[dpdk-users] compile warning in dpdk lib header files "error: inlining failed in call .... call is unlikely and code size would grow"

[Stephen Hemminger]

On Fri, 8 Sep 2017 18:45:52 +0000
Yuyong Zhang <yuyong.zhang at casa-systems.com> wrote:

> Hi,
> 
> 
> 
> I got lots of compile warning when integrating dpdk library such as:
> 
> 
> 
> : error: inlining failed in call to ‘rte_mempool_ops_dequeue_bulk.part.1’: call is unlikely and code size would grow [-Werror=inline]
> 
> 
> 
> : error: inlining failed in call to ‘rte_pktmbuf_free": call is unlikely and code size would grow [-Werror=inline]
> 
> 
> 
> Because company policy strictly enforces "waring as error", I have to fix those issues.

Turn off the warning, or fix the policy.

DPDK does lots of inlining and in some cases the code will be used in unlikely branchs.