KVM: PPC: Guard doorbell exception with CONFIG_PPC_DOORBELL

Availablity of the doorbell_exception function is guarded by
CONFIG_PPC_DOORBELL. Use the same define to guard our caller
of it.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
[agraf: improve patch description]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tiejun Chen 2013-05-13 10:00:45 +08:00 • committed by Alexander Graf
commit 5f17ce8b95