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From: kernel test robot <lkp@intel.com>
To: Jussi Maki <joamaki@gmail.com>, bpf@vger.kernel.org
Cc: kbuild-all@lists.01.org, netdev@vger.kernel.org,
	daniel@iogearbox.net, j.vosburgh@gmail.com, andy@greyhouse.net,
	vfalico@gmail.com, andrii@kernel.org,
	maciej.fijalkowski@intel.com, magnus.karlsson@intel.com,
	Jussi Maki <joamaki@gmail.com>
Subject: Re: [PATCH bpf-next v3 3/5] net: bonding: Add XDP support to the bonding driver
Date: Tue, 13 Jul 2021 15:14:45 +0800	[thread overview]
Message-ID: <202107131548.CFsq4rn4-lkp@intel.com> (raw)
In-Reply-To: <20210707112551.9782-4-joamaki@gmail.com>

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Hi Jussi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Jussi-Maki/net-bonding-Refactor-bond_xmit_hash-for-use-with-xdp_buff/20210707-211616
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: m68k-randconfig-s032-20210713 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/127745a2455bc3577cdcafb06381fa4da354f8c2
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jussi-Maki/net-bonding-Refactor-bond_xmit_hash-for-use-with-xdp_buff/20210707-211616
        git checkout 127745a2455bc3577cdcafb06381fa4da354f8c2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
   drivers/net/bonding/bond_main.c:2671:26: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/bonding/bond_main.c:2677:20: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/bonding/bond_main.c:2724:40: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be16 [usertype] vlan_proto @@     got int @@
   drivers/net/bonding/bond_main.c:2724:40: sparse:     expected restricted __be16 [usertype] vlan_proto
   drivers/net/bonding/bond_main.c:2724:40: sparse:     got int
>> drivers/net/bonding/bond_main.c:4632:16: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct bond_up_slave *slaves @@     got struct bond_up_slave [noderef] __rcu *usable_slaves @@
   drivers/net/bonding/bond_main.c:4632:16: sparse:     expected struct bond_up_slave *slaves
   drivers/net/bonding/bond_main.c:4632:16: sparse:     got struct bond_up_slave [noderef] __rcu *usable_slaves
   drivers/net/bonding/bond_main.c:3563:52: sparse: sparse: restricted __be16 degrades to integer
   drivers/net/bonding/bond_main.c:3563:52: sparse: sparse: restricted __be16 degrades to integer

