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To: Thomas Monjalon <thomas@monjalon.net>, "Rong, Leyi" <leyi.rong@intel.com>
Cc: David Marchand <david.marchand@redhat.com>,
 "Kadam, Pallavi" <pallavi.kadam@intel.com>, dev@dpdk.org,
 Ali Alnubani <alialnu@nvidia.com>,
 "Richardson, Bruce" <bruce.richardson@intel.com>,
 Tal Shnaiderman <talshn@nvidia.com>, Odi Assli <odia@nvidia.com>,
 "Zhang, Qi Z" <qi.z.zhang@intel.com>, "Lu, Wenzhuo" <wenzhuo.lu@intel.com>,
 "Xing, Beilei" <beilei.xing@intel.com>,
 "Menon, Ranjit" <ranjit.menon@intel.com>,
 Raslan Darawsheh <rasland@nvidia.com>
References: <20201215021945.103396-1-leyi.rong@intel.com>
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 <3192552.88XjsRaxPa@thomas>
From: Ferruh Yigit <ferruh.yigit@intel.com>
Message-ID: <d64b0438-fa7f-9dec-8d15-71c699ee87d2@intel.com>
Date: Tue, 26 Jan 2021 16:39:29 +0000
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Subject: Re: [dpdk-dev] [PATCH v3 0/3] AVX512 vPMD on i40e
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On 1/26/2021 4:22 PM, Thomas Monjalon wrote:
> 26/01/2021 17:17, Rong, Leyi:
>>>> On 1/20/2021 11:21 PM, Ferruh Yigit wrote:
>>>>
>>>> And for the mingw, I have same result with Ali, I can reproduce with (Fedora
>>> MinGW 9.2.1-6.fc32).
>>>>
>>>> But different from the CI, I am getting the error [1] for all following files:
>>>> rte_random.c
>>>> i40e_rxtx_vec_sse.c
>>>> i40e_rxtx_vec_avx512.c
>>>> i40e_rxtx_vec_avx2.c
>>>> rte_ethdev.c
> [...]
>> Send patch https://patchwork.dpdk.org/patch/87349/ to disable avx512 on windows as the workaround.
>> Pallavi also tested with this patch, and passed the mingw and clang build. Will try to see if has better way to fix.
> 
> Ferruh mentioned errors with other files outside of i40e.
> 

The patch globally disables the avx512 for windows cross build, not just for 
i40e, so I confirm it fixes the build errors in my environment.

But disabling avx512 like this is not best option.