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Message-Id: <20220217180831.288210-3-pbonzini@redhat.com>
Date:   Thu, 17 Feb 2022 13:08:27 -0500
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     seanjc@...gle.com
Subject: [PATCH v3 2/6] KVM: x86: use static_call_cond for optional callbacks

SVM implements neither update_emulated_instruction nor
set_apic_access_page_addr.  Remove an "if" by calling them
with static_call_cond().

Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 arch/x86/kvm/x86.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 746f72ae2c95..8a7f32563590 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -8421,8 +8421,7 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
 			kvm_rip_write(vcpu, ctxt->eip);
 			if (r && (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)))
 				r = kvm_vcpu_do_singlestep(vcpu);
-			if (kvm_x86_ops.update_emulated_instruction)
-				static_call(kvm_x86_update_emulated_instruction)(vcpu);
+			static_call_cond(kvm_x86_update_emulated_instruction)(vcpu);
 			__kvm_set_rflags(vcpu, ctxt->eflags);
 		}
 
@@ -9791,10 +9790,7 @@ static void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu)
 	if (!lapic_in_kernel(vcpu))
 		return;
 
-	if (!kvm_x86_ops.set_apic_access_page_addr)
-		return;
-
-	static_call(kvm_x86_set_apic_access_page_addr)(vcpu);
+	static_call_cond(kvm_x86_set_apic_access_page_addr)(vcpu);
 }
 
 void __kvm_request_immediate_exit(struct kvm_vcpu *vcpu)
-- 
2.31.1


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