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author | Gleb Natapov <gleb@redhat.com> | 2012-08-05 12:58:32 (GMT) |
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committer | Avi Kivity <avi@redhat.com> | 2012-08-06 16:00:44 (GMT) |
commit | 54e9818f3903902a4ea3046035739b8770880092 (patch) | |
tree | 25dbf8dfe2df2537a0463d9fafb8620cdd6f1bb2 /arch/x86/kvm/x86.h | |
parent | f8c1ea103947038b7197bdd4c8451886a58af0c0 (diff) | |
download | linux-54e9818f3903902a4ea3046035739b8770880092.tar.xz |
KVM: use jump label to optimize checking for in kernel local apic presence
Usually all vcpus have local apic pointer initialized, so the check may
be completely skipped.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.h')
-rw-r--r-- | arch/x86/kvm/x86.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index 3d1134d..2b5219c 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -124,4 +124,5 @@ int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt, extern u64 host_xcr0; +extern struct static_key kvm_no_apic_vcpu; #endif |