From: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>
Date: Tue, 13 Mar 2018 06:46:24 -0500
> Hi Stephen,
>
> On 03/13/2018 01:11 AM, Stephen Rothwell wrote:
>> Hi all,
>> After merging the net-next tree, today's linux-next build (sparc
>> defconfig) produced this warning:
>> net/core/pktgen.c: In function 'pktgen_if_write':
>> net/core/pktgen.c:1710:1: warning: the frame size of 1048 bytes is
>> larger than 1024 bytes [-Wframe-larger-than=]
>> }
>> ^
>> Introduced by commit
>> 35951393bbff ("pktgen: Remove VLA usage")
>>
>
> Thanks for the report.
>
> David:
>
> If this code is not going to be executed very often [1], then I think
> it is safe to use dynamic memory allocation instead, as this is not
> going to impact the performance.
>
> What do you think?
>
> [1] https://lkml.org/lkml/2018/3/9/630
Sure, that works.
It is only invoked when pktgen configuration changes are made.
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