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authorGleb Natapov <gleb@redhat.com>2012-08-05 15:58:32 +0300
committerAvi Kivity <avi@redhat.com>2012-08-06 19:00:44 +0300
commit54e9818f3903902a4ea3046035739b8770880092 (patch)
tree25dbf8dfe2df2537a0463d9fafb8620cdd6f1bb2 /arch/x86/kvm/x86.h
parentf8c1ea103947038b7197bdd4c8451886a58af0c0 (diff)
downloadlinux-54e9818f3903902a4ea3046035739b8770880092.tar.bz2
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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 3d1134ddb885..2b5219c12ac8 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