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| author | Alexander Graf <agraf@suse.de> | 2010-04-16 00:11:45 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-05-17 12:18:34 +0300 |
| commit | 9cc5e9538ab7cbbfb1d7263373d2f58ab2af2bad (patch) | |
| tree | 058bf5939ecca2f3b805dd657cc565051947db07 /arch/powerpc/kvm/book3s_64_mmu_host.c | |
| parent | 0604675fe17f68741730cebe74422605bb79d972 (diff) | |
| download | linux-9cc5e9538ab7cbbfb1d7263373d2f58ab2af2bad.tar.gz linux-9cc5e9538ab7cbbfb1d7263373d2f58ab2af2bad.tar.bz2 linux-9cc5e9538ab7cbbfb1d7263373d2f58ab2af2bad.zip | |
KVM: PPC: Extract MMU init
The host shadow mmu code needs to get initialized. It needs to fetch a
segment it can use to put shadow PTEs into.
That initialization code was in generic code, which is icky. Let's move
it over to the respective MMU file.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_mmu_host.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_host.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c index b0f5b4edaec2..0eea589dbef0 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_host.c +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -405,4 +405,22 @@ void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu) void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu) { kvmppc_mmu_pte_flush(vcpu, 0, 0); + __destroy_context(to_book3s(vcpu)->context_id); +} + +int kvmppc_mmu_init(struct kvm_vcpu *vcpu) +{ + struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu); + int err; + + err = __init_new_context(); + if (err < 0) + return -1; + vcpu3s->context_id = err; + + vcpu3s->vsid_max = ((vcpu3s->context_id + 1) << USER_ESID_BITS) - 1; + vcpu3s->vsid_first = vcpu3s->context_id << USER_ESID_BITS; + vcpu3s->vsid_next = vcpu3s->vsid_first; + + return 0; } |