linux-kernel - Re: [PATCH 1/2] LoongArch: Add pad structure members for explicit alignment

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Message-ID: <4c8bd175b3749631ebd3ab1b70693b3f7e748c69.camel@xry111.site>
Date:   Thu, 20 Apr 2023 12:28:43 +0800
From:   Xi Ruoyao <xry111@...111.site>
To:     Qing Zhang <zhangqing@...ngson.cn>,
        WANG Xuerui <kernel@...0n.name>,
        Huacai Chen <chenhuacai@...nel.org>
Cc:     Jiaxun Yang <jiaxun.yang@...goat.com>, loongarch@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] LoongArch: Add pad structure members for explicit
 alignment

On Thu, 2023-04-20 at 12:24 +0800, Xi Ruoyao wrote:
> undefined behavior.  `printf(PRIu16 "\n", ptr->dbg_info);` is an
> undefined behavior if ptr->dbg_info is a int16_t, because the standard
                                           ^^^^^^^ uint64_t

:(

-- 
Xi Ruoyao <xry111@...111.site>
School of Aerospace Science and Technology, Xidian University