vim +4632 drivers/net/bonding/bond_main.c

  4623	
  4624	static struct slave *bond_xdp_xmit_3ad_xor_slave_get(struct bonding *bond,
  4625							     struct xdp_buff *xdp)
  4626	{
  4627		struct bond_up_slave *slaves;
  4628		unsigned int count;
  4629		u32 hash;
  4630	
  4631		hash = bond_xmit_hash_xdp(bond, xdp);
> 4632		slaves = bond->usable_slaves;
  4633		count = slaves ? READ_ONCE(slaves->count) : 0;
  4634		if (unlikely(!count))
  4635			return NULL;
  4636	
  4637		return slaves->arr[hash % count];
  4638	}
  4639	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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  reply	other threads:[~2021-07-13  7:15 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-09 13:55 [PATCH bpf-next 0/3] XDP bonding support Jussi Maki
2021-06-09 13:55 ` [PATCH bpf-next 1/3] net: bonding: Add XDP support to the bonding driver Jussi Maki
2021-06-09 22:29   ` Maciej Fijalkowski
2021-06-09 23:29   ` Jay Vosburgh
2021-06-14  8:02     ` Jussi Maki
2021-06-17  3:40   ` kernel test robot
2021-06-17  6:35   ` kernel test robot
2021-06-22  7:24   ` kernel test robot
2021-06-09 13:55 ` [PATCH bpf-next 2/3] net: bonding: Use per-cpu rr_tx_counter Jussi Maki
2021-06-10  0:04   ` Jay Vosburgh
2021-06-14  7:54     ` Jussi Maki
2021-06-09 13:55 ` [PATCH bpf-next 3/3] selftests/bpf: Add tests for XDP bonding Jussi Maki
2021-06-09 22:07   ` Maciej Fijalkowski
2021-06-14  8:08     ` Jussi Maki
2021-06-14  8:48       ` Magnus Karlsson
2021-06-14 12:20         ` Jussi Maki
2021-06-10 17:24 ` [PATCH bpf-next 0/3] XDP bonding support Andrii Nakryiko
2021-06-14 12:25   ` Jussi Maki
2021-06-14 15:37     ` Jay Vosburgh
2021-06-15  5:34     ` Andrii Nakryiko
2021-06-24  9:18 ` [PATCH bpf-next v2 0/4] " joamaki
2021-06-24  9:18   ` [PATCH bpf-next v2 1/4] net: bonding: Refactor bond_xmit_hash for use with xdp_buff joamaki
2021-06-24  9:18   ` [PATCH bpf-next v2 2/4] net: core: Add support for XDP redirection to slave device joamaki
2021-06-24  9:18   ` [PATCH bpf-next v2 3/4] net: bonding: Add XDP support to the bonding driver joamaki
2021-06-24  9:18   ` [PATCH bpf-next v2 4/4] devmap: Exclude XDP broadcast to master device joamaki
2021-07-01 18:12     ` Jay Vosburgh
2021-07-05 11:44       ` Jussi Maki
2021-07-01 18:20   ` [PATCH bpf-next v2 0/4] XDP bonding support Jay Vosburgh
2021-07-05 10:32     ` Jussi Maki
2021-07-07 11:25 ` [PATCH bpf-next v3 0/5] " Jussi Maki
2021-07-07 11:25   ` [PATCH bpf-next v3 1/5] net: bonding: Refactor bond_xmit_hash for use with xdp_buff Jussi Maki
2021-07-07 11:25   ` [PATCH bpf-next v3 2/5] net: core: Add support for XDP redirection to slave device Jussi Maki
2021-07-07 11:25   ` [PATCH bpf-next v3 3/5] net: bonding: Add XDP support to the bonding driver Jussi Maki
2021-07-13  7:14     ` kernel test robot [this message]
2021-07-07 11:25   ` [PATCH bpf-next v3 4/5] devmap: Exclude XDP broadcast to master device Jussi Maki
2021-07-07 11:25   ` [PATCH bpf-next v3 5/5] net: core: Allow netdev_lower_get_next_private_rcu in bh context Jussi Maki
2021-07-28 23:43 ` [PATCH bpf-next v4 0/6] XDP bonding support joamaki
2021-07-28 23:43   ` [PATCH bpf-next v4 1/6] net: bonding: Refactor bond_xmit_hash for use with xdp_buff joamaki
2021-07-28 23:43   ` [PATCH bpf-next v4 2/6] net: core: Add support for XDP redirection to slave device joamaki
2021-07-28 23:43   ` [PATCH bpf-next v4 3/6] net: bonding: Add XDP support to the bonding driver joamaki
2021-07-28 23:43   ` [PATCH bpf-next v4 4/6] devmap: Exclude XDP broadcast to master device joamaki
2021-07-28 23:43   ` [PATCH bpf-next v4 5/6] net: core: Allow netdev_lower_get_next_private_rcu in bh context joamaki
2021-07-28 23:43   ` [PATCH bpf-next v4 6/6] selftests/bpf: Add tests for XDP bonding joamaki
2021-08-03  0:19     ` Andrii Nakryiko
2021-08-03  9:40       ` Jussi Maki
2021-07-30  6:18 ` [PATCH bpf-next v5 0/7] XDP bonding support Jussi Maki
2021-07-30  6:18   ` [PATCH bpf-next v5 1/7] net: bonding: Refactor bond_xmit_hash for use with xdp_buff Jussi Maki
2021-07-30  6:18   ` [PATCH bpf-next v5 2/7] net: core: Add support for XDP redirection to slave device Jussi Maki
2021-07-30  6:18   ` [PATCH bpf-next v5 3/7] net: bonding: Add XDP support to the bonding driver Jussi Maki
2021-07-30  6:18   ` [PATCH bpf-next v5 4/7] devmap: Exclude XDP broadcast to master device Jussi Maki
2021-07-30  6:18   ` [PATCH bpf-next v5 5/7] net: core: Allow netdev_lower_get_next_private_rcu in bh context Jussi Maki
2021-07-30  6:18   ` [PATCH bpf-next v5 6/7] selftests/bpf: Fix xdp_tx.c prog section name Jussi Maki
2021-08-04 23:35     ` Andrii Nakryiko
2021-07-30  6:18   ` [PATCH bpf-next v5 7/7] selftests/bpf: Add tests for XDP bonding Jussi Maki
2021-08-04 23:33     ` Andrii Nakryiko
2021-07-31  5:57 ` [PATCH bpf-next v6 0/7]: XDP bonding support Jussi Maki
2021-07-31  5:57   ` [PATCH bpf-next v6 1/7] net: bonding: Refactor bond_xmit_hash for use with xdp_buff Jussi Maki
2021-08-11  1:52     ` Jonathan Toppins
2021-08-11  8:22       ` Jussi Maki
2021-08-11 14:05         ` Jonathan Toppins
2021-08-16  9:05           ` Jussi Maki
2021-07-31  5:57   ` [PATCH bpf-next v6 2/7] net: core: Add support for XDP redirection to slave device Jussi Maki
2021-07-31  5:57   ` [PATCH bpf-next v6 3/7] net: bonding: Add XDP support to the bonding driver Jussi Maki
2021-07-31  5:57   ` [PATCH bpf-next v6 4/7] devmap: Exclude XDP broadcast to master device Jussi Maki
2021-07-31  5:57   ` [PATCH bpf-next v6 5/7] net: core: Allow netdev_lower_get_next_private_rcu in bh context Jussi Maki
2021-07-31  5:57   ` [PATCH bpf-next v6 6/7] selftests/bpf: Fix xdp_tx.c prog section name Jussi Maki
2021-08-06 22:53     ` Andrii Nakryiko
2021-07-31  5:57   ` [PATCH bpf-next v6 7/7] selftests/bpf: Add tests for XDP bonding Jussi Maki
2021-08-06 22:50     ` Andrii Nakryiko
2021-08-09 14:24       ` Jussi Maki
2021-08-09 21:41         ` Daniel Borkmann

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