KVM: Replace get_mt_mask_shift with get_mt_mask
Shadow_mt_mask is out of date, now it have only been used as a flag to indicate
if TDP enabled. Get rid of it and use tdp_enabled instead.
Also put memory type logical in kvm_x86_ops->get_mt_mask().
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 25be53a..59b080c 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3577,9 +3577,17 @@
return VMX_EPT_DEFAULT_GAW + 1;
}
-static int vmx_get_mt_mask_shift(void)
+static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
{
- return VMX_EPT_MT_EPTE_SHIFT;
+ u64 ret;
+
+ if (is_mmio)
+ ret = MTRR_TYPE_UNCACHABLE << VMX_EPT_MT_EPTE_SHIFT;
+ else
+ ret = (kvm_get_guest_memory_type(vcpu, gfn) <<
+ VMX_EPT_MT_EPTE_SHIFT) | VMX_EPT_IGMT_BIT;
+
+ return ret;
}
static struct kvm_x86_ops vmx_x86_ops = {
@@ -3639,7 +3647,7 @@
.set_tss_addr = vmx_set_tss_addr,
.get_tdp_level = get_ept_level,
- .get_mt_mask_shift = vmx_get_mt_mask_shift,
+ .get_mt_mask = vmx_get_mt_mask,
};
static int __init vmx_init(void)
@@ -3698,8 +3706,7 @@
kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK |
VMX_EPT_WRITABLE_MASK);
kvm_mmu_set_mask_ptes(0ull, 0ull, 0ull, 0ull,
- VMX_EPT_EXECUTABLE_MASK,
- VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT);
+ VMX_EPT_EXECUTABLE_MASK);
kvm_enable_tdp();
} else
kvm_disable_tdp();