linux-kernel - Re: [PATCH 2/2] net: openvswitch: use div

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Message-Id: <20200425.204846.1929725746422713394.davem@davemloft.net>
Date:   Sat, 25 Apr 2020 20:48:46 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     xiangxia.m.yue@...il.com
Cc:     eric.dumazet@...il.com, geert@...ux-m68k.org, pshelar@....org,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] net: openvswitch: use div_u64() for 64-by-32
 divisions

From: xiangxia.m.yue@...il.com
Date: Sat, 25 Apr 2020 11:39:48 +0800

> From: Tonghao Zhang <xiangxia.m.yue@...il.com>
> 
> Compile the kernel for arm 32 platform, the build warning found.
> To fix that, should use div_u64() for divisions.
> | net/openvswitch/meter.c:396: undefined reference to `__udivdi3'
> 
> [add more commit msg, change reported tag, and use div_u64 instead
> of do_div by Tonghao]
> 
> Fixes: e57358873bb5d6ca ("net: openvswitch: use u64 for meter bucket")
> Reported-by: kbuild test robot <lkp@...el.com>
> Signed-off-by: Tonghao Zhang <xiangxia.m.yue@...il.com>
> Tested-by: Tonghao Zhang <xiangxia.m.yue@...il.com>

Applied.