diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index 87edfc919db9..a8655ed31616 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -61,9 +61,15 @@ static inline int kvm_is_ucontrol(struct kvm *kvm) #endif } +#define GUEST_PREFIX_SHIFT 13 +static inline u32 kvm_s390_get_prefix(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.sie_block->prefix << GUEST_PREFIX_SHIFT; +} + static inline void kvm_s390_set_prefix(struct kvm_vcpu *vcpu, u32 prefix) { - vcpu->arch.sie_block->prefix = prefix & 0x7fffe000u; + vcpu->arch.sie_block->prefix = prefix >> GUEST_PREFIX_SHIFT; vcpu->arch.sie_block->ihcpu = 0xffff; kvm_make_request(KVM_REQ_MMU_RELOAD, vcpu); } |