diff options
| author | David Hildenbrand | 2014-08-05 17:40:47 +0200 |
|---|---|---|
| committer | Christian Borntraeger | 2015-01-23 13:25:34 +0100 |
| commit | 9a022067ad75b117f1c1e5cbf6a592022cf0a749 (patch) | |
| tree | f73884c87fe971a52c6f6966a20d8be695f13486 /arch/s390/kvm/kvm-s390.c | |
| parent | KVM: s390: handle stop irqs without action_bits (diff) | |
| download | kernel-qcow2-linux-9a022067ad75b117f1c1e5cbf6a592022cf0a749.tar.gz kernel-qcow2-linux-9a022067ad75b117f1c1e5cbf6a592022cf0a749.tar.xz kernel-qcow2-linux-9a022067ad75b117f1c1e5cbf6a592022cf0a749.zip | |
KVM: s390: a VCPU may only stop when no interrupts are left pending
As a SIGP STOP is an interrupt with the least priority, it may only result
in stop of the vcpu when no other interrupts are left pending.
To detect whether a non-stop irq is pending, we need a way to mask out
stop irqs from the general kvm_cpu_has_interrupt() function. For this
reason, the existing function (with an outdated name) is replaced by
kvm_s390_vcpu_has_irq() which allows to mask out pending stop irqs.
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index b987b5674625..6a5ed333628c 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -806,7 +806,7 @@ out: int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) { - return kvm_cpu_has_interrupt(vcpu); + return kvm_s390_vcpu_has_irq(vcpu, 0); } void s390_vcpu_block(struct kvm_vcpu *vcpu) @@ -1241,7 +1241,7 @@ static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu) return 0; if (psw_extint_disabled(vcpu)) return 0; - if (kvm_cpu_has_interrupt(vcpu)) + if (kvm_s390_vcpu_has_irq(vcpu, 0)) return 0; if (!(vcpu->arch.sie_block->gcr[0] & 0x200ul)) return 0; |