From: "Zhang, Helin" <helin.zhang@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 1/2] ixgbe: fix build with gcc 4.4
Date: Thu, 16 Apr 2015 07:26:42 +0000 [thread overview]
Message-ID: <F35DEAC7BCE34641BA9FAC6BCA4A12E70A8455B7@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <1429130956-17828-1-git-send-email-thomas.monjalon@6wind.com>
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> Sent: Thursday, April 16, 2015 4:49 AM
> To: dev@dpdk.org
> Cc: Vlad Zolotarov; Ananyev, Konstantin; Zhang, Helin
> Subject: [PATCH v2 1/2] ixgbe: fix build with gcc 4.4
>
> With GCC 4.4.7 from CentOS 6.5, the following errors arise:
>
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c: In function ‘ixgbe_dev_rx_queue_setup’:
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c:2509: error: missing initializer
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c:2509: error: (near initialization for
> ‘dev_info.driver_name’)
>
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c: In function ‘ixgbe_set_rsc’:
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c:4072: error: missing initializer
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c:4072: error: (near initialization for
> ‘dev_info.driver_name’)
>
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c: In function
> ‘ixgbe_recv_pkts_lro_single_alloc’:
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c:1479: error: ‘next_rsc_entry’ may be used
> uninitialized in this function
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c:1480: error: ‘next_rxe’ may be used
> uninitialized in this function
>
> The "missing initializer" warning is a GCC bug which seems fixed in 4.7.
> The "may be used uninitialized" warning seems to be another GCC bug and is
> workarounded with NULL initialization.
>
> Fixes: 8eecb3295aed ("ixgbe: add LRO support")
>
> Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
next prev parent reply other threads:[~2015-04-16 7:27 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-14 9:31 [dpdk-dev] [PATCH] " Thomas Monjalon
2015-04-14 12:48 ` Vlad Zolotarov
2015-04-14 13:06 ` Ananyev, Konstantin
2015-04-14 13:38 ` Vlad Zolotarov
2015-04-14 14:17 ` Thomas Monjalon
2015-04-14 14:30 ` Vlad Zolotarov
2015-04-14 14:53 ` Thomas Monjalon
2015-04-14 15:17 ` Vlad Zolotarov
2015-04-14 14:59 ` Vlad Zolotarov
2015-04-14 15:13 ` Thomas Monjalon
2015-04-14 15:21 ` Vlad Zolotarov
2015-04-14 15:28 ` Thomas Monjalon
2015-04-14 15:32 ` Vlad Zolotarov
2015-04-15 20:49 ` [dpdk-dev] [PATCH v2 1/2] " Thomas Monjalon
2015-04-15 20:49 ` [dpdk-dev] [PATCH v2 2/2] use simple zero initializers Thomas Monjalon
2015-04-16 10:12 ` Olivier MATZ
2015-04-16 12:55 ` Thomas Monjalon
2015-04-16 16:31 ` Mcnamara, John
2015-04-16 7:26 ` Zhang, Helin [this message]
2015-04-16 9:14 ` [dpdk-dev] [PATCH v2 1/2] ixgbe: fix build with gcc 4.4 Vlad Zolotarov
2015-04-16 9:18 ` Thomas Monjalon
2015-04-16 9:35 ` Vlad Zolotarov
2015-04-16 22:10 ` [dpdk-dev] [PATCH v3 1/2] mk: fix build with gcc 4.4 and clang Thomas Monjalon
2015-04-16 22:10 ` [dpdk-dev] [PATCH v3 2/2] use simple zero initializers Thomas Monjalon
2015-04-17 11:17 ` Mcnamara, John
2015-04-19 8:22 ` Vlad Zolotarov
2015-04-20 12:45 ` Thomas Monjalon
2015-04-17 11:15 ` [dpdk-dev] [PATCH v3 1/2] mk: fix build with gcc 4.4 and clang Mcnamara, John
2015-04-19 8:21 ` Vlad Zolotarov
2015-04-20 12:44 ` Thomas Monjalon
2015-04-14 12:51 ` [dpdk-dev] [PATCH] ixgbe: fix build with gcc 4.4 Vlad Zolotarov
2015-04-14 13:23 ` Ananyev, Konstantin
2015-04-14 13:41 ` Vlad Zolotarov
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