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@xxxxxxx>
---
arch/powerpc/include/asm/kvm_ppc.h | 1 +
arch/powerpc/kvm/book3s.c | 8 +-------
arch/powerpc/kvm/book3s_64_mmu_host.c | 18 ++++++++++++++++++
3 files changed, 20 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index edade84..18d139e 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -69,6 +69,7 @@ extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
+extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 6eb2da2..b917b97 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1201,14 +1201,9 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
vcpu->arch.shadow_msr = MSR_USER64;
- err = __init_new_context();
+ err = kvmppc_mmu_init(vcpu);
if (err < 0)
goto free_shadow_vcpu;
- vcpu_book3s->context_id = err;
-
- vcpu_book3s->vsid_max = ((vcpu_book3s->context_id + 1) << USER_ESID_BITS) - 1;
- vcpu_book3s->vsid_first = vcpu_book3s->context_id << USER_ESID_BITS;
- vcpu_book3s->vsid_next = vcpu_book3s->vsid_first;
return vcpu;
@@ -1224,7 +1219,6 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
{
struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
- __destroy_context(vcpu_book3s->context_id);
kvm_vcpu_uninit(vcpu);
kfree(vcpu_book3s->shadow_vcpu);
vfree(vcpu_book3s);
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index b0f5b4e..0eea589 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;
}
--
1.6.0.2
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