diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f69333fd2fa3..0b5aff0e3984 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2768,18 +2768,25 @@ static void kvm_s390_vcpu_request(struct kvm_vcpu *vcpu) exit_sie(vcpu); } +bool kvm_s390_vcpu_sie_inhibited(struct kvm_vcpu *vcpu) +{ + return atomic_read(&vcpu->arch.sie_block->prog20) & + (PROG_BLOCK_SIE | PROG_REQUEST); +} + static void kvm_s390_vcpu_request_handled(struct kvm_vcpu *vcpu) { atomic_andnot(PROG_REQUEST, &vcpu->arch.sie_block->prog20); } /* - * Kick a guest cpu out of SIE and wait until SIE is not running. + * Kick a guest cpu out of (v)SIE and wait until (v)SIE is not running. * If the CPU is not running (e.g. waiting as idle) the function will * return immediately. */ void exit_sie(struct kvm_vcpu *vcpu) { kvm_s390_set_cpuflags(vcpu, CPUSTAT_STOP_INT); + kvm_s390_vsie_kick(vcpu); while (vcpu->arch.sie_block->prog0c & PROG_IN_SIE) cpu_relax(); } |