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Date:   Thu, 27 May 2021 13:43:45 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Shuyi Cheng <chengshuyi@linux.alibaba.com>
Cc:     Jiri Olsa <jolsa@redhat.com>,
        Andrii Nakryiko <andrii.nakryiko@gmail.com>,
        Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>,
        dwarves@vger.kernel.org, wenan.mao@linux.alibaba.com,
        Jiri Olsa <jolsa@kernel.org>
Subject: Re: [PATCH v3] pahole: Add --kabi_prefix flag
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Em Fri, May 21, 2021 at 09:44:20AM +0800, Shuyi Cheng escreveu:
> To solve problems similar to _RH_KABI_REPLACE. The _RH_KABI_REPLACE(_orig,
> _new) macros perserve size alignment and kabi agreement between _orig and
> _new.Below is the definition of this macro:
> 
> # define _RH_KABI_REPLACE(_orig, _new)            \
>     union {                        \
>         _new;                    \
>         struct {                \
>             _orig;                \
>         } __UNIQUE_ID(rh_kabi_hide);        \
>         __RH_KABI_CHECK_SIZE_ALIGN(_orig, _new);    \
>     }

Thanks, applied.

- Arnaldo