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kvm: powerpc: book3s: Allow the HV and PR selection per virtual machine

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This moves the kvmppc_ops callbacks to be a per VM entity. This
enables us to select HV and PR mode when creating a VM. We also
allow both kvm-hv and kvm-pr kernel module to be loaded. To
achieve this we move /dev/kvm ownership to kvm.ko module. Depending on
which KVM mode we select during VM creation we take a reference
count on respective module

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: fix coding style]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aneesh Kumar K.V
2013-10-07 22:18:01 +05:30
committed by Alexander Graf
parent 5587027ce9
commit cbbc58d4fd
14 changed files with 186 additions and 90 deletions
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8
arch/powerpc/kvm/e500.c
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@@ -555,13 +555,19 @@ static int __init kvmppc_e500_init(void)
flush_icache_range(kvmppc_booke_handlers, kvmppc_booke_handlers +
ivor[max_ivor] + handler_len);
r = kvm_init(&kvm_ops_e500, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
r = kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), 0, THIS_MODULE);
if (r)
goto err_out;
kvm_ops_e500.owner = THIS_MODULE;
kvmppc_pr_ops = &kvm_ops_e500;
err_out:
return r;
}
static void __exit kvmppc_e500_exit(void)
{
kvmppc_pr_ops = NULL;
kvmppc_booke_exit();
}