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

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On 20/09/19 23:25, Andrea Arcangeli wrote:
> 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.

What is the output of size(1) before and after?

Paolo

> Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
> ---
>  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);
>  }
> 




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