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(parent: 2f8311c) | patch
KVM: s390: drop use of spin lock in __floating_irq_kick
authorMichael Mueller <mimu@linux.vnet.ibm.com>
Mon, 20 Nov 2017 09:37:30 +0000 (10:37 +0100)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Tue, 16 Jan 2018 15:15:18 +0000 (16:15 +0100)
commit588629385c4b96c436cef55dff75eef7f90cd5f0
treec93a064c8de15ecd939d74e708010958a5ff7074tree | snapshot
parent2f8311c912ab67084ce3657096df601c87f49a58commit | diff
KVM: s390: drop use of spin lock in __floating_irq_kick

It is not required to take to a lock to protect access to the cpuflags
of the local interrupt structure of a vcpu as the performed operation
is an atomic_or.

Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
arch/s390/kvm/interrupt.c diff | blob | history
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