diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index 9995cab..3a4e97f 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -20,6 +20,7 @@ #include <linux/kvm_host.h> #include <asm/facility.h> #include <asm/processor.h> +#include <asm/sclp.h> typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu); @@ -387,4 +388,13 @@ static inline union ipte_control *kvm_s390_get_ipte_control(struct kvm *kvm) return &sca->ipte_control; } +static inline int kvm_s390_use_sca_entries(void) +{ + /* + * Without SIGP interpretation, only SRS interpretation (if available) + * might use the entries. By not setting the entries and keeping them + * invalid, hardware will not access them but intercept. + */ + return sclp.has_sigpif; +} #endif |