From: kernel test robot <lkp@intel.com>
To: Eric Dumazet <eric.dumazet@gmail.com>,
"David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
netdev <netdev@vger.kernel.org>,
Eric Dumazet <edumazet@google.com>,
Coco Li <lixiaoyan@google.com>
Subject: Re: [PATCH net-next 09/15] net: increase MAX_SKB_FRAGS
Date: Thu, 3 Feb 2022 13:23:13 +0800 [thread overview]
Message-ID: <202202031315.B425Ipe8-lkp@intel.com> (raw)
In-Reply-To: <20220203015140.3022854-10-eric.dumazet@gmail.com>
Hi Eric,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Eric-Dumazet/tcp-BIG-TCP-implementation/20220203-095336
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 52dae93f3bad842c6d585700460a0dea4d70e096
config: hexagon-randconfig-r045-20220130 (https://download.01.org/0day-ci/archive/20220203/202202031315.B425Ipe8-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a73e4ce6a59b01f0e37037761c1e6889d539d233)
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
# https://github.com/0day-ci/linux/commit/64ec6b0260be94b2ed90ee6d139591bdbd49c82d
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Eric-Dumazet/tcp-BIG-TCP-implementation/20220203-095336
git checkout 64ec6b0260be94b2ed90ee6d139591bdbd49c82d
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash kernel/bpf/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from kernel/bpf/btf.c:22:
>> include/linux/skmsg.h:41:1: error: static_assert failed due to requirement '32 >= (45UL + 1)' "BITS_PER_LONG >= NR_MSG_FRAG_IDS"
static_assert(BITS_PER_LONG >= NR_MSG_FRAG_IDS);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^ ~~~~
1 error generated.
vim +41 include/linux/skmsg.h
604326b41a6fb9 Daniel Borkmann 2018-10-13 25
604326b41a6fb9 Daniel Borkmann 2018-10-13 26 struct sk_msg_sg {
604326b41a6fb9 Daniel Borkmann 2018-10-13 27 u32 start;
604326b41a6fb9 Daniel Borkmann 2018-10-13 28 u32 curr;
604326b41a6fb9 Daniel Borkmann 2018-10-13 29 u32 end;
604326b41a6fb9 Daniel Borkmann 2018-10-13 30 u32 size;
604326b41a6fb9 Daniel Borkmann 2018-10-13 31 u32 copybreak;
163ab96b52ae2b Jakub Kicinski 2019-10-06 32 unsigned long copy;
031097d9e079e4 Jakub Kicinski 2019-11-27 33 /* The extra two elements:
031097d9e079e4 Jakub Kicinski 2019-11-27 34 * 1) used for chaining the front and sections when the list becomes
031097d9e079e4 Jakub Kicinski 2019-11-27 35 * partitioned (e.g. end < start). The crypto APIs require the
031097d9e079e4 Jakub Kicinski 2019-11-27 36 * chaining;
031097d9e079e4 Jakub Kicinski 2019-11-27 37 * 2) to chain tailer SG entries after the message.
d3b18ad31f93d0 John Fastabend 2018-10-13 38 */
031097d9e079e4 Jakub Kicinski 2019-11-27 39 struct scatterlist data[MAX_MSG_FRAGS + 2];
604326b41a6fb9 Daniel Borkmann 2018-10-13 40 };
031097d9e079e4 Jakub Kicinski 2019-11-27 @41 static_assert(BITS_PER_LONG >= NR_MSG_FRAG_IDS);
604326b41a6fb9 Daniel Borkmann 2018-10-13 42
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
next prev parent reply other threads:[~2022-02-03 5:23 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-03 1:51 [PATCH net-next 00/15] tcp: BIG TCP implementation Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 01/15] net: add netdev->tso_ipv6_max_size attribute Eric Dumazet
2022-02-03 16:34 ` Jakub Kicinski
2022-02-03 16:56 ` Eric Dumazet
2022-02-03 18:58 ` Jakub Kicinski
2022-02-03 19:12 ` Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 02/15] ipv6: add dev->gso_ipv6_max_size Eric Dumazet
2022-02-03 8:57 ` Paolo Abeni
2022-02-03 15:34 ` Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 03/15] tcp_cubic: make hystart_ack_delay() aware of BIG TCP Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 04/15] ipv6: add struct hop_jumbo_hdr definition Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 05/15] ipv6/gso: remove temporary HBH/jumbo header Eric Dumazet
2022-02-03 18:53 ` Alexander H Duyck
2022-02-03 19:17 ` Eric Dumazet
2022-02-03 19:45 ` Alexander Duyck
2022-02-03 19:59 ` Eric Dumazet
2022-02-03 21:08 ` Alexander H Duyck
2022-02-03 21:41 ` Eric Dumazet
2022-02-04 0:05 ` Alexander Duyck
2022-02-04 0:27 ` Eric Dumazet
2022-02-04 1:14 ` Eric Dumazet
2022-02-04 1:48 ` Eric Dumazet
2022-02-04 2:15 ` Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 06/15] ipv6/gro: insert " Eric Dumazet
2022-02-03 9:19 ` Paolo Abeni
2022-02-03 15:48 ` Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 07/15] ipv6: add GRO_IPV6_MAX_SIZE Eric Dumazet
2022-02-03 2:18 ` Eric Dumazet
2022-02-03 10:44 ` Paolo Abeni
2022-02-03 1:51 ` [PATCH net-next 08/15] ipv6: Add hop-by-hop header to jumbograms in ip6_output Eric Dumazet
2022-02-03 9:07 ` Paolo Abeni
2022-02-03 16:31 ` Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 09/15] net: increase MAX_SKB_FRAGS Eric Dumazet
2022-02-03 5:02 ` kernel test robot
2022-02-03 5:20 ` Eric Dumazet
2022-02-03 5:31 ` Jakub Kicinski
2022-02-03 6:35 ` Eric Dumazet
2022-02-03 5:23 ` kernel test robot [this message]
2022-02-03 5:43 ` kernel test robot
2022-02-03 16:01 ` Paolo Abeni
2022-02-03 17:26 ` Alexander H Duyck
2022-02-03 17:34 ` Eric Dumazet
2022-02-03 17:56 ` Alexander Duyck
2022-02-03 19:18 ` Jakub Kicinski
2022-02-03 19:20 ` Eric Dumazet
2022-02-03 19:54 ` Eric Dumazet
2022-02-04 10:18 ` David Laight
2022-02-04 15:46 ` Alexander Duyck
2022-02-03 1:51 ` [PATCH net-next 10/15] net: loopback: enable BIG TCP packets Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 11/15] bonding: update dev->tso_ipv6_max_size Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 12/15] macvlan: enable BIG TCP Packets Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 13/15] ipvlan: " Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 14/15] mlx4: support BIG TCP packets Eric Dumazet
2022-02-03 13:04 ` Tariq Toukan
2022-02-03 15:54 ` Eric Dumazet
2022-02-03 1:51 ` [PATCH net-next 15/15] mlx5: " Eric Dumazet
2022-02-03 7:27 ` Tariq Toukan
2022-02-04 4:03 ` kernel test robot
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