linux-kernel - [PATCH 14/17] KVM: monolithic: x86: inline more exit handlers in vmx.c

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Date:   Fri, 20 Sep 2019 17:25:06 -0400
From:   Andrea Arcangeli <aarcange@...hat.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        "Dr. David Alan Gilbert" <dgilbert@...hat.com>,
        Marcelo Tosatti <mtosatti@...hat.com>,
        Peter Xu <peterx@...hat.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 14/17] KVM: monolithic: x86: inline more exit handlers in vmx.c

They can be called directly more efficiently, so we can as well mark
some of them inline in case gcc doesn't decide to inline them.

Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
---
 arch/x86/kvm/vmx/vmx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index ff46008dc514..a6e597025011 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -4588,7 +4588,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
 	return 0;
 }
 
-static int handle_external_interrupt(struct kvm_vcpu *vcpu)
+static __always_inline int handle_external_interrupt(struct kvm_vcpu *vcpu)
 {
 	++vcpu->stat.irq_exits;
 	return 1;
@@ -4860,7 +4860,7 @@ static void vmx_set_dr7(struct kvm_vcpu *vcpu, unsigned long val)
 	vmcs_writel(GUEST_DR7, val);
 }
 
-static int handle_cpuid(struct kvm_vcpu *vcpu)
+static __always_inline int handle_cpuid(struct kvm_vcpu *vcpu)
 {
 	return kvm_emulate_cpuid(vcpu);
 }
@@ -4891,7 +4891,7 @@ static int handle_interrupt_window(struct kvm_vcpu *vcpu)
 	return 1;
 }
 
-static int handle_halt(struct kvm_vcpu *vcpu)
+static __always_inline int handle_halt(struct kvm_vcpu *vcpu)
 {
 	return kvm_emulate_halt(vcpu);
 }