[PATCH 18/38] KVM: Rename vcpu->shadow_efer to efer

From: Avi Kivity
Date: Tue Feb 16 2010 - 05:36:22 EST

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None of the other registers have the shadow_ prefix.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
---
arch/x86/include/asm/kvm_host.h | 2 +-
arch/x86/kvm/mmu.c | 2 +-
arch/x86/kvm/svm.c | 12 ++++++------
arch/x86/kvm/vmx.c | 14 +++++++-------
arch/x86/kvm/x86.c | 14 +++++++-------
arch/x86/kvm/x86.h | 2 +-
6 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 7ebf9fe..1522337 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -277,7 +277,7 @@ struct kvm_vcpu_arch {
unsigned long cr8;
u32 hflags;
u64 pdptrs[4]; /* pae */
- u64 shadow_efer;
+ u64 efer;
u64 apic_base;
struct kvm_lapic *apic; /* kernel irqchip context */
int32_t apic_arb_prio;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 6f7158f..599c422 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -237,7 +237,7 @@ static int is_cpuid_PSE36(void)

static int is_nx(struct kvm_vcpu *vcpu)
{
- return vcpu->arch.shadow_efer & EFER_NX;
+ return vcpu->arch.efer & EFER_NX;
}

static int is_shadow_present_pte(u64 pte)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 800208a..9596cc8 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -231,7 +231,7 @@ static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
efer &= ~EFER_LME;

to_svm(vcpu)->vmcb->save.efer = efer | EFER_SVME;
- vcpu->arch.shadow_efer = efer;
+ vcpu->arch.efer = efer;
}

static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
@@ -996,14 +996,14 @@ static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
struct vcpu_svm *svm = to_svm(vcpu);

#ifdef CONFIG_X86_64
- if (vcpu->arch.shadow_efer & EFER_LME) {
+ if (vcpu->arch.efer & EFER_LME) {
if (!is_paging(vcpu) && (cr0 & X86_CR0_PG)) {
- vcpu->arch.shadow_efer |= EFER_LMA;
+ vcpu->arch.efer |= EFER_LMA;
svm->vmcb->save.efer |= EFER_LMA | EFER_LME;
}

if (is_paging(vcpu) && !(cr0 & X86_CR0_PG)) {
- vcpu->arch.shadow_efer &= ~EFER_LMA;
+ vcpu->arch.efer &= ~EFER_LMA;
svm->vmcb->save.efer &= ~(EFER_LMA | EFER_LME);
}
}
@@ -1361,7 +1361,7 @@ static int vmmcall_interception(struct vcpu_svm *svm)

static int nested_svm_check_permissions(struct vcpu_svm *svm)
{
- if (!(svm->vcpu.arch.shadow_efer & EFER_SVME)
+ if (!(svm->vcpu.arch.efer & EFER_SVME)
|| !is_paging(&svm->vcpu)) {
kvm_queue_exception(&svm->vcpu, UD_VECTOR);
return 1;
@@ -1764,7 +1764,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
hsave->save.ds = vmcb->save.ds;
hsave->save.gdtr = vmcb->save.gdtr;
hsave->save.idtr = vmcb->save.idtr;
- hsave->save.efer = svm->vcpu.arch.shadow_efer;
+ hsave->save.efer = svm->vcpu.arch.efer;
hsave->save.cr0 = kvm_read_cr0(&svm->vcpu);
hsave->save.cr4 = svm->vcpu.arch.cr4;
hsave->save.rflags = vmcb->save.rflags;
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 2e89495..a680d93 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -613,7 +613,7 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
u64 guest_efer;
u64 ignore_bits;

- guest_efer = vmx->vcpu.arch.shadow_efer;
+ guest_efer = vmx->vcpu.arch.efer;

/*
* NX is emulated; LMA and LME handled by hardware; SCE meaninless
@@ -955,7 +955,7 @@ static void setup_msrs(struct vcpu_vmx *vmx)
* if efer.sce is enabled.
*/
index = __find_msr_index(vmx, MSR_K6_STAR);
- if ((index >= 0) && (vmx->vcpu.arch.shadow_efer & EFER_SCE))
+ if ((index >= 0) && (vmx->vcpu.arch.efer & EFER_SCE))
move_msr_up(vmx, index, save_nmsrs++);
}
#endif
@@ -1600,7 +1600,7 @@ static void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
* of this msr depends on is_long_mode().
*/
vmx_load_host_state(to_vmx(vcpu));
- vcpu->arch.shadow_efer = efer;
+ vcpu->arch.efer = efer;
if (!msr)
return;
if (efer & EFER_LMA) {
@@ -1632,13 +1632,13 @@ static void enter_lmode(struct kvm_vcpu *vcpu)
(guest_tr_ar & ~AR_TYPE_MASK)
| AR_TYPE_BUSY_64_TSS);
}
- vcpu->arch.shadow_efer |= EFER_LMA;
- vmx_set_efer(vcpu, vcpu->arch.shadow_efer);
+ vcpu->arch.efer |= EFER_LMA;
+ vmx_set_efer(vcpu, vcpu->arch.efer);
}

