Hi Léo, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fe07bfda2fb9cdef8a4d4008a409bb02f35f1bd8 commit: 9b22fece786ed641909988da4810bfa8e5d2e592 atlantic: remove architecture depends date: 9 weeks ago config: mips-randconfig-r011-20210301 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b077d82b00d81934c7c27ac89dd8b0e7f448bded) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9b22fece786ed641909988da4810bfa8e5d2e592 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9b22fece786ed641909988da4810bfa8e5d2e592 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.h:13: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:10: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/lockdep.h:27: include/linux/debug_locks.h:17:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] return xchg(&debug_locks, 0); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.h:13: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:202:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] cmpxchg64(&buddy->pte, 0, _PAGE_GLOBAL); ^ arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.h:13: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:202:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.h:13: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:28: In file included from include/net/checksum.h:22: arch/mips/include/asm/checksum.h:161:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int') : "0" ((__force unsigned long)daddr), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.h:13: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:21: include/linux/netdevice.h:560:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] } while (cmpxchg(&n->state, val, new) != val); ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/aq_ring.h:13: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:21: include/linux/netdevice.h:560:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ >> drivers/net/ethernet/aquantia/atlantic/aq_ring.c:80:21: warning: taking >> address of packed member '' of class or structure 'aq_ring_buff_s' may >> result in an unaligned pointer value [-Waddress-of-packed-member] aq_free_rxpage(&rxbuf->rxdata, ^~~~~~~~~~~~~ drivers/net/ethernet/aquantia/atlantic/aq_ring.c:95:24: warning: taking address of packed member '' of class or structure 'aq_ring_buff_s' may result in an unaligned pointer value [-Waddress-of-packed-member] ret = aq_get_rxpage(&rxbuf->rxdata, order, ^~~~~~~~~~~~~ drivers/net/ethernet/aquantia/atlantic/aq_ring.c:427:23: warning: taking address of packed member '' of class or structure 'aq_ring_buff_s' may result in an unaligned pointer value [-Waddress-of-packed-member] aq_buf_vaddr(&buff->rxdata), ^~~~~~~~~~~~ drivers/net/ethernet/aquantia/atlantic/aq_ring.c:433:23: warning: taking address of packed member '' of class or structure 'aq_ring_buff_s' may result in an unaligned pointer value [-Waddress-of-packed-member] aq_buf_vaddr(&buff->rxdata), ^~~~~~~~~~~~ drivers/net/ethernet/aquantia/atlantic/aq_ring.c:436:49: warning: taking address of packed member '' of class or structure 'aq_ring_buff_s' may result in an unaligned pointer value [-Waddress-of-packed-member] memcpy(__skb_put(skb, hdr_len), aq_buf_vaddr(&buff->rxdata), ^~~~~~~~~~~~ drivers/net/ethernet/aquantia/atlantic/aq_ring.c:543:28: warning: taking address of packed member '' of class or structure 'aq_ring_buff_s' may result in an unaligned pointer value [-Waddress-of-packed-member] buff->pa = aq_buf_daddr(&buff->rxdata); ^~~~~~~~~~~~ drivers/net/ethernet/aquantia/atlantic/aq_ring.c:560:19: warning: taking address of packed member '' of class or structure 'aq_ring_buff_s' may result in an unaligned pointer value [-Waddress-of-packed-member] aq_free_rxpage(&buff->rxdata, aq_nic_get_dev(self->aq_nic)); ^~~~~~~~~~~~ 21 warnings and 1 error generated. -- if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/../aq_hw.h:15: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:10: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/lockdep.h:27: include/linux/debug_locks.h:17:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] return xchg(&debug_locks, 0); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/../aq_hw.h:15: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:202:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] cmpxchg64(&buddy->pte, 0, _PAGE_GLOBAL); ^ arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/../aq_hw.h:15: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:202:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/../aq_hw.h:15: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:28: In file included from include/net/checksum.h:22: arch/mips/include/asm/checksum.h:161:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int') : "0" ((__force unsigned long)daddr), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/../aq_hw.h:15: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:21: include/linux/netdevice.h:560:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] } while (cmpxchg(&n->state, val, new) != val); ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:10: In file included from drivers/net/ethernet/aquantia/atlantic/hw_atl/../aq_hw.h:15: In file included from drivers/net/ethernet/aquantia/atlantic/aq_common.h:13: In file included from include/linux/etherdevice.h:21: include/linux/netdevice.h:560:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ >> drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:1323:7: warning: >> taking address of packed member 'ns_mac' of class or structure >> 'hw_fw_request_ptp_adj_freq' may result in an unaligned pointer value >> [-Waddress-of-packed-member] &fwreq.ptp_adj_freq.ns_mac, ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:1324:7: warning: >> taking address of packed member 'fns_mac' of class or structure >> 'hw_fw_request_ptp_adj_freq' may result in an unaligned pointer value >> [-Waddress-of-packed-member] &fwreq.ptp_adj_freq.fns_mac); ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:1326:7: warning: >> taking address of packed member 'ns_phy' of class or structure >> 'hw_fw_request_ptp_adj_freq' may result in an unaligned pointer value >> [-Waddress-of-packed-member] &fwreq.ptp_adj_freq.ns_phy, ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:1327:7: warning: >> taking address of packed member 'fns_phy' of class or structure >> 'hw_fw_request_ptp_adj_freq' may result in an unaligned pointer value >> [-Waddress-of-packed-member] &fwreq.ptp_adj_freq.fns_phy); ^~~~~~~~~~~~~~~~~~~~~~~~~~ 18 warnings and 1 error generated. vim +80 drivers/net/ethernet/aquantia/atlantic/aq_ring.c 46f4c29d9de6e4 Igor Russkikh 2019-03-23 60 46f4c29d9de6e4 Igor Russkikh 2019-03-23 61 static int aq_get_rxpages(struct aq_ring_s *self, struct aq_ring_buff_s *rxbuf, 46f4c29d9de6e4 Igor Russkikh 2019-03-23 62 int order) 46f4c29d9de6e4 Igor Russkikh 2019-03-23 63 { 46f4c29d9de6e4 Igor Russkikh 2019-03-23 64 int ret; 46f4c29d9de6e4 Igor Russkikh 2019-03-23 65 46f4c29d9de6e4 Igor Russkikh 2019-03-23 66 if (rxbuf->rxdata.page) { 46f4c29d9de6e4 Igor Russkikh 2019-03-23 67 /* One means ring is the only user and can reuse */ 46f4c29d9de6e4 Igor Russkikh 2019-03-23 68 if (page_ref_count(rxbuf->rxdata.page) > 1) { 46f4c29d9de6e4 Igor Russkikh 2019-03-23 69 /* Try reuse buffer */ 46f4c29d9de6e4 Igor Russkikh 2019-03-23 70 rxbuf->rxdata.pg_off += AQ_CFG_RX_FRAME_MAX; 46f4c29d9de6e4 Igor Russkikh 2019-03-23 71 if (rxbuf->rxdata.pg_off + AQ_CFG_RX_FRAME_MAX <= 46f4c29d9de6e4 Igor Russkikh 2019-03-23 72 (PAGE_SIZE << order)) { d7d8bb9286134b Mark Starovoytov 2020-07-20 73 u64_stats_update_begin(&self->stats.rx.syncp); 46f4c29d9de6e4 Igor Russkikh 2019-03-23 74 self->stats.rx.pg_flips++; d7d8bb9286134b Mark Starovoytov 2020-07-20 75 u64_stats_update_end(&self->stats.rx.syncp); 46f4c29d9de6e4 Igor Russkikh 2019-03-23 76 } else { 46f4c29d9de6e4 Igor Russkikh 2019-03-23 77 /* Buffer exhausted. We have other users and 46f4c29d9de6e4 Igor Russkikh 2019-03-23 78 * should release this page and realloc 46f4c29d9de6e4 Igor Russkikh 2019-03-23 79 */ 46f4c29d9de6e4 Igor Russkikh 2019-03-23 @80 aq_free_rxpage(&rxbuf->rxdata, 46f4c29d9de6e4 Igor Russkikh 2019-03-23 81 aq_nic_get_dev(self->aq_nic)); d7d8bb9286134b Mark Starovoytov 2020-07-20 82 u64_stats_update_begin(&self->stats.rx.syncp); 46f4c29d9de6e4 Igor Russkikh 2019-03-23 83 self->stats.rx.pg_losts++; d7d8bb9286134b Mark Starovoytov 2020-07-20 84 u64_stats_update_end(&self->stats.rx.syncp); 46f4c29d9de6e4 Igor Russkikh 2019-03-23 85 } 46f4c29d9de6e4 Igor Russkikh 2019-03-23 86 } else { 46f4c29d9de6e4 Igor Russkikh 2019-03-23 87 rxbuf->rxdata.pg_off = 0; d7d8bb9286134b Mark Starovoytov 2020-07-20 88 u64_stats_update_begin(&self->stats.rx.syncp); 46f4c29d9de6e4 Igor Russkikh 2019-03-23 89 self->stats.rx.pg_reuses++; d7d8bb9286134b Mark Starovoytov 2020-07-20 90 u64_stats_update_end(&self->stats.rx.syncp); 46f4c29d9de6e4 Igor Russkikh 2019-03-23 91 } 46f4c29d9de6e4 Igor Russkikh 2019-03-23 92 } 46f4c29d9de6e4 Igor Russkikh 2019-03-23 93 46f4c29d9de6e4 Igor Russkikh 2019-03-23 94 if (!rxbuf->rxdata.page) { 46f4c29d9de6e4 Igor Russkikh 2019-03-23 95 ret = aq_get_rxpage(&rxbuf->rxdata, order, 46f4c29d9de6e4 Igor Russkikh 2019-03-23 96 aq_nic_get_dev(self->aq_nic)); aa7e17a3e35a6e Dmitry Bogdanov 2020-07-20 97 if (ret) { aa7e17a3e35a6e Dmitry Bogdanov 2020-07-20 98 u64_stats_update_begin(&self->stats.rx.syncp); aa7e17a3e35a6e Dmitry Bogdanov 2020-07-20 99 self->stats.rx.alloc_fails++; aa7e17a3e35a6e Dmitry Bogdanov 2020-07-20 100 u64_stats_update_end(&self->stats.rx.syncp); aa7e17a3e35a6e Dmitry Bogdanov 2020-07-20 101 } 46f4c29d9de6e4 Igor Russkikh 2019-03-23 102 return ret; 46f4c29d9de6e4 Igor Russkikh 2019-03-23 103 } 46f4c29d9de6e4 Igor Russkikh 2019-03-23 104 46f4c29d9de6e4 Igor Russkikh 2019-03-23 105 return 0; 46f4c29d9de6e4 Igor Russkikh 2019-03-23 106 } 46f4c29d9de6e4 Igor Russkikh 2019-03-23 107 :::::: The code at line 80 was first introduced by commit :::::: 46f4c29d9de6e4a9d4ed7de9a37dd42501d89f86 net: aquantia: optimize rx performance by page reuse strategy :::::: TO: Igor Russkikh <[email protected]> :::::: CC: David S. Miller <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
