From: Stephen Hemminger <stephen@networkplumber.org>
To: fengchengwen <fengchengwen@huawei.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, Dengdui Huang <huangdengdui@huawei.com>
Subject: Re: Strict aliasing problem with rte_eth_linkstatus_set()
Date: Wed, 10 Apr 2024 08:27:04 -0700 [thread overview]
Message-ID: <20240410082704.4691d7df@hermes.local> (raw)
In-Reply-To: <8175c905-e661-b910-7f20-59b6ab605c38@huawei.com>
On Wed, 10 Apr 2024 17:33:53 +0800
fengchengwen <fengchengwen@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.
next prev parent reply other threads:[~2024-04-10 15:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-10 9:33 Strict aliasing problem with rte_eth_linkstatus_set() fengchengwen
2024-04-10 10:30 ` Morten Brørup
2024-04-10 15:57 ` Ferruh Yigit
2024-04-11 2:03 ` fengchengwen
2024-04-10 15:27 ` Stephen Hemminger [this message]
2024-04-10 15:58 ` Ferruh Yigit
2024-04-10 17:54 ` Morten Brørup
2024-04-10 19:58 ` Tyler Retzlaff
2024-04-11 3:20 ` fengchengwen
2024-04-10 21:18 ` Stephen Hemminger
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