linux-kernel - Re: [PATCH] [next] kvm: vmx: fix some -Wmissing-prototypes warnings

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Date:   Fri, 25 Jan 2019 18:51:21 +0100
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, xue.zhihong@....com.cn
Subject: Re: [PATCH] [next] kvm: vmx: fix some -Wmissing-prototypes warnings

On 21/01/19 08:27, Yi Wang wrote:
> We get some warnings when building kernel with W=1:
> arch/x86/kvm/vmx/vmx.c:426:5: warning: no previous prototype for ‘kvm_fill_hv_flush_list_func’ [-Wmissing-prototypes]
> arch/x86/kvm/vmx/nested.c:58:6: warning: no previous prototype for ‘init_vmcs_shadow_fields’ [-Wmissing-prototypes]
> 
> Make them static to fix this.
> 
> Signed-off-by: Yi Wang <wang.yi59@....com.cn>
> ---
>  arch/x86/kvm/vmx/nested.c | 2 +-
>  arch/x86/kvm/vmx/vmx.c    | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
> index 2616bd2..f8af511 100644
> --- a/arch/x86/kvm/vmx/nested.c
> +++ b/arch/x86/kvm/vmx/nested.c
> @@ -55,7 +55,7 @@ enum {
>  static int max_shadow_read_write_fields =
>  	ARRAY_SIZE(shadow_read_write_fields);
>  
> -void init_vmcs_shadow_fields(void)
> +static void init_vmcs_shadow_fields(void)
>  {
>  	int i, j;
>  
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index f6915f1..38641e6 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -423,7 +423,7 @@ static void check_ept_pointer_match(struct kvm *kvm)
>  	to_kvm_vmx(kvm)->ept_pointers_match = EPT_POINTERS_MATCH;
>  }
>  
> -int kvm_fill_hv_flush_list_func(struct hv_guest_mapping_flush_list *flush,
> +static int kvm_fill_hv_flush_list_func(struct hv_guest_mapping_flush_list *flush,
>  		void *data)
>  {
>  	struct kvm_tlb_range *range = data;
> 
Queued, thanks.

Paolo