linux-kernel - Re: [PATCH] kvm: vmx: Fix -Wmissing-prototypes warnings

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Date:   Mon, 20 May 2019 12:39:30 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Yi Wang <wang.yi59@....com.cn>
Cc:     rkrcmar@...hat.com, tglx@...utronix.de, mingo@...hat.com,
        bp@...en8.de, hpa@...or.com, x86@...nel.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kvm: vmx: Fix -Wmissing-prototypes warnings

On 20/05/19 06:27, Yi Wang wrote:
> We get a warning when build kernel W=1:
> arch/x86/kvm/vmx/vmx.c:6365:6: warning: no previous prototype for ‘vmx_update_host_rsp’ [-Wmissing-prototypes]
>  void vmx_update_host_rsp(struct vcpu_vmx *vmx, unsigned long host_rsp)
> 
> Add the missing declaration to fix this.
> 
> Signed-off-by: Yi Wang <wang.yi59@....com.cn>
> ---
>  arch/x86/kvm/vmx/vmx.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
> index f879529..9cd72de 100644
> --- a/arch/x86/kvm/vmx/vmx.h
> +++ b/arch/x86/kvm/vmx/vmx.h
> @@ -314,6 +314,7 @@ struct kvm_vmx {
>  void vmx_set_virtual_apic_mode(struct kvm_vcpu *vcpu);
>  struct shared_msr_entry *find_msr_entry(struct vcpu_vmx *vmx, u32 msr);
>  void pt_update_intercept_for_msr(struct vcpu_vmx *vmx);
> +void vmx_update_host_rsp(struct vcpu_vmx *vmx, unsigned long host_rsp);
>  
>  #define POSTED_INTR_ON  0
>  #define POSTED_INTR_SN  1
> 

Queued, thanks.

Paolo