Strict aliasing problem with rte_eth_linkstatus_set()

Stephen Hemminger stephen at networkplumber.org
Wed Apr 10 17:27:04 CEST 2024


On Wed, 10 Apr 2024 17:33:53 +0800
fengchengwen <fengchengwen at huawei.com> wrote:

> Last: We think there are two ways to solve this problem.
> 1. Add the compilation option '-fno-strict-aliasing' for hold DPDK project.
> 2. Use union to avoid such aliasing in rte_eth_linkstatus_set (please see above).
> PS: We prefer first way.
> 

Please send a patch to replace alias with union.

PS: you can also override aliasing for a few lines of code with either pragma's
or lots of casting. Both are messy and hard to maintain.


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