From: kernel test robot <lkp@intel.com>
To: Stanislav Fomichev <sdf@google.com>, bpf@vger.kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@linux.dev, song@kernel.org, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com,
haoluo@google.com, jolsa@kernel.org, kuba@kernel.org,
toke@kernel.org, willemb@google.com, dsahern@kernel.org,
magnus.karlsson@intel.com, bjorn@kernel.org,
maciej.fijalkowski@intel.com, hawk@kernel.org,
yoong.siang.song@intel.com, netdev@vger.kernel.org,
xdp-hints@xdp-project.net
Subject: Re: [PATCH bpf-next v2 2/9] xsk: add TX timestamp and TX checksum offload support
Date: Fri, 15 Sep 2023 17:44:43 +0800 [thread overview]
Message-ID: <202309151727.81IIJrBK-lkp@intel.com> (raw)
In-Reply-To: <20230914210452.2588884-3-sdf@google.com>
Hi Stanislav,
kernel test robot noticed the following build warnings:
[auto build test WARNING on bpf-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Stanislav-Fomichev/xsk-Support-tx_metadata_len/20230915-051153
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link: https://lore.kernel.org/r/20230914210452.2588884-3-sdf%40google.com
patch subject: [PATCH bpf-next v2 2/9] xsk: add TX timestamp and TX checksum offload support
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20230915/202309151727.81IIJrBK-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230915/202309151727.81IIJrBK-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309151727.81IIJrBK-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from net/core/filter.c:21:
In file included from include/linux/bpf_verifier.h:7:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from net/core/filter.c:21:
In file included from include/linux/bpf_verifier.h:7:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from net/core/filter.c:21:
In file included from include/linux/bpf_verifier.h:7:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from net/core/filter.c:62:
>> include/net/xdp_sock.h:183:52: warning: declaration of 'struct xsk_tx_metadata_comp' will not be visible outside of this function [-Wvisibility]
183 | static inline void xsk_tx_metadata_complete(struct xsk_tx_metadata_comp *compl,
| ^
13 warnings generated.
vim +183 include/net/xdp_sock.h
182
> 183 static inline void xsk_tx_metadata_complete(struct xsk_tx_metadata_comp *compl,
184 const struct xsk_tx_metadata_ops *ops,
185 void *priv)
186 {
187 }
188
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2023-09-15 9:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-14 21:04 [PATCH bpf-next v2 0/9] xsk: TX metadata Stanislav Fomichev
2023-09-14 21:04 ` [PATCH bpf-next v2 1/9] xsk: Support tx_metadata_len Stanislav Fomichev
2023-09-14 21:04 ` [PATCH bpf-next v2 2/9] xsk: add TX timestamp and TX checksum offload support Stanislav Fomichev
2023-09-15 1:29 ` kernel test robot
2023-09-15 1:30 ` Vinicius Costa Gomes
2023-09-15 16:25 ` Stanislav Fomichev
2023-09-15 9:44 ` kernel test robot [this message]
2023-09-14 21:04 ` [PATCH bpf-next v2 3/9] tools: ynl: print xsk-features from the sample Stanislav Fomichev
2023-09-14 21:04 ` [PATCH bpf-next v2 4/9] net/mlx5e: Implement AF_XDP TX timestamp and checksum offload Stanislav Fomichev
2023-09-15 2:44 ` kernel test robot
2023-09-14 21:04 ` [PATCH bpf-next v2 5/9] selftests/xsk: Support tx_metadata_len Stanislav Fomichev
2023-09-14 21:04 ` [PATCH bpf-next v2 6/9] selftests/bpf: Add csum helpers Stanislav Fomichev
2023-09-14 21:04 ` [PATCH bpf-next v2 7/9] selftests/bpf: Add TX side to xdp_metadata Stanislav Fomichev
2023-09-14 21:04 ` [PATCH bpf-next v2 8/9] selftests/bpf: Add TX side to xdp_hw_metadata Stanislav Fomichev
2023-09-14 21:04 ` [PATCH bpf-next v2 9/9] xsk: document tx_metadata_len layout Stanislav Fomichev
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