Il 10/05/2014 09:24, Jan Kiszka ha scritto:
From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Regression of 346874c9: PAE is set in long mode, but that does not mean
we have valid PDPTRs.
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
arch/x86/kvm/x86.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c5582c3..198aac8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -701,10 +701,11 @@ int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
return 0;
}
- if (is_long_mode(vcpu) && (cr3 & CR3_L_MODE_RESERVED_BITS))
- return 1;
- if (is_pae(vcpu) && is_paging(vcpu) &&
- !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3))
+ if (is_long_mode(vcpu)) {
+ if (cr3 & CR3_L_MODE_RESERVED_BITS)
+ return 1;
+ } else if (is_pae(vcpu) && is_paging(vcpu) &&
+ !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3))
return 1;
vcpu->arch.cr3 = cr3;
Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
will apply tomorrow, thanks.
Paolo
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