static void exit_lmode(struct kvm_vcpu *vcpu)
{
- vcpu->arch.shadow_efer &= ~EFER_LMA;
+ vcpu->arch.efer &= ~EFER_LMA;

vmcs_write32(VM_ENTRY_CONTROLS,
vmcs_read32(VM_ENTRY_CONTROLS)
@@ -1745,7 +1745,7 @@ static void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
enter_rmode(vcpu);

#ifdef CONFIG_X86_64
- if (vcpu->arch.shadow_efer & EFER_LME) {
+ if (vcpu->arch.efer & EFER_LME) {
if (!is_paging(vcpu) && (cr0 & X86_CR0_PG))
enter_lmode(vcpu);
if (is_paging(vcpu) && !(cr0 & X86_CR0_PG))
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a4a7d18..27af6e3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -456,7 +456,7 @@ void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)

if (!is_paging(vcpu) && (cr0 & X86_CR0_PG)) {
#ifdef CONFIG_X86_64
- if ((vcpu->arch.shadow_efer & EFER_LME)) {
+ if ((vcpu->arch.efer & EFER_LME)) {
int cs_db, cs_l;

if (!is_pae(vcpu)) {
@@ -655,7 +655,7 @@ static void set_efer(struct kvm_vcpu *vcpu, u64 efer)
}

if (is_paging(vcpu)
- && (vcpu->arch.shadow_efer & EFER_LME) != (efer & EFER_LME)) {
+ && (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME)) {
printk(KERN_DEBUG "set_efer: #GP, change LME while paging\n");
kvm_inject_gp(vcpu, 0);
return;
@@ -686,9 +686,9 @@ static void set_efer(struct kvm_vcpu *vcpu, u64 efer)
kvm_x86_ops->set_efer(vcpu, efer);

efer &= ~EFER_LMA;
- efer |= vcpu->arch.shadow_efer & EFER_LMA;
+ efer |= vcpu->arch.efer & EFER_LMA;

- vcpu->arch.shadow_efer = efer;
+ vcpu->arch.efer = efer;

vcpu->arch.mmu.base_role.nxe = (efer & EFER_NX) && !tdp_enabled;
kvm_mmu_reset_context(vcpu);
@@ -1426,7 +1426,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
data |= (((uint64_t)4ULL) << 40);
break;
case MSR_EFER:
- data = vcpu->arch.shadow_efer;
+ data = vcpu->arch.efer;
break;
case MSR_KVM_WALL_CLOCK:
data = vcpu->kvm->arch.wall_clock;
@@ -4569,7 +4569,7 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
sregs->cr3 = vcpu->arch.cr3;
sregs->cr4 = kvm_read_cr4(vcpu);
sregs->cr8 = kvm_get_cr8(vcpu);
- sregs->efer = vcpu->arch.shadow_efer;
+ sregs->efer = vcpu->arch.efer;
sregs->apic_base = kvm_get_apic_base(vcpu);

memset(sregs->interrupt_bitmap, 0, sizeof sregs->interrupt_bitmap);
@@ -5059,7 +5059,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,

kvm_set_cr8(vcpu, sregs->cr8);

- mmu_reset_needed |= vcpu->arch.shadow_efer != sregs->efer;
+ mmu_reset_needed |= vcpu->arch.efer != sregs->efer;
kvm_x86_ops->set_efer(vcpu, sregs->efer);
kvm_set_apic_base(vcpu, sregs->apic_base);

diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 2dc24a7..2d10163 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -44,7 +44,7 @@ static inline bool is_protmode(struct kvm_vcpu *vcpu)
static inline int is_long_mode(struct kvm_vcpu *vcpu)
{
#ifdef CONFIG_X86_64
- return vcpu->arch.shadow_efer & EFER_LMA;
+ return vcpu->arch.efer & EFER_LMA;
#else
return 0;
#endif
--
1.6.5.3

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Next message: Avi Kivity: "[PATCH 37/38] KVM: VMX: emulate accessed bit for EPT"
Previous message: Avi Kivity: "[PATCH 30/38] KVM: enable PCI multiple-segments for pass-through device"
In reply to: Avi Kivity: "[PATCH 30/38] KVM: enable PCI multiple-segments for pass-through device"
Next in thread: Avi Kivity: "[PATCH 37/38] KVM: VMX: emulate accessed bit for EPT"
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