From: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>
This patch is to add last_level in the struct kvm_mmu_page. When build
flush tlb range list, last_level will be used to identify whehter the
page should be added into list.
Signed-off-by: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/mmu.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 4a3d3e58fe0a..9d858d68c17a 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -325,6 +325,7 @@ struct kvm_mmu_page {
struct hlist_node flush_link;
struct hlist_node hash_link;
bool unsync;
+ bool last_level;
/*
* The following two entries are used to key the shadow page in the
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index ce770b446238..70cafd3f95ab 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2918,6 +2918,9 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
if (level > PT_PAGE_TABLE_LEVEL)
spte |= PT_PAGE_SIZE_MASK;
+
+ sp->last_level = is_last_spte(spte, level);
+
if (tdp_enabled)
spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn,
kvm_is_mmio_pfn(pfn));
--
2.14.4
