tree: https://github.com/liu-song-6/linux.git uprobe-thp head: 757cb898eb3096f4ed9487b503748d6e3a4d3332 commit: fda08ae863e2fe70adced116d0d7f2ab3b75f219 [138/185] bitops: more BITS_TO_* macros config: x86_64-rhel-7.6 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout fda08ae863e2fe70adced116d0d7f2ab3b75f219 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c:30:0: >> drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h:299:0: warning: "BITS_TO_BYTES" redefined #define BITS_TO_BYTES(x) ((x)/8) In file included from include/linux/bitmap.h:8:0, from include/linux/ethtool.h:16, from drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c:22: include/linux/bitops.h:11:0: note: this is the location of the previous definition #define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char)) vim +/BITS_TO_BYTES +299 drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h 619c5cb6 drivers/net/bnx2x/bnx2x_init.h Vlad Zolotarov 2011-06-14 281 619c5cb6 drivers/net/bnx2x/bnx2x_init.h Vlad Zolotarov 2011-06-14 282 dbedd44e drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Joe Perches 2015-03-06 283 /* congestion management port init api description b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 284 * the api works as follows: b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 285 * the driver should pass the cmng_init_input struct, the port_init function b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 286 * will prepare the required internal ram structure which will be passed back b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 287 * to the driver (cmng_init) that will write it into the internal ram. b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 288 * b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 289 * IMPORTANT REMARKS: b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 290 * 1. the cmng_init struct does not represent the contiguous internal ram b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 291 * structure. the driver should use the XSTORM_CMNG_PERPORT_VARS_OFFSET b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 292 * offset in order to write the port sub struct and the b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 293 * PFID_FROM_PORT_AND_VNIC offset for writing the vnic sub struct (in other b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 294 * words - don't use memcpy!). b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 295 * 2. although the cmng_init struct is filled for the maximal vnic number b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 296 * possible, the driver should only write the valid vnics into the internal b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 297 * ram according to the appropriate port mode. b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 298 */ b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 @299 #define BITS_TO_BYTES(x) ((x)/8) b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz 2012-04-03 300 :::::: The code at line 299 was first introduced by commit :::::: b475d78f464195cbdeeda0d80a2ffbd54653a4bd bnx2x: congestion management re-organization :::::: TO: Yuval Mintz <yuvalmin@xxxxxxxxxxxx> :::::: CC: David S. Miller <davem@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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