[PATCH 32/48] KVM: ppc: e500: Directly pass pvr to guest

From: Avi Kivity
Date: Sun Aug 16 2009 - 05:36:30 EST


From: Liu Yu <yu.liu@xxxxxxxxxxxxx>

Signed-off-by: Liu Yu <yu.liu@xxxxxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/powerpc/include/asm/kvm_host.h | 1 -
arch/powerpc/kvm/e500.c | 3 ---
arch/powerpc/kvm/emulate.c | 2 +-
3 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index fddc3ed..d4caa61 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -153,7 +153,6 @@ struct kvm_vcpu_arch {
u32 pid;
u32 swap_pid;

- u32 pvr;
u32 ccr0;
u32 ccr1;
u32 dbcr0;
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 674e796..64949ee 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -60,9 +60,6 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)

kvmppc_e500_tlb_setup(vcpu_e500);

- /* Use the same core vertion as host's */
- vcpu->arch.pvr = mfspr(SPRN_PVR);
-
return 0;
}

diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index a561d6e..f8b8248 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -187,7 +187,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
case SPRN_SRR1:
vcpu->arch.gpr[rt] = vcpu->arch.srr1; break;
case SPRN_PVR:
- vcpu->arch.gpr[rt] = vcpu->arch.pvr; break;
+ vcpu->arch.gpr[rt] = mfspr(SPRN_PVR); break;

/* Note: mftb and TBRL/TBWL are user-accessible, so
* the guest can always access the real TB anyways.
--
1.6.3.3

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