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(parent: f95a0f3) | patch
xen/spinlock: Check against default value of -1 for IRQ line.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tue, 16 Apr 2013 18:33:20 +0000 (14:33 -0400)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tue, 16 Apr 2013 20:05:15 +0000 (16:05 -0400)
commitaf895f97d9dc1042bd70a57f2cba920a3e1d109a
tree804a98f6f928a5f27bf69f1b31f40d26867b78aatree | snapshot
parentf95a0f355bab718823618b43a806ba68e64f8e28commit | diff
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>
arch/x86/xen/spinlock.c diff | blob | history
Linux Kernel Source Tree.