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authorLiu Yu <yu.liu@freescale.com>2011-06-14 18:34:59 -0500
committerAvi Kivity <avi@redhat.com>2011-07-12 13:16:38 +0300
commit08b7fa92b9250eab0f493f7721977e781a887b3d (patch)
treec798369236627a144d541809b9c298332509455e /arch/powerpc/include
parenta4cd8b23ac5786943202c0174c717956947db43c (diff)
downloadop-kernel-dev-08b7fa92b9250eab0f493f7721977e781a887b3d.zip
op-kernel-dev-08b7fa92b9250eab0f493f7721977e781a887b3d.tar.gz
KVM: PPC: e500: Stop keeping shadow TLB
Instead of a fully separate set of TLB entries, keep just the pfn and dirty status. Signed-off-by: Liu Yu <yu.liu@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/kvm_e500.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h
index f181ad1..4a6d77a 100644
--- a/arch/powerpc/include/asm/kvm_e500.h
+++ b/arch/powerpc/include/asm/kvm_e500.h
@@ -29,15 +29,23 @@ struct tlbe{
u32 mas7;
};
+#define E500_TLB_VALID 1
+#define E500_TLB_DIRTY 2
+
+struct tlbe_priv {
+ pfn_t pfn;
+ unsigned int flags; /* E500_TLB_* */
+};
+
struct kvmppc_vcpu_e500 {
/* Unmodified copy of the guest's TLB. */
- struct tlbe *guest_tlb[E500_TLB_NUM];
- /* TLB that's actually used when the guest is running. */
- struct tlbe *shadow_tlb[E500_TLB_NUM];
+ struct tlbe *gtlb_arch[E500_TLB_NUM];
+
+ /* KVM internal information associated with each guest TLB entry */
+ struct tlbe_priv *gtlb_priv[E500_TLB_NUM];
- unsigned int guest_tlb_size[E500_TLB_NUM];
- unsigned int shadow_tlb_size[E500_TLB_NUM];
- unsigned int guest_tlb_nv[E500_TLB_NUM];
+ unsigned int gtlb_size[E500_TLB_NUM];
+ unsigned int gtlb_nv[E500_TLB_NUM];
u32 host_pid[E500_PID_NUM];
u32 pid[E500_PID_NUM];
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