diff options
author | Michael Mueller <mimu@linux.vnet.ibm.com> | 2015-02-27 08:25:10 -0500 |
---|---|---|
committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-03-04 04:33:25 -0500 |
commit | fb5bf93f84c277546473be35543ed7890f6e6742 (patch) | |
tree | af15c8f79a9acb850421e53db917debb639ba5b8 | |
parent | 981467c930bdfa4be59acbbc9f3a80eb9e3167a8 (diff) |
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>
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 17 |
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) | |||
902 | if (!kvm->arch.model.fac) | 902 | if (!kvm->arch.model.fac) |
903 | goto out_nofac; | 903 | goto out_nofac; |
904 | 904 | ||
905 | /* Populate the facility mask initially. */ | ||
905 | memcpy(kvm->arch.model.fac->mask, S390_lowcore.stfle_fac_list, | 906 | memcpy(kvm->arch.model.fac->mask, S390_lowcore.stfle_fac_list, |
906 | S390_ARCH_FAC_LIST_SIZE_BYTE); | 907 | S390_ARCH_FAC_LIST_SIZE_BYTE); |
907 | |||
908 | /* | ||
909 | * If this KVM host runs *not* in a LPAR, relax the facility bits | ||
910 | * of the kvm facility mask by all missing facilities. This will allow | ||
911 | * to determine the right CPU model by means of the remaining facilities. | ||
912 | * Live guest migration must prohibit the migration of KVMs running in | ||
913 | * a LPAR to non LPAR hosts. | ||
914 | */ | ||
915 | if (!MACHINE_IS_LPAR) | ||
916 | for (i = 0; i < kvm_s390_fac_list_mask_size(); i++) | ||
917 | kvm_s390_fac_list_mask[i] &= kvm->arch.model.fac->mask[i]; | ||
918 | |||
919 | /* | ||
920 | * Apply the kvm facility mask to limit the kvm supported/tolerated | ||
921 | * facility list. | ||
922 | */ | ||
923 | for (i = 0; i < S390_ARCH_FAC_LIST_SIZE_U64; i++) { | 908 | for (i = 0; i < S390_ARCH_FAC_LIST_SIZE_U64; i++) { |
924 | if (i < kvm_s390_fac_list_mask_size()) | 909 | if (i < kvm_s390_fac_list_mask_size()) |
925 | kvm->arch.model.fac->mask[i] &= kvm_s390_fac_list_mask[i]; | 910 | kvm->arch.model.fac->mask[i] &= kvm_s390_fac_list_mask[i]; |