linux-kernel - Re: drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h:1174:29: error: enumerator value for 'i40e_static_assert_i40e_aqc_cloud_filters_element

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Message-ID: <CAK8P3a1s-jKfDFo7CXjpM4B6JJS-bV901yCfOxr9qikV7AO_LQ@mail.gmail.com>
Date:   Wed, 15 Jun 2022 17:56:24 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, kernel test robot <lkp@...el.com>,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Intel Wired LAN <intel-wired-lan@...ts.osuosl.org>
Subject: Re: drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h:1174:29: error:
 enumerator value for 'i40e_static_assert_i40e_aqc_cloud_filters_element_data'
 is not an integer constant

On Wed, Jun 15, 2022 at 5:51 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Wed, 15 Jun 2022 16:11:17 +0200 Arnd Bergmann wrote:
> > The bug is that 'i40e_aqc_cloud_filters_element_data' and some other
> > structures in the
> > same file are broken when building an ARM kernel without CONFIG_AEABI, which has
> > unusual struct packing rules and triggers the static assertion.
>
> What are those packing rules, out of curiosity?

On the old OABI, each struct member is on a 32-bit boundary.

       Arnd