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Date: Tue, 7 May 2024 14:08:12 +0800
From: kernel test robot <lkp@...el.com>
To: Horatiu Vultur <horatiu.vultur@...rochip.com>, edumazet@...gle.com,
davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
soheil@...gle.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: Re: [PATCH net] net: tcp: Update the type of scaling_ratio
Hi Horatiu,
kernel test robot noticed the following build errors:
[auto build test ERROR on net/main]
url: https://github.com/intel-lab-lkp/linux/commits/Horatiu-Vultur/net-tcp-Update-the-type-of-scaling_ratio/20240506-200600
base: net/main
patch link: https://lore.kernel.org/r/20240506120400.712629-1-horatiu.vultur%40microchip.com
patch subject: [PATCH net] net: tcp: Update the type of scaling_ratio
config: riscv-defconfig
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 37ae4ad0eef338776c7e2cffb3896153d43dcd90)
reproduce (this is a W=1 build):
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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405071346.WIGUjZTJ-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from net/ipv4/tcp.c:252:
In file included from include/linux/inet_diag.h:5:
In file included from include/net/netlink.h:6:
In file included from include/linux/netlink.h:7:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:8:
In file included from include/linux/cacheflush.h:5:
In file included from arch/riscv/include/asm/cacheflush.h:9:
In file included from include/linux/mm.h:2210:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> net/ipv4/tcp.c:4622:2: error: call to '__compiletime_assert_982' declared with 'error' attribute: BUILD_BUG_ON failed: offsetof(struct tcp_sock, __cacheline_group_end__tcp_sock_read_txrx) - offsetofend(struct tcp_sock, __cacheline_group_begin__tcp_sock_read_txrx) > 32
4622 | CACHELINE_ASSERT_GROUP_SIZE(struct tcp_sock, tcp_sock_read_txrx, 32);
| ^
include/linux/cache.h:108:2: note: expanded from macro 'CACHELINE_ASSERT_GROUP_SIZE'
108 | BUILD_BUG_ON(offsetof(TYPE, __cacheline_group_end__##GROUP) - \
| ^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:437:2: note: expanded from macro '_compiletime_assert'
437 | __compiletime_assert(condition, msg, prefix, suffix)
| ^
include/linux/compiler_types.h:430:4: note: expanded from macro '__compiletime_assert'
430 | prefix ## suffix(); \
| ^
<scratch space>:11:1: note: expanded from here
11 | __compiletime_assert_982
| ^
1 warning and 1 error generated.
vim +4622 net/ipv4/tcp.c
4acb41903b2f99 Glauber Costa 2012-01-30 4600
d5fed5addb2b6b Coco Li 2023-12-04 4601 static void __init tcp_struct_check(void)
d5fed5addb2b6b Coco Li 2023-12-04 4602 {
d5fed5addb2b6b Coco Li 2023-12-04 4603 /* TX read-mostly hotpath cache lines */
d5fed5addb2b6b Coco Li 2023-12-04 4604 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, max_window);
d5fed5addb2b6b Coco Li 2023-12-04 4605 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, rcv_ssthresh);
d5fed5addb2b6b Coco Li 2023-12-04 4606 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, reordering);
d5fed5addb2b6b Coco Li 2023-12-04 4607 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, notsent_lowat);
d5fed5addb2b6b Coco Li 2023-12-04 4608 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, gso_segs);
d5fed5addb2b6b Coco Li 2023-12-04 4609 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, lost_skb_hint);
d5fed5addb2b6b Coco Li 2023-12-04 4610 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, retransmit_skb_hint);
d5fed5addb2b6b Coco Li 2023-12-04 4611 CACHELINE_ASSERT_GROUP_SIZE(struct tcp_sock, tcp_sock_read_tx, 40);
d5fed5addb2b6b Coco Li 2023-12-04 4612
d5fed5addb2b6b Coco Li 2023-12-04 4613 /* TXRX read-mostly hotpath cache lines */
d5fed5addb2b6b Coco Li 2023-12-04 4614 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, tsoffset);
d5fed5addb2b6b Coco Li 2023-12-04 4615 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, snd_wnd);
