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Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_p9_entry.c')
-rw-r--r--arch/powerpc/kvm/book3s_hv_p9_entry.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_p9_entry.c b/arch/powerpc/kvm/book3s_hv_p9_entry.c
index ac38c1cad378..112a09b33328 100644
--- a/arch/powerpc/kvm/book3s_hv_p9_entry.c
+++ b/arch/powerpc/kvm/book3s_hv_p9_entry.c
@@ -539,8 +539,10 @@ static void switch_mmu_to_guest_radix(struct kvm *kvm, struct kvm_vcpu *vcpu, u6
{
struct kvm_nested_guest *nested = vcpu->arch.nested;
u32 lpid;
+ u32 pid;
lpid = nested ? nested->shadow_lpid : kvm->arch.lpid;
+ pid = vcpu->arch.pid;
/*
* Prior memory accesses to host PID Q3 must be completed before we
@@ -551,7 +553,7 @@ static void switch_mmu_to_guest_radix(struct kvm *kvm, struct kvm_vcpu *vcpu, u6
isync();
mtspr(SPRN_LPID, lpid);
mtspr(SPRN_LPCR, lpcr);
- mtspr(SPRN_PID, vcpu->arch.pid);
+ mtspr(SPRN_PID, pid);
/*
* isync not required here because we are HRFID'ing to guest before
* any guest context access, which is context synchronising.
@@ -561,9 +563,11 @@ static void switch_mmu_to_guest_radix(struct kvm *kvm, struct kvm_vcpu *vcpu, u6
static void switch_mmu_to_guest_hpt(struct kvm *kvm, struct kvm_vcpu *vcpu, u64 lpcr)
{
u32 lpid;
+ u32 pid;
int i;
lpid = kvm->arch.lpid;
+ pid = vcpu->arch.pid;
/*
* See switch_mmu_to_guest_radix. ptesync should not be required here
@@ -574,7 +578,7 @@ static void switch_mmu_to_guest_hpt(struct kvm *kvm, struct kvm_vcpu *vcpu, u64
isync();
mtspr(SPRN_LPID, lpid);
mtspr(SPRN_LPCR, lpcr);
- mtspr(SPRN_PID, vcpu->arch.pid);
+ mtspr(SPRN_PID, pid);
for (i = 0; i < vcpu->arch.slb_max; i++)
mtslb(vcpu->arch.slb[i].orige, vcpu->arch.slb[i].origv);
@@ -585,6 +589,9 @@ static void switch_mmu_to_guest_hpt(struct kvm *kvm, struct kvm_vcpu *vcpu, u64
static void switch_mmu_to_host(struct kvm *kvm, u32 pid)
{
+ u32 lpid = kvm->arch.host_lpid;
+ u64 lpcr = kvm->arch.host_lpcr;
+
/*
* The guest has exited, so guest MMU context is no longer being
* non-speculatively accessed, but a hwsync is needed before the
@@ -594,8 +601,8 @@ static void switch_mmu_to_host(struct kvm *kvm, u32 pid)
asm volatile("hwsync" ::: "memory");
isync();
mtspr(SPRN_PID, pid);
- mtspr(SPRN_LPID, kvm->arch.host_lpid);
- mtspr(SPRN_LPCR, kvm->arch.host_lpcr);
+ mtspr(SPRN_LPID, lpid);
+ mtspr(SPRN_LPCR, lpcr);
/*
* isync is not required after the switch, because mtmsrd with L=0
* is performed after this switch, which is context synchronising.