diff options
| -rw-r--r-- | arch/s390/kvm/vsie.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c index c8c8763e7822..90781ba52803 100644 --- a/arch/s390/kvm/vsie.c +++ b/arch/s390/kvm/vsie.c @@ -844,6 +844,11 @@ static void register_shadow_scb(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page) { WRITE_ONCE(vcpu->arch.vsie_block, &vsie_page->scb_s); + /* + * External calls have to lead to a kick of the vcpu and + * therefore the vsie -> Simulate Wait state. + */ + atomic_or(CPUSTAT_WAIT, &vcpu->arch.sie_block->cpuflags); } /* @@ -851,6 +856,7 @@ static void register_shadow_scb(struct kvm_vcpu *vcpu, */ static void unregister_shadow_scb(struct kvm_vcpu *vcpu) { + atomic_andnot(CPUSTAT_WAIT, &vcpu->arch.sie_block->cpuflags); WRITE_ONCE(vcpu->arch.vsie_block, NULL); } |