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Message-Id: <20220214131614.3050333-2-pbonzini@redhat.com>
Date: Mon, 14 Feb 2022 08:16:10 -0500
From: Paolo Bonzini <pbonzini@...hat.com>
To: linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc: seanjc@...gle.com
Subject: [PATCH v2 1/5] 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 eaa3b5b89c5e..a48c5004801c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -8423,8 +8423,7 @@ 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);
}
@@ -9793,10 +9792,7 @@ 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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