X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Farm64%2Fkvm%2Fhyp%2Fhyp.h;fp=arch%2Farm64%2Fkvm%2Fhyp%2Fhyp.h;h=70d4f696c8620fec977b10d19926798380979649;hb=3ff56990bcd69f2b80e8cbff3cb49a544971f3d5;hp=73419a769112fbc01c822e063e57fd77f12c6341;hpb=1980361d468b1245235abf9240962d1a766a9c2d;p=firefly-linux-kernel-4.4.55.git

diff --git a/arch/arm64/kvm/hyp/hyp.h b/arch/arm64/kvm/hyp/hyp.h
index 73419a769112..70d4f696c862 100644
--- a/arch/arm64/kvm/hyp/hyp.h
+++ b/arch/arm64/kvm/hyp/hyp.h
@@ -76,6 +76,13 @@ void __debug_restore_state(struct kvm_vcpu *vcpu,
 void __debug_cond_save_host_state(struct kvm_vcpu *vcpu);
 void __debug_cond_restore_host_state(struct kvm_vcpu *vcpu);
 
+void __fpsimd_save_state(struct user_fpsimd_state *fp_regs);
+void __fpsimd_restore_state(struct user_fpsimd_state *fp_regs);
+static inline bool __fpsimd_enabled(void)
+{
+	return !(read_sysreg(cptr_el2) & CPTR_EL2_TFP);
+}
+
 u64 __guest_enter(struct kvm_vcpu *vcpu, struct kvm_cpu_context *host_ctxt);
 
 #endif /* __ARM64_KVM_HYP_H__ */