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Diffstat (limited to 'arch/x86/kvm/vmx/vmx.c')
-rw-r--r--arch/x86/kvm/vmx/vmx.c55
1 files changed, 1 insertions, 54 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 02456ab8fd0c..eb207ffb7873 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -5766,24 +5766,6 @@ static void vmx_flush_pml_buffer(struct kvm_vcpu *vcpu)
vmcs_write16(GUEST_PML_INDEX, PML_ENTITY_NUM - 1);
}
-/*
- * Flush all vcpus' PML buffer and update logged GPAs to dirty_bitmap.
- * Called before reporting dirty_bitmap to userspace.
- */
-static void kvm_flush_pml_buffers(struct kvm *kvm)
-{
- int i;
- struct kvm_vcpu *vcpu;
- /*
- * We only need to kick vcpu out of guest mode here, as PML buffer
- * is flushed at beginning of all VMEXITs, and it's obvious that only
- * vcpus running in guest are possible to have unflushed GPAs in PML
- * buffer.
- */
- kvm_for_each_vcpu(i, vcpu, kvm)
- kvm_vcpu_kick(vcpu);
-}
-
static void vmx_dump_sel(char *name, uint32_t sel)
{
pr_err("%s sel=0x%04x, attr=0x%05x, limit=0x%08x, base=0x%016lx\n",
@@ -7509,32 +7491,6 @@ static void vmx_sched_in(struct kvm_vcpu *vcpu, int cpu)
shrink_ple_window(vcpu);
}
-static void vmx_slot_enable_log_dirty(struct kvm *kvm,
- struct kvm_memory_slot *slot)
-{
- if (!kvm_dirty_log_manual_protect_and_init_set(kvm))
- kvm_mmu_slot_leaf_clear_dirty(kvm, slot);
- kvm_mmu_slot_largepage_remove_write_access(kvm, slot);
-}
-
-static void vmx_slot_disable_log_dirty(struct kvm *kvm,
- struct kvm_memory_slot *slot)
-{
- kvm_mmu_slot_set_dirty(kvm, slot);
-}
-
-static void vmx_flush_log_dirty(struct kvm *kvm)
-{
- kvm_flush_pml_buffers(kvm);
-}
-
-static void vmx_enable_log_dirty_pt_masked(struct kvm *kvm,
- struct kvm_memory_slot *memslot,
- gfn_t offset, unsigned long mask)
-{
- kvm_mmu_clear_dirty_pt_masked(kvm, memslot, offset, mask);
-}
-
static int vmx_pre_block(struct kvm_vcpu *vcpu)
{
if (pi_pre_block(vcpu))
@@ -7741,10 +7697,6 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.sched_in = vmx_sched_in,
- .slot_enable_log_dirty = vmx_slot_enable_log_dirty,
- .slot_disable_log_dirty = vmx_slot_disable_log_dirty,
- .flush_log_dirty = vmx_flush_log_dirty,
- .enable_log_dirty_pt_masked = vmx_enable_log_dirty_pt_masked,
.cpu_dirty_log_size = PML_ENTITY_NUM,
.pre_block = vmx_pre_block,
@@ -7889,13 +7841,8 @@ static __init int hardware_setup(void)
if (!enable_ept || !enable_ept_ad_bits || !cpu_has_vmx_pml())
enable_pml = 0;
- if (!enable_pml) {
- vmx_x86_ops.slot_enable_log_dirty = NULL;
- vmx_x86_ops.slot_disable_log_dirty = NULL;
- vmx_x86_ops.flush_log_dirty = NULL;
- vmx_x86_ops.enable_log_dirty_pt_masked = NULL;
+ if (!enable_pml)
vmx_x86_ops.cpu_dirty_log_size = 0;
- }
if (!cpu_has_vmx_preemption_timer())
enable_preemption_timer = false;