Hi Geetha, I love your patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Geetha-sowjanya/Add-Marvell-CN10K-support/20210202-140820 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6626a0266566c5aea16178c5e6cd7fc4db3f2f56 config: ia64-randconfig-r006-20210202 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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/2b6495d2b221c50facea4eb70bee5d0cccfb43e4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Geetha-sowjanya/Add-Marvell-CN10K-support/20210202-140820 git checkout 2b6495d2b221c50facea4eb70bee5d0cccfb43e4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:21: drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h: In function '__cn10k_aura_freeptr': >> drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:529:16: warning: variable 'val' set but not used [-Wunused-but-set-variable] 529 | u64 tar_addr, val = 0; | ^~~ drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h: In function 'otx2_aura_freeptr': drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:578:19: warning: unused variable 'pfvf' [-Wunused-variable] 578 | struct otx2_nic *pfvf = dev; | ^~~~ -- In file included from drivers/net/ethernet/marvell/octeontx2/nic/cn10k.h:10, from drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c:7: drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h: In function '__cn10k_aura_freeptr': >> drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:529:16: warning: variable 'val' set but not used [-Wunused-but-set-variable] 529 | u64 tar_addr, val = 0; | ^~~ drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h: In function 'otx2_aura_freeptr': drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:578:19: warning: unused variable 'pfvf' [-Wunused-variable] 578 | struct otx2_nic *pfvf = dev; | ^~~~ drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c: In function 'cn10k_sqe_flush': >> drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c:164:6: warning: variable 'val' set but not used [-Wunused-but-set-variable] 164 | u64 val = 0, tar_addr = 0; | ^~~ vim +/val +529 drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h 523 524 static inline void __cn10k_aura_freeptr(struct otx2_nic *pfvf, u64 aura, 525 u64 *ptrs, u64 num_ptrs, 526 u64 *lmt_addr) 527 { 528 u64 size = 0, count_eot = 0; > 529 u64 tar_addr, val = 0; 530 531 tar_addr = (__force u64)otx2_get_regaddr(pfvf, NPA_LF_AURA_BATCH_FREE0); 532 /* LMTID is same as AURA Id */ 533 val = (aura & 0x7FF) | BIT_ULL(63); 534 /* Set if [127:64] of last 128bit word has a valid pointer */ 535 count_eot = (num_ptrs % 2) ? 0ULL : 1ULL; 536 /* Set AURA ID to free pointer */ 537 ptrs[0] = (count_eot << 32) | (aura & 0xFFFFF); 538 /* Target address for LMTST flush tells HW how many 128bit 539 * words are valid from NPA_LF_AURA_BATCH_FREE0. 540 * 541 * tar_addr[6:4] is LMTST size-1 in units of 128b. 542 */ 543 if (num_ptrs > 2) { 544 size = (sizeof(u64) * num_ptrs) / 16; 545 if (!count_eot) 546 size++; 547 tar_addr |= ((size - 1) & 0x7) << 4; 548 } 549 memcpy(lmt_addr, ptrs, sizeof(u64) * num_ptrs); 550 /* Perform LMTST flush */ 551 cn10k_lmt_flush(val, tar_addr); 552 } 553 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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