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| author | Gleb Natapov <gleb@redhat.com> | 2010-02-16 10:51:48 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-04-25 12:27:28 +0300 |
| commit | 89a27f4d0e042a2fa3391a76b652aec3e16ef200 (patch) | |
| tree | d2cf954c066c6f5fbd51a15a439b63d1dba53edd /arch/x86/kvm/vmx.c | |
| parent | 679613442f84702c06a80f2320cb8a50089200bc (diff) | |
| download | lwn-89a27f4d0e042a2fa3391a76b652aec3e16ef200.tar.gz lwn-89a27f4d0e042a2fa3391a76b652aec3e16ef200.zip | |
KVM: use desc_ptr struct instead of kvm private descriptor_table
x86 arch defines desc_ptr for idt/gdt pointers, no need to define
another structure in kvm code.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index bc933cfb4e66..68f895b00450 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -600,11 +600,11 @@ static void reload_tss(void) /* * VT restores TR but not its size. Useless. */ - struct descriptor_table gdt; + struct desc_ptr gdt; struct desc_struct *descs; kvm_get_gdt(&gdt); - descs = (void *)gdt.base; + descs = (void *)gdt.address; descs[GDT_ENTRY_TSS].type = 9; /* available TSS */ load_TR_desc(); } @@ -758,7 +758,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu) } if (vcpu->cpu != cpu) { - struct descriptor_table dt; + struct desc_ptr dt; unsigned long sysenter_esp; vcpu->cpu = cpu; @@ -768,7 +768,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu) */ vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */ kvm_get_gdt(&dt); - vmcs_writel(HOST_GDTR_BASE, dt.base); /* 22.2.4 */ + vmcs_writel(HOST_GDTR_BASE, dt.address); /* 22.2.4 */ rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp); vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */ @@ -1934,28 +1934,28 @@ static void vmx_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) *l = (ar >> 13) & 1; } -static void vmx_get_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) +static void vmx_get_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt) { - dt->limit = vmcs_read32(GUEST_IDTR_LIMIT); - dt->base = vmcs_readl(GUEST_IDTR_BASE); + dt->size = vmcs_read32(GUEST_IDTR_LIMIT); + dt->address = vmcs_readl(GUEST_IDTR_BASE); } -static void vmx_set_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) +static void vmx_set_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt) { - vmcs_write32(GUEST_IDTR_LIMIT, dt->limit); - vmcs_writel(GUEST_IDTR_BASE, dt->base); + vmcs_write32(GUEST_IDTR_LIMIT, dt->size); + vmcs_writel(GUEST_IDTR_BASE, dt->address); } -static void vmx_get_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) +static void vmx_get_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt) { - dt->limit = vmcs_read32(GUEST_GDTR_LIMIT); - dt->base = vmcs_readl(GUEST_GDTR_BASE); + dt->size = vmcs_read32(GUEST_GDTR_LIMIT); + dt->address = vmcs_readl(GUEST_GDTR_BASE); } -static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) +static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt) { - vmcs_write32(GUEST_GDTR_LIMIT, dt->limit); - vmcs_writel(GUEST_GDTR_BASE, dt->base); + vmcs_write32(GUEST_GDTR_LIMIT, dt->size); + vmcs_writel(GUEST_GDTR_BASE, dt->address); } static bool rmode_segment_valid(struct kvm_vcpu *vcpu, int seg) @@ -2334,7 +2334,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) u32 junk; u64 host_pat, tsc_this, tsc_base; unsigned long a; - struct descriptor_table dt; + struct desc_ptr dt; int i; unsigned long kvm_vmx_return; u32 exec_control; @@ -2416,7 +2416,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) vmcs_write16(HOST_TR_SELECTOR, GDT_ENTRY_TSS*8); /* 22.2.4 */ kvm_get_idt(&dt); - vmcs_writel(HOST_IDTR_BASE, dt.base); /* 22.2.4 */ + vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */ asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return)); vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */ |