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| author | Guenther Hutzl | 2015-03-31 14:39:49 +0200 |
|---|---|---|
| committer | Christian Borntraeger | 2015-05-08 15:51:13 +0200 |
| commit | a4a4f1916abbbc3148d79a37cf3fe4f3f6c604d9 (patch) | |
| tree | badc578ba42be824497abd57b479b94902ca1900 /arch/s390/kvm/kvm-s390.c | |
| parent | KVM: s390: optimize round trip time in request handling (diff) | |
| download | kernel-qcow2-linux-a4a4f1916abbbc3148d79a37cf3fe4f3f6c604d9.tar.gz kernel-qcow2-linux-a4a4f1916abbbc3148d79a37cf3fe4f3f6c604d9.tar.xz kernel-qcow2-linux-a4a4f1916abbbc3148d79a37cf3fe4f3f6c604d9.zip | |
KVM: s390: make EDAT1 depend on host support
We should only enable EDAT1 for the guest if the host actually supports
it and the cpu model for the guest has EDAT-1 enabled.
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Guenther Hutzl <hutzl@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f5282e62f87f..2da36c432aea 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1311,8 +1311,11 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | CPUSTAT_SM | - CPUSTAT_STOPPED | - CPUSTAT_GED); + CPUSTAT_STOPPED); + + if (test_kvm_facility(vcpu->kvm, 8)) + atomic_set_mask(CPUSTAT_GED, &vcpu->arch.sie_block->cpuflags); + kvm_s390_vcpu_setup_model(vcpu); vcpu->arch.sie_block->ecb = 6; |