From: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx>
In preparation for further code changes, this patch moves the injection of
emergency calls into a separate function and uses it for the processing of
SIGP EMERGENCY CALL and SIGP CONDITIONAL EMERGENCY CALL.
Signed-off-by: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx>
Acked-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
---
arch/s390/kvm/sigp.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 9ee63e4..1b330d4 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -46,7 +46,8 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu,
return rc;
}
-static int __sigp_emergency(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu)
+static int __inject_sigp_emergency(struct kvm_vcpu *vcpu,
+ struct kvm_vcpu *dst_vcpu)
{
struct kvm_s390_interrupt s390int = {
.type = KVM_S390_INT_EMERGENCY,
@@ -62,6 +63,11 @@ static int __sigp_emergency(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu)
return rc ? rc : SIGP_CC_ORDER_CODE_ACCEPTED;
}
+static int __sigp_emergency(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu)
+{
+ return __inject_sigp_emergency(vcpu, dst_vcpu);
+}
+
static int __sigp_conditional_emergency(struct kvm_vcpu *vcpu,
struct kvm_vcpu *dst_vcpu,
u16 asn, u64 *reg)
@@ -76,12 +82,12 @@ static int __sigp_conditional_emergency(struct kvm_vcpu *vcpu,
p_asn = dst_vcpu->arch.sie_block->gcr[4] & 0xffff; /* Primary ASN */
s_asn = dst_vcpu->arch.sie_block->gcr[3] & 0xffff; /* Secondary ASN */
- /* Deliver the emergency signal? */
+ /* Inject the emergency signal? */
if (!(flags & CPUSTAT_STOPPED)
|| (psw->mask & psw_int_mask) != psw_int_mask
|| ((flags & CPUSTAT_WAIT) && psw->addr != 0)
|| (!(flags & CPUSTAT_WAIT) && (asn == p_asn || asn == s_asn))) {
- return __sigp_emergency(vcpu, dst_vcpu);
+ return __inject_sigp_emergency(vcpu, dst_vcpu);
} else {
*reg &= 0xffffffff00000000UL;
*reg |= SIGP_STATUS_INCORRECT_STATE;
--
1.9.3
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