]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
KVM: s390: non-LPAR case obsolete during facilities mask init
authorMichael Mueller <mimu@linux.vnet.ibm.com>
Fri, 27 Feb 2015 13:25:10 +0000 (14:25 +0100)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Wed, 4 Mar 2015 09:33:25 +0000 (10:33 +0100)
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>
arch/s390/kvm/kvm-s390.c

index 5a02be4628f1ecd059d4cbd38b73d31ddf5777ea..f6579cfde2dfb3ae17b0b9968d209c6d6b0cabd8 100644 (file)
@@ -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];