linux-kernel - Re: [PATCH -next] xen/pvcalls: Make pvcalls_back

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Date:   Fri, 10 Apr 2020 08:24:18 -0700 (PDT)
From:   Stefano Stabellini <sstabellini@...nel.org>
To:     YueHaibing <yuehaibing@...wei.com>
cc:     boris.ostrovsky@...cle.com, jgross@...e.com,
        sstabellini@...nel.org, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] xen/pvcalls: Make pvcalls_back_global static

On Fri, 10 Apr 2020, YueHaibing wrote:
> Fix sparse warning:
> 
> drivers/xen/pvcalls-back.c:30:3: warning:
>  symbol 'pvcalls_back_global' was not declared. Should it be static?
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Reviewed-by: Stefano Stabellini <sstabellini@...nel.org>


> ---
>  drivers/xen/pvcalls-back.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
> index cf4ce3e9358d..4807704f8d69 100644
> --- a/drivers/xen/pvcalls-back.c
> +++ b/drivers/xen/pvcalls-back.c
> @@ -24,7 +24,7 @@
>  #define PVCALLS_VERSIONS "1"
>  #define MAX_RING_ORDER XENBUS_MAX_RING_GRANT_ORDER
>  
> -struct pvcalls_back_global {
> +static struct pvcalls_back_global {
>  	struct list_head frontends;
>  	struct semaphore frontends_lock;
>  } pvcalls_back_global;
> -- 
> 2.17.1
> 
>