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From: "Xie, Huawei" <huawei.xie@intel.com>
To: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v5] examples/vhost: fix strict aliasing error on gcc 4.4.7
Date: Wed, 9 Dec 2015 14:33:03 +0000	[thread overview]
Message-ID: <C37D651A908B024F974696C65296B57B4BB842C4@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <1449671209-102009-1-git-send-email-pablo.de.lara.guarch@intel.com>

On 12/9/2015 10:27 PM, De Lara Guarch, Pablo wrote:
> From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
>
> Fixes following error on gcc 4.4.7:
>
> make: Entering directory `/tmp/dpdk-tmp/examples/vhost'
>   CC main.o
> cc1: warnings being treated as errors
> /tmp/dpdk-tmp/examples/vhost/main.c: In function ‘new_device’:
> /tmp/dpdk-tmp/x86_64-native-linuxapp-gcc/include/rte_ring.h:740: error:
>     dereferencing pointer ‘mbuf.486’ does break strict-aliasing rules
> /tmp/dpdk-tmp/examples/vhost/main.c:1503: note: initialized from here
> ...
> /tmp/dpdk-tmp/examples/vhost/main.c:1503: note: initialized from here
> /tmp/dpdk-tmp/x86_64-native-linuxapp-gcc/include/rte_ring.h:740: error:
>     dereferencing pointer ‘({anonymous})’ does break strict-aliasing rules
> /tmp/dpdk-tmp/examples/vhost/main.c:1804: note: initialized from here
> make[1]: *** [main.o] Error 1
>
> Fixes: d19533e8 ("examples/vhost: copy old vhost example")
>
> Reported-by: Qian Xu <qian.q.xu@intel.com>
> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Huawei Xie <huawei.xie@intel.com>


  reply	other threads:[~2015-12-09 14:33 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-08 11:23 [dpdk-dev] [PATCH] " Pablo de Lara
2015-12-09  9:12 ` Xie, Huawei
2015-12-09  9:39 ` [dpdk-dev] [PATCH v2] " Pablo de Lara
2015-12-09 10:32   ` Bruce Richardson
2015-12-09 10:45   ` Xie, Huawei
2015-12-09 10:52     ` De Lara Guarch, Pablo
2015-12-09 11:09   ` [dpdk-dev] [PATCH v3] " Pablo de Lara
2015-12-09 12:20     ` [dpdk-dev] [PATCH v4] Fixes following error on gcc 4.4.7: Pablo de Lara
2015-12-09 13:28       ` Xie, Huawei
2015-12-09 14:01         ` De Lara Guarch, Pablo
2015-12-09 14:12           ` Xie, Huawei
2015-12-09 14:26       ` [dpdk-dev] [PATCH v5] examples/vhost: fix strict aliasing error on gcc 4.4.7 Pablo de Lara
2015-12-09 14:33         ` Xie, Huawei [this message]
2015-12-09 20:54           ` Thomas Monjalon

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