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Date:   Fri, 18 Dec 2020 09:15:33 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     "Zouwei (Samuel)" <zou_wei@...wei.com>
Cc:     "mst@...hat.com" <mst@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "mgurtovoy@...dia.com" <mgurtovoy@...dia.com>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: 答复: [PATCH -next] vdpa: Mark
 macaddr_buf with static keyword

On Fri, Dec 18, 2020 at 08:11:20AM +0000, Zouwei (Samuel) wrote:
>Hi,
>I run this command:
>make allmodconfig ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-
>make C=2 drivers/vdpa/vdpa_sim/vdpa_sim_net.o ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-

Yeah, I can see the warning using C=2.
I'll use it next times.

Thanks for sharing,
Stefano

>
>
>-----邮件原件-----
>发件人: Stefano Garzarella [mailto:sgarzare@...hat.com]
>发送时间: 2020年12月18日 15:57
>收件人: Zouwei (Samuel) <zou_wei@...wei.com>
>抄送: mst@...hat.com; jasowang@...hat.com; mgurtovoy@...dia.com; virtualization@...ts.linux-foundation.org; linux-kernel@...r.kernel.org
>主题: Re: [PATCH -next] vdpa: Mark macaddr_buf with static keyword
>
>On Fri, Dec 18, 2020 at 09:51:35AM +0800, Zou Wei wrote:
>>Fix the following sparse warning:
>>
>>drivers/vdpa/vdpa_sim/vdpa_sim_net.c:36:4: warning: symbol 'macaddr_buf' was not declared. Should it be static?
>>
>>Reported-by: Hulk Robot <hulkci@...wei.com>
>>Signed-off-by: Zou Wei <zou_wei@...wei.com>
>>---
>> drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>
>
>I built with W=1 but I didn't have this warning.
>
>Thanks for fixing,
>Stefano
>
>>
>>diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
>>b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
>>index c10b698..f048242 100644
>>--- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
>>+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
>>@@ -33,7 +33,7 @@ static char *macaddr;  module_param(macaddr, charp,
>>0);  MODULE_PARM_DESC(macaddr, "Ethernet MAC address");
>>
>>-u8 macaddr_buf[ETH_ALEN];
>>+static u8 macaddr_buf[ETH_ALEN];
>>
>> static struct vdpasim *vdpasim_net_dev;
>>
>>--
>>2.6.2
>>
>

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