diff options
Diffstat (limited to 'arch/x86/kvm/vmx/vmx.c')
-rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 55 |
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; |