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author | Michael S. Tsirkin <mst@redhat.com> | 2012-06-24 19:24:19 +0300 |
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committer | Avi Kivity <avi@redhat.com> | 2012-06-25 12:37:14 +0300 |
commit | 5eadf916dfa04c3c51397dbcb803ce8735bf191a (patch) | |
tree | 726d1078e1c49b64456fa511507529d7b994e3af /arch/x86/kvm/lapic.h | |
parent | 9e40b67bf2bfaa40b28354c501a72fd001a1397a (diff) | |
download | linux-5eadf916dfa04c3c51397dbcb803ce8735bf191a.tar.bz2 |
KVM: document lapic regs field
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.h')
-rw-r--r-- | arch/x86/kvm/lapic.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 6f4ce2575d09..d29da25ea525 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -13,6 +13,11 @@ struct kvm_lapic { u32 divide_count; struct kvm_vcpu *vcpu; bool irr_pending; + /** + * APIC register page. The layout matches the register layout seen by + * the guest 1:1, because it is accessed by the vmx microcode. + * Note: Only one register, the TPR, is used by the microcode. + */ void *regs; gpa_t vapic_addr; struct page *vapic_page; |