diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2009-07-18 23:58:32 +0900 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:15 +0300 |
| commit | 46a359e71526909a18a47aaf4347343d6d1d74b2 (patch) | |
| tree | e2dfcf8f51851b2a42211c79d27dade8b3fc7de8 | |
| parent | decde80b6a2fedd6ea62ea5c4bc4b3cb9fabf153 (diff) | |
KVM: x86: use get_desc_base() and get_desc_limit()
Use get_desc_base() and get_desc_limit() to get the base address and
limit in desc_struct.
Cc: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
| -rw-r--r-- | arch/x86/kvm/x86.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index b87d65d89a0..6277a316821 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -142,8 +142,7 @@ unsigned long segment_base(u16 selector) table_base = segment_base(ldt_selector); } d = (struct desc_struct *)(table_base + (selector & ~7)); - v = d->base0 | ((unsigned long)d->base1 << 16) | - ((unsigned long)d->base2 << 24); + v = get_desc_base(d); #ifdef CONFIG_X86_64 if (d->s == 0 && (d->type == 2 || d->type == 9 || d->type == 11)) v |= ((unsigned long)((struct ldttss_desc64 *)d)->base3) << 32; @@ -3947,11 +3946,8 @@ static void kvm_set_segment(struct kvm_vcpu *vcpu, static void seg_desct_to_kvm_desct(struct desc_struct *seg_desc, u16 selector, struct kvm_segment *kvm_desct) { - kvm_desct->base = seg_desc->base0; - kvm_desct->base |= seg_desc->base1 << 16; - kvm_desct->base |= seg_desc->base2 << 24; - kvm_desct->limit = seg_desc->limit0; - kvm_desct->limit |= seg_desc->limit << 16; + kvm_desct->base = get_desc_base(seg_desc); + kvm_desct->limit = get_desc_limit(seg_desc); if (seg_desc->g) { kvm_desct->limit <<= 12; kvm_desct->limit |= 0xfff; @@ -4030,11 +4026,7 @@ static int save_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, static u32 get_tss_base_addr(struct kvm_vcpu *vcpu, struct desc_struct *seg_desc) { - u32 base_addr; - - base_addr = seg_desc->base0; - base_addr |= (seg_desc->base1 << 16); - base_addr |= (seg_desc->base2 << 24); + u32 base_addr = get_desc_base(seg_desc); return vcpu->arch.mmu.gva_to_gpa(vcpu, base_addr); } @@ -4323,7 +4315,7 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason) } } - if (!nseg_desc.p || (nseg_desc.limit0 | nseg_desc.limit << 16) < 0x67) { + if (!nseg_desc.p || get_desc_limit(&nseg_desc) < 0x67) { kvm_queue_exception_e(vcpu, TS_VECTOR, tss_selector & 0xfffc); return 1; } |