From: kernel test robot <lkp@intel.com>
To: Sameeh Jubran <sameehj@amazon.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: drivers/net/ethernet/amazon/ena/ena_netdev.c:160:3: note: in expansion of macro 'xchg'
Date: Thu, 25 Jun 2020 00:47:42 +0800 [thread overview]
Message-ID: <202006250038.YkcUCGFA%lkp@intel.com> (raw)
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Hi Sameeh,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3e08a95294a4fb3702bb3d35ed08028433c37fe6
commit: 838c93dc5449e5d6378bae117b0a65a122cf7361 net: ena: implement XDP drop support
date: 7 months ago
config: ia64-randconfig-r013-20200624 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 838c93dc5449e5d6378bae117b0a65a122cf7361
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/net/ethernet/amazon/ena/ena_netdev.c:150:6: warning: no previous prototype for 'ena_xdp_exchange_program_rx_in_range' [-Wmissing-prototypes]
150 | void ena_xdp_exchange_program_rx_in_range(struct ena_adapter *adapter,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/ia64/include/uapi/asm/intrinsics.h:22,
from arch/ia64/include/asm/intrinsics.h:11,
from arch/ia64/include/asm/bitops.h:19,
from include/linux/bitops.h:26,
from include/linux/bitmap.h:8,
from include/linux/ethtool.h:16,
from drivers/net/ethernet/amazon/ena/ena_netdev.c:38:
drivers/net/ethernet/amazon/ena/ena_netdev.c: In function 'ena_xdp_exchange_program_rx_in_range':
arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value]
57 | ((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr))))
| ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/ethernet/amazon/ena/ena_netdev.c:160:3: note: in expansion of macro 'xchg'
160 | xchg(&rx_ring->xdp_bpf_prog, prog);
| ^~~~
drivers/net/ethernet/amazon/ena/ena_netdev.c: At top level:
drivers/net/ethernet/amazon/ena/ena_netdev.c:168:6: warning: no previous prototype for 'ena_xdp_exchange_program' [-Wmissing-prototypes]
168 | void ena_xdp_exchange_program(struct ena_adapter *adapter,
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/amazon/ena/ena_netdev.c:1154:5: warning: no previous prototype for 'ena_xdp_handle_buff' [-Wmissing-prototypes]
1154 | int ena_xdp_handle_buff(struct ena_ring *rx_ring, struct xdp_buff *xdp)
| ^~~~~~~~~~~~~~~~~~~
vim +/xchg +160 drivers/net/ethernet/amazon/ena/ena_netdev.c
149
150 void ena_xdp_exchange_program_rx_in_range(struct ena_adapter *adapter,
151 struct bpf_prog *prog,
152 int first,
153 int count)
154 {
155 struct ena_ring *rx_ring;
156 int i = 0;
157
158 for (i = first; i < count; i++) {
159 rx_ring = &adapter->rx_ring[i];
> 160 xchg(&rx_ring->xdp_bpf_prog, prog);
161 if (prog)
162 rx_ring->rx_headroom = XDP_PACKET_HEADROOM;
163 else
164 rx_ring->rx_headroom = 0;
165 }
166 }
167
---
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:[~2020-06-24 16:48 UTC|newest]
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