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| author |   David Hildenbrand <david@redhat.com> | 2018-01-23 18:05:31 +0100 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2018-01-24 17:46:42 +0100 |
| commit | 8d5fb0dc4ec069ea02395593e9b6b2b39a92457e (patch) | |
| tree | 4ac7480336b33dfdb2475c28e176736e97000dc4 /arch/s390/kvm/kvm-s390.h | |
| parent | KVM: s390: introduce and use kvm_s390_clear_cpuflags() (diff) | |
| download | linux-dev-8d5fb0dc4ec069ea02395593e9b6b2b39a92457e.tar.xz linux-dev-8d5fb0dc4ec069ea02395593e9b6b2b39a92457e.zip | |
KVM: s390: introduce and use kvm_s390_test_cpuflags()
Use it just like kvm_s390_set_cpuflags() and kvm_s390_clear_cpuflags().
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180123170531.13687-5-david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index f727313a706f..f110fa96807e 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -57,9 +57,14 @@ static inline void kvm_s390_clear_cpuflags(struct kvm_vcpu *vcpu, u32 flags) atomic_andnot(flags, &vcpu->arch.sie_block->cpuflags); } +static inline bool kvm_s390_test_cpuflags(struct kvm_vcpu *vcpu, u32 flags) +{ + return (atomic_read(&vcpu->arch.sie_block->cpuflags) & flags) == flags; +} + static inline int is_vcpu_stopped(struct kvm_vcpu *vcpu) { - return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED; + return kvm_s390_test_cpuflags(vcpu, CPUSTAT_STOPPED); } static inline int is_vcpu_idle(struct kvm_vcpu *vcpu) |