Messages in this thread | | | Date | Thu, 24 Feb 2022 04:38:32 +0800 | From | kernel test robot <> | Subject | drivers/scsi/qla2xxx/qla_edif_bsg.h:93:12: warning: field remote_pid within 'struct app_pinfo_req' is less aligned than 'port_id_t' and is usually due to 'struct app_pinfo_req' being packed, which can lead to unaligned accesses |
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Hi Quinn,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5c1ee569660d4a205dced9cb4d0306b907fb7599 commit: 7878f22a2e03b69baf792f74488962981a1c9547 scsi: qla2xxx: edif: Add getfcinfo and statistic bsgs date: 7 months ago config: arm-randconfig-r033-20220223 (https://download.01.org/0day-ci/archive/20220224/202202240422.NUeO1V58-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7878f22a2e03b69baf792f74488962981a1c9547 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 7878f22a2e03b69baf792f74488962981a1c9547 # 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=arm SHELL=/bin/bash drivers/scsi/
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 >>):
In file included from drivers/scsi/qla2xxx/qla_edif.c:6: In file included from drivers/scsi/qla2xxx/qla_def.h:34: include/uapi/scsi/scsi_bsg_fc.h:280:4: warning: field rqst_data within 'struct fc_bsg_request' is less aligned than 'union (unnamed union at include/uapi/scsi/scsi_bsg_fc.h:271:2)' and is usually due to 'struct fc_bsg_request' being packed, which can lead to unaligned accesses [-Wunaligned-access] } rqst_data; ^ In file included from drivers/scsi/qla2xxx/qla_edif.c:6: In file included from drivers/scsi/qla2xxx/qla_def.h:74: In file included from drivers/scsi/qla2xxx/qla_bsg.h:298: >> drivers/scsi/qla2xxx/qla_edif_bsg.h:93:12: warning: field remote_pid within 'struct app_pinfo_req' is less aligned than 'port_id_t' and is usually due to 'struct app_pinfo_req' being packed, which can lead to unaligned accesses [-Wunaligned-access] port_id_t remote_pid; ^ 2 warnings generated.
vim +93 drivers/scsi/qla2xxx/qla_edif_bsg.h
7ebb336e45ef1c Quinn Tran 2021-06-23 89 7ebb336e45ef1c Quinn Tran 2021-06-23 90 struct app_pinfo_req { 7ebb336e45ef1c Quinn Tran 2021-06-23 91 struct app_id app_info; 7ebb336e45ef1c Quinn Tran 2021-06-23 92 uint8_t num_ports; 7ebb336e45ef1c Quinn Tran 2021-06-23 @93 port_id_t remote_pid; 7ebb336e45ef1c Quinn Tran 2021-06-23 94 uint8_t reserved[VND_CMD_APP_RESERVED_SIZE]; 7ebb336e45ef1c Quinn Tran 2021-06-23 95 } __packed; 7ebb336e45ef1c Quinn Tran 2021-06-23 96
:::::: The code at line 93 was first introduced by commit :::::: 7ebb336e45ef1ce23462c3bbd03779929008901f scsi: qla2xxx: edif: Add start + stop bsgs
:::::: TO: Quinn Tran <qutran@marvell.com> :::::: CC: Martin K. Petersen <martin.petersen@oracle.com>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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