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-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index cffa51c6049ee..d6354f3795549 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -7,6 +7,8 @@
#include "tdp_mmu.h"
#include "spte.h"
+#include <trace/events/kvm.h>
+
#ifdef CONFIG_X86_64
static bool __read_mostly tdp_mmu_enabled = false;
module_param_named(tdp_mmu, tdp_mmu_enabled, bool, 0644);
@@ -108,6 +110,8 @@ static struct kvm_mmu_page *alloc_tdp_mmu_page(struct kvm_vcpu *vcpu, gfn_t gfn,
sp->gfn = gfn;
sp->tdp_mmu_page = true;
+ trace_kvm_mmu_get_page(sp, true);
+
return sp;
}
@@ -278,6 +282,8 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
pt = spte_to_child_pt(old_spte, level);
sp = sptep_to_sp(pt);
+ trace_kvm_mmu_prepare_zap_page(sp);
+
list_del(&sp->link);
if (sp->lpage_disallowed)
@@ -480,11 +486,13 @@ static int tdp_mmu_map_handle_target_level(struct kvm_vcpu *vcpu, int write,
if (unlikely(is_noslot_pfn(pfn))) {
new_spte = make_mmio_spte(vcpu, iter->gfn, ACC_ALL);
trace_mark_mmio_spte(iter->sptep, iter->gfn, new_spte);
- } else
+ } else {
make_spte_ret = make_spte(vcpu, ACC_ALL, iter->level, iter->gfn,
pfn, iter->old_spte, prefault, true,
map_writable, !shadow_accessed_mask,
&new_spte);
+ trace_kvm_mmu_set_spte(iter->level, iter->gfn, iter->sptep);
+ }
if (new_spte == iter->old_spte)
ret = RET_PF_SPURIOUS;
@@ -698,6 +706,8 @@ static int age_gfn_range(struct kvm *kvm, struct kvm_memory_slot *slot,
tdp_mmu_set_spte_no_acc_track(kvm, &iter, new_spte);
young = 1;
+
+ trace_kvm_age_page(iter.gfn, iter.level, slot, young);
}
return young;