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| author |   David Hildenbrand <dahi@linux.vnet.ibm.com> | 2014-06-06 10:24:15 +0200 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2014-10-28 13:09:14 +0100 |
| commit | 07b0303540e1951c75c98b7dd729ff1851a0049f (patch) | |
| tree | b3a26b72bca935dea81468108ee4bcbb8c2830e4 /arch | |
| parent | KVM: s390: sigp: instruction counters for all sigp orders (diff) | |
| download | linux-dev-07b0303540e1951c75c98b7dd729ff1851a0049f.tar.xz linux-dev-07b0303540e1951c75c98b7dd729ff1851a0049f.zip | |
KVM: s390: sigp: inject emergency calls in a separate function
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@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kvm/sigp.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index 9ee63e4d8a24..1b330d4eb20b 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; |