While PV MMU is dead and gone, we'll still want to pass gpa from guest to
host, and to do that properly we'll need to revive hc_gpa which died
during the great PV MMU massacre of 3.2.
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
---
arch/x86/kvm/x86.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 185a2b8..675dfb8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4993,6 +4993,15 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
return 1;
}
+static inline gpa_t hc_gpa(struct kvm_vcpu *vcpu, unsigned long a0,
+ unsigned long a1)
+{
+ if (is_long_mode(vcpu))
+ return a0;
+ else
+ return a0 | ((gpa_t)a1 << 32);
+}
+
int kvm_emulate_hypercall(struct kvm_vcpu *vcpu)
{
unsigned long nr, a0, a1, a2, a3, ret;
--
1.7.8.6
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