Commit 1e6a4232 authored by Tonghao Zhang's avatar Tonghao Zhang Committed by Greg Kroah-Hartman

net: openvswitch: use div_u64() for 64-by-32 divisions

[ Upstream commit 659d4587 ]

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: e5735887 ("net: openvswitch: use u64 for meter bucket")
Reported-by: default avatarkbuild test robot <lkp@intel.com>
Signed-off-by: default avatarTonghao Zhang <xiangxia.m.yue@gmail.com>
Tested-by: default avatarTonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 31c5c447
......@@ -256,7 +256,7 @@ static struct dp_meter *dp_meter_create(struct nlattr **a)
* Start with a full bucket.
*/
band->bucket = (band->burst_size + band->rate) * 1000ULL;
band_max_delta_t = band->bucket / band->rate;
band_max_delta_t = div_u64(band->bucket, band->rate);
if (band_max_delta_t > meter->max_delta_t)
meter->max_delta_t = band_max_delta_t;
band++;
......
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