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-rw-r--r--arch/x86/include/asm/kvm_host.h1
-rw-r--r--arch/x86/kvm/mmu.h2
-rw-r--r--arch/x86/kvm/mmu/mmu.c13
-rw-r--r--arch/x86/kvm/mmu/page_track.c2
4 files changed, 6 insertions, 12 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 9e76c910e52c..93fdc42458cc 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1265,7 +1265,6 @@ struct kvm_arch {
* create an NX huge page (without hanging the guest).
*/
struct list_head possible_nx_huge_pages;
- struct kvm_page_track_notifier_node mmu_sp_tracker;
struct kvm_page_track_notifier_head track_notifier_head;
/*
* Protects marking pages unsync during page faults, as TDP MMU page
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 92d5a1924fc1..253fb2093d5d 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -121,6 +121,8 @@ void kvm_mmu_unload(struct kvm_vcpu *vcpu);
void kvm_mmu_free_obsolete_roots(struct kvm_vcpu *vcpu);
void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu);
void kvm_mmu_sync_prev_roots(struct kvm_vcpu *vcpu);
+void kvm_mmu_track_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new,
+ int bytes);
static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
{
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index eabd5b13970d..28385642eb98 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5635,9 +5635,8 @@ static u64 *get_written_sptes(struct kvm_mmu_page *sp, gpa_t gpa, int *nspte)
return spte;
}
-static void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
- const u8 *new, int bytes,
- struct kvm_page_track_notifier_node *node)
+void kvm_mmu_track_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new,
+ int bytes)
{
gfn_t gfn = gpa >> PAGE_SHIFT;
struct kvm_mmu_page *sp;
@@ -6161,7 +6160,6 @@ static bool kvm_has_zapped_obsolete_pages(struct kvm *kvm)
int kvm_mmu_init_vm(struct kvm *kvm)
{
- struct kvm_page_track_notifier_node *node = &kvm->arch.mmu_sp_tracker;
int r;
INIT_LIST_HEAD(&kvm->arch.active_mmu_pages);
@@ -6175,9 +6173,6 @@ int kvm_mmu_init_vm(struct kvm *kvm)
return r;
}
- node->track_write = kvm_mmu_pte_write;
- kvm_page_track_register_notifier(kvm, node);
-
kvm->arch.split_page_header_cache.kmem_cache = mmu_page_header_cache;
kvm->arch.split_page_header_cache.gfp_zero = __GFP_ZERO;
@@ -6198,10 +6193,6 @@ static void mmu_free_vm_memory_caches(struct kvm *kvm)
void kvm_mmu_uninit_vm(struct kvm *kvm)
{
- struct kvm_page_track_notifier_node *node = &kvm->arch.mmu_sp_tracker;
-
- kvm_page_track_unregister_notifier(kvm, node);
-
if (tdp_mmu_enabled)
kvm_mmu_uninit_tdp_mmu(kvm);
diff --git a/arch/x86/kvm/mmu/page_track.c b/arch/x86/kvm/mmu/page_track.c
index fd16918b3a7a..bca0994ea157 100644
--- a/arch/x86/kvm/mmu/page_track.c
+++ b/arch/x86/kvm/mmu/page_track.c
@@ -274,6 +274,8 @@ void kvm_page_track_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new,
if (n->track_write)
n->track_write(vcpu, gpa, new, bytes, n);
srcu_read_unlock(&head->track_srcu, idx);
+
+ kvm_mmu_track_write(vcpu, gpa, new, bytes);
}
/*