KVM: s390: fast path for sca_ext_call_pending
authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Wed, 23 Sep 2015 07:45:50 +0000 (09:45 +0200)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Mon, 30 Nov 2015 11:47:09 +0000 (12:47 +0100)
commit2c1bb2be986c56848ce92ba41ba32fc62ab3165f
treed993b44cd371b29a40f9b521fbe9cdafc225e1d7
parentfe0edcb7311e80a349ad5f2b15f2d91a5606ed7f
KVM: s390: fast path for sca_ext_call_pending

If CPUSTAT_ECALL_PEND isn't set, we can't have an external call pending,
so we can directly avoid taking the lock.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
arch/s390/kvm/interrupt.c