tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: b69ab96ab13ddaa28a506a2433ae5b12669615e8 commit: e65d4d96334e3ff4fe0064612a93a51c63de08de [408/425] rds: Remove IPv6 dependency reproduce: # apt-get install sparse git checkout e65d