From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
The guest memory population logic will need to know what page size or level
(4K, 2M, ...) is mapped.
Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
---
v2:
- Newly added.
---
arch/x86/kvm/mmu/mmu_internal.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
index 9baae6c223ee..b0a10f5a40dd 100644
--- a/arch/x86/kvm/mmu/mmu_internal.h
+++ b/arch/x86/kvm/mmu/mmu_internal.h
@@ -288,7 +288,8 @@ static inline void kvm_mmu_prepare_memory_fault_exit(struct kvm_vcpu *vcpu,
}
static inline int __kvm_mmu_do_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
- u64 err, bool prefetch, int *emulation_type)
+ u64 err, bool prefetch,
+ int *emulation_type, u8 *level)
{
struct kvm_page_fault fault = {
.addr = cr2_or_gpa,
@@ -330,6 +331,8 @@ static inline int __kvm_mmu_do_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gp
if (fault.write_fault_to_shadow_pgtable && emulation_type)
*emulation_type |= EMULTYPE_WRITE_PF_TO_SP;
+ if (level)
+ *level = fault.goal_level;
return r;
}
@@ -347,7 +350,8 @@ static inline int kvm_mmu_do_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
if (!prefetch)
vcpu->stat.pf_taken++;
- r = __kvm_mmu_do_page_fault(vcpu, cr2_or_gpa, err, prefetch, emulation_type);
+ r = __kvm_mmu_do_page_fault(vcpu, cr2_or_gpa, err, prefetch,
+ emulation_type, NULL);
/*
* Similar to above, prefetch faults aren't truly spurious, and the
--
2.43.2
