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KVM: PPC: Add support for explicit HIOR setting

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Until now, we always set HIOR based on the PVR, but this is just wrong.
Instead, we should be setting HIOR explicitly, so user space can decide
what the initial HIOR value is - just like on real hardware.

We keep the old PVR based way around for backwards compatibility, but
once user space uses the SET_ONE_REG based method, we drop the PVR logic.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Alexander Graf
2011-09-14 21:45:23 +02:00
committed by Avi Kivity
parent e24ed81fed
commit 1022fc3d3b
6 changed files with 23 additions and 2 deletions
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arch/powerpc/include/asm/kvm_book3s.h
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@@ -90,6 +90,8 @@ struct kvmppc_vcpu_book3s {
#endif
int context_id[SID_CONTEXTS];
bool hior_explicit; /* HIOR is set by ioctl, not PVR */
struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];