d5fed5addb2b6b Coco Li 2023-12-04 4616 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, mss_cache);
d5fed5addb2b6b Coco Li 2023-12-04 4617 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, snd_cwnd);
d5fed5addb2b6b Coco Li 2023-12-04 4618 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, prr_out);
d5fed5addb2b6b Coco Li 2023-12-04 4619 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, lost_out);
d5fed5addb2b6b Coco Li 2023-12-04 4620 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, sacked_out);
119ff04864a244 Eric Dumazet 2024-02-08 4621 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, scaling_ratio);
119ff04864a244 Eric Dumazet 2024-02-08 @4622 CACHELINE_ASSERT_GROUP_SIZE(struct tcp_sock, tcp_sock_read_txrx, 32);
d5fed5addb2b6b Coco Li 2023-12-04 4623
d5fed5addb2b6b Coco Li 2023-12-04 4624 /* RX read-mostly hotpath cache lines */
d5fed5addb2b6b Coco Li 2023-12-04 4625 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, copied_seq);
d5fed5addb2b6b Coco Li 2023-12-04 4626 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, rcv_tstamp);
d5fed5addb2b6b Coco Li 2023-12-04 4627 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, snd_wl1);
d5fed5addb2b6b Coco Li 2023-12-04 4628 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, tlp_high_seq);
d5fed5addb2b6b Coco Li 2023-12-04 4629 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, rttvar_us);
d5fed5addb2b6b Coco Li 2023-12-04 4630 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, retrans_out);
d5fed5addb2b6b Coco Li 2023-12-04 4631 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, advmss);
d5fed5addb2b6b Coco Li 2023-12-04 4632 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, urg_data);
d5fed5addb2b6b Coco Li 2023-12-04 4633 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, lost);
d5fed5addb2b6b Coco Li 2023-12-04 4634 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, rtt_min);
d5fed5addb2b6b Coco Li 2023-12-04 4635 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, out_of_order_queue);
d5fed5addb2b6b Coco Li 2023-12-04 4636 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, snd_ssthresh);
d5fed5addb2b6b Coco Li 2023-12-04 4637 CACHELINE_ASSERT_GROUP_SIZE(struct tcp_sock, tcp_sock_read_rx, 69);
d5fed5addb2b6b Coco Li 2023-12-04 4638
d5fed5addb2b6b Coco Li 2023-12-04 4639 /* TX read-write hotpath cache lines */
d5fed5addb2b6b Coco Li 2023-12-04 4640 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, segs_out);
d5fed5addb2b6b Coco Li 2023-12-04 4641 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, data_segs_out);
d5fed5addb2b6b Coco Li 2023-12-04 4642 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, bytes_sent);
d5fed5addb2b6b Coco Li 2023-12-04 4643 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, snd_sml);
d5fed5addb2b6b Coco Li 2023-12-04 4644 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, chrono_start);
d5fed5addb2b6b Coco Li 2023-12-04 4645 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, chrono_stat);
d5fed5addb2b6b Coco Li 2023-12-04 4646 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, write_seq);
d5fed5addb2b6b Coco Li 2023-12-04 4647 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, pushed_seq);
d5fed5addb2b6b Coco Li 2023-12-04 4648 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, lsndtime);
d5fed5addb2b6b Coco Li 2023-12-04 4649 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, mdev_us);
d5fed5addb2b6b Coco Li 2023-12-04 4650 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, tcp_wstamp_ns);
d5fed5addb2b6b Coco Li 2023-12-04 4651 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, tcp_clock_cache);
d5fed5addb2b6b Coco Li 2023-12-04 4652 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, tcp_mstamp);
d5fed5addb2b6b Coco Li 2023-12-04 4653 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, rtt_seq);
d5fed5addb2b6b Coco Li 2023-12-04 4654 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, tsorted_sent_queue);
d5fed5addb2b6b Coco Li 2023-12-04 4655 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, highest_sack);
d5fed5addb2b6b Coco Li 2023-12-04 4656 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, ecn_flags);
345a6e2631c126 Eric Dumazet 2024-03-01 4657 CACHELINE_ASSERT_GROUP_SIZE(struct tcp_sock, tcp_sock_write_tx, 105);
d5fed5addb2b6b Coco Li 2023-12-04 4658
d5fed5addb2b6b Coco Li 2023-12-04 4659 /* TXRX read-write hotpath cache lines */
d5fed5addb2b6b Coco Li 2023-12-04 4660 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, pred_flags);
d5fed5addb2b6b Coco Li 2023-12-04 4661 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, rcv_nxt);
d5fed5addb2b6b Coco Li 2023-12-04 4662 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, snd_nxt);
d5fed5addb2b6b Coco Li 2023-12-04 4663 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, snd_una);
d5fed5addb2b6b Coco Li 2023-12-04 4664 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, window_clamp);
d5fed5addb2b6b Coco Li 2023-12-04 4665 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, srtt_us);
d5fed5addb2b6b Coco Li 2023-12-04 4666 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, packets_out);
d5fed5addb2b6b Coco Li 2023-12-04 4667 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, snd_up);
d5fed5addb2b6b Coco Li 2023-12-04 4668 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, delivered);
d5fed5addb2b6b Coco Li 2023-12-04 4669 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, delivered_ce);
d5fed5addb2b6b Coco Li 2023-12-04 4670 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, app_limited);
d5fed5addb2b6b Coco Li 2023-12-04 4671 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, rcv_wnd);
d5fed5addb2b6b Coco Li 2023-12-04 4672 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_txrx, rx_opt);
d5fed5addb2b6b Coco Li 2023-12-04 4673 CACHELINE_ASSERT_GROUP_SIZE(struct tcp_sock, tcp_sock_write_txrx, 76);
d5fed5addb2b6b Coco Li 2023-12-04 4674
d5fed5addb2b6b Coco Li 2023-12-04 4675 /* RX read-write hotpath cache lines */
d5fed5addb2b6b Coco Li 2023-12-04 4676 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, bytes_received);
d5fed5addb2b6b Coco Li 2023-12-04 4677 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, segs_in);
d5fed5addb2b6b Coco Li 2023-12-04 4678 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, data_segs_in);
d5fed5addb2b6b Coco Li 2023-12-04 4679 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, rcv_wup);
d5fed5addb2b6b Coco Li 2023-12-04 4680 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, max_packets_out);
d5fed5addb2b6b Coco Li 2023-12-04 4681 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, cwnd_usage_seq);
d5fed5addb2b6b Coco Li 2023-12-04 4682 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, rate_delivered);
d5fed5addb2b6b Coco Li 2023-12-04 4683 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, rate_interval_us);
d5fed5addb2b6b Coco Li 2023-12-04 4684 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, rcv_rtt_last_tsecr);
d5fed5addb2b6b Coco Li 2023-12-04 4685 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, first_tx_mstamp);
d5fed5addb2b6b Coco Li 2023-12-04 4686 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, delivered_mstamp);
d5fed5addb2b6b Coco Li 2023-12-04 4687 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, bytes_acked);
d5fed5addb2b6b Coco Li 2023-12-04 4688 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, rcv_rtt_est);
d5fed5addb2b6b Coco Li 2023-12-04 4689 CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_rx, rcvq_space);
d5fed5addb2b6b Coco Li 2023-12-04 4690 CACHELINE_ASSERT_GROUP_SIZE(struct tcp_sock, tcp_sock_write_rx, 99);
d5fed5addb2b6b Coco Li 2023-12-04 4691 }
d5fed5addb2b6b Coco Li 2023-12-04 4692
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
View attachment "reproduce" of type "text/plain" (816 bytes)
View attachment "config" of type "text/plain" (172330 bytes)
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