diff options
| -rw-r--r-- | arch/x86/kvm/vmx/main.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/nested.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 10 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.h | 5 |
4 files changed, 11 insertions, 8 deletions
diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c index d8614ffd0ef1..28360c350454 100644 --- a/arch/x86/kvm/vmx/main.c +++ b/arch/x86/kvm/vmx/main.c @@ -125,7 +125,7 @@ struct kvm_x86_ops vt_x86_ops __initdata = { .check_intercept = vmx_check_intercept, .handle_exit_irqoff = vmx_handle_exit_irqoff, - .cpu_dirty_log_size = PML_ENTITY_NUM, + .cpu_dirty_log_size = PML_LOG_NR_ENTRIES, .update_cpu_dirty_logging = vmx_update_cpu_dirty_logging, .nested_ops = &vmx_nested_ops, diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 42dd24e971cd..a0ea5317cec8 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -3442,7 +3442,7 @@ static int nested_vmx_write_pml_buffer(struct kvm_vcpu *vcpu, gpa_t gpa) if (!nested_cpu_has_pml(vmcs12)) return 0; - if (vmcs12->guest_pml_index >= PML_ENTITY_NUM) { + if (vmcs12->guest_pml_index >= PML_LOG_NR_ENTRIES) { vmx->nested.pml_full = true; return 1; } diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index edbed8ef2fe4..06cf7e01baf6 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -4821,7 +4821,7 @@ static void init_vmcs(struct vcpu_vmx *vmx) if (enable_pml) { vmcs_write64(PML_ADDRESS, page_to_phys(vmx->pml_pg)); - vmcs_write16(GUEST_PML_INDEX, PML_ENTITY_NUM - 1); + vmcs_write16(GUEST_PML_INDEX, PML_HEAD_INDEX); } vmx_write_encls_bitmap(&vmx->vcpu, NULL); @@ -6209,17 +6209,17 @@ static void vmx_flush_pml_buffer(struct kvm_vcpu *vcpu) pml_idx = vmcs_read16(GUEST_PML_INDEX); /* Do nothing if PML buffer is empty */ - if (pml_idx == (PML_ENTITY_NUM - 1)) + if (pml_idx == PML_HEAD_INDEX) return; /* PML index always points to next available PML buffer entity */ - if (pml_idx >= PML_ENTITY_NUM) + if (pml_idx >= PML_LOG_NR_ENTRIES) pml_idx = 0; else pml_idx++; pml_buf = page_address(vmx->pml_pg); - for (; pml_idx < PML_ENTITY_NUM; pml_idx++) { + for (; pml_idx < PML_LOG_NR_ENTRIES; pml_idx++) { u64 gpa; gpa = pml_buf[pml_idx]; @@ -6228,7 +6228,7 @@ static void vmx_flush_pml_buffer(struct kvm_vcpu *vcpu) } /* reset PML index */ - vmcs_write16(GUEST_PML_INDEX, PML_ENTITY_NUM - 1); + vmcs_write16(GUEST_PML_INDEX, PML_HEAD_INDEX); } static void vmx_dump_sel(char *name, uint32_t sel) diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 892302022094..8b111ce1087c 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -331,7 +331,10 @@ struct vcpu_vmx { bool ple_window_dirty; /* Support for PML */ -#define PML_ENTITY_NUM 512 +#define PML_LOG_NR_ENTRIES 512 + /* PML is written backwards: this is the first entry written by the CPU */ +#define PML_HEAD_INDEX (PML_LOG_NR_ENTRIES-1) + struct page *pml_pg; /* apic deadline value in host tsc */ |