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| author | David Hildenbrand | 2015-11-24 13:53:04 +0100 |
|---|---|---|
| committer | Christian Borntraeger | 2016-06-10 12:07:19 +0200 |
| commit | c24cc9c8a6ca798427d3ff46b55df8403361df3e (patch) | |
| tree | 379fbfa1fcb1d827ab50c5fa40ac01f46960df71 /arch/s390/kvm/kvm-s390.c | |
| parent | s390/sclp: detect cmma (diff) | |
| download | kernel-qcow2-linux-c24cc9c8a6ca798427d3ff46b55df8403361df3e.tar.gz kernel-qcow2-linux-c24cc9c8a6ca798427d3ff46b55df8403361df3e.tar.xz kernel-qcow2-linux-c24cc9c8a6ca798427d3ff46b55df8403361df3e.zip | |
KVM: s390: enable CMMA if the interpration is available
Now that we can detect if collaborative-memory-management interpretation
is available, replace the heuristic by a real hardware detection.
Signed-off-by: David Hildenbrand <dahi@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 | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index e477c8e5b5c1..005e664f6360 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -485,9 +485,8 @@ static int kvm_s390_set_mem_control(struct kvm *kvm, struct kvm_device_attr *att unsigned int idx; switch (attr->attr) { case KVM_S390_VM_MEM_ENABLE_CMMA: - /* enable CMMA only for z10 and later (EDAT_1) */ ret = -EINVAL; - if (!MACHINE_IS_LPAR || !MACHINE_HAS_EDAT1) + if (!sclp.has_cmma) break; ret = -EBUSY; |