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authorMichael Mueller <mimu@linux.vnet.ibm.com>2015-02-27 14:25:10 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-03-04 10:33:25 +0100
commitfb5bf93f84c277546473be35543ed7890f6e6742 (patch)
treeaf15c8f79a9acb850421e53db917debb639ba5b8 /arch/s390
parentKVM: s390: include guest facilities in kvm facility test (diff)
downloadlinux-fb5bf93f84c277546473be35543ed7890f6e6742.tar.xz
linux-fb5bf93f84c277546473be35543ed7890f6e6742.zip
KVM: s390: non-LPAR case obsolete during facilities mask init
With patch "include guest facilities in kvm facility test" it is no longer necessary to have special handling for the non-LPAR case. Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/kvm-s390.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 5a02be4628f1..f6579cfde2df 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -902,24 +902,9 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
if (!kvm->arch.model.fac)
goto out_nofac;
+ /* Populate the facility mask initially. */
memcpy(kvm->arch.model.fac->mask, S390_lowcore.stfle_fac_list,
S390_ARCH_FAC_LIST_SIZE_BYTE);
-
- /*
- * If this KVM host runs *not* in a LPAR, relax the facility bits
- * of the kvm facility mask by all missing facilities. This will allow
- * to determine the right CPU model by means of the remaining facilities.
- * Live guest migration must prohibit the migration of KVMs running in
- * a LPAR to non LPAR hosts.
- */
- if (!MACHINE_IS_LPAR)
- for (i = 0; i < kvm_s390_fac_list_mask_size(); i++)
- kvm_s390_fac_list_mask[i] &= kvm->arch.model.fac->mask[i];
-
- /*
- * Apply the kvm facility mask to limit the kvm supported/tolerated
- * facility list.
- */
for (i = 0; i < S390_ARCH_FAC_LIST_SIZE_U64; i++) {
if (i < kvm_s390_fac_list_mask_size())
kvm->arch.model.fac->mask[i] &= kvm_s390_fac_list_mask[i];