Virtualization - Dec 2020 - 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
>
>
>-----????-----
>???: Stefano Garzarella [mailto:sgarzare at redhat.com]
>????: 2020?12?18? 15:57
>???: Zouwei (Samuel) <zou_wei at huawei.com>
>??: mst at redhat.com; jasowang at redhat.com; mgurtovoy at nvidia.com;
virtualization at lists.linux-foundation.org; linux-kernel at vger.kernel.org
>??: 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 at huawei.com>
>>Signed-off-by: Zou Wei <zou_wei at huawei.com>
>>---
>> drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>Reviewed-by: Stefano Garzarella <sgarzare at redhat.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
>>
>