk committed cb9c6f15f31
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>