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Date:   Sun, 06 Dec 2020 23:38:50 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     tanhuazhong@...wei.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kuba@...nel.org, huangdaode@...wei.com, sfr@...b.auug.org.au
Subject: Re: [PATCH net] net: hns3: remove a misused pragma packed

From: Huazhong Tan <tanhuazhong@...wei.com>
Date: Mon, 7 Dec 2020 15:20:25 +0800

> hclge_dbg_reg_info[] is defined as an array of packed structure
> accidentally. However, this array contains pointers, which are
> no longer aligned naturally, and cannot be relocated on PPC64.
> Hence, when compile-testing this driver on PPC64 with
> CONFIG_RELOCATABLE=y (e.g. PowerPC allyesconfig), there will be
> some warnings.
> 
> Since each field in structure hclge_qos_pri_map_cmd and
> hclge_dbg_bitmap_cmd is type u8, the pragma packed is unnecessary
> for these two structures as well, so remove the pragma packed in
> hclge_debugfs.h to fix this issue, and this increases
> hclge_dbg_reg_info[] by 4 bytes per entry.
> 
> Fixes: a582b78dfc33 ("net: hns3: code optimization for debugfs related to "dump reg"")
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>

Applied, thank you.

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