• Arnd Bergmann's avatar
    infiniband: bnxt_re: use BIT_ULL() for 64-bit bit masks · bd8602ca
    Arnd Bergmann authored
    On 32-bit targets, we otherwise get a warning about an impossible constant
    integer expression:
    
    In file included from include/linux/kernel.h:11,
                     from include/linux/interrupt.h:6,
                     from drivers/infiniband/hw/bnxt_re/ib_verbs.c:39:
    drivers/infiniband/hw/bnxt_re/ib_verbs.c: In function 'bnxt_re_query_device':
    include/linux/bitops.h:7:24: error: left shift count >= width of type [-Werror=shift-count-overflow]
     #define BIT(nr)   (1UL << (nr))
                            ^~
    drivers/infiniband/hw/bnxt_re/bnxt_re.h:61:34: note: in expansion of macro 'BIT'
     #define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39)
                                      ^~~
    drivers/infiniband/hw/bnxt_re/bnxt_re.h:62:30: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE_HIGH'
     #define BNXT_RE_MAX_MR_SIZE  BNXT_RE_MAX_MR_SIZE_HIGH
                                  ^~~~~~~~~~~~~~~~~~~~~~~~
    drivers/infiniband/hw/bnxt_re/ib_verbs.c:149:25: note: in expansion of macro 'BNXT_RE_MAX_MR_SIZE'
      ib_attr->max_mr_size = BNXT_RE_MAX_MR_SIZE;
                             ^~~~~~~~~~~~~~~~~~~
    
    Fixes: 872f3578 ("RDMA/bnxt_re: Add support for MRs with Huge pages")
    Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
    Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
    bd8602ca
ib_verbs.c 102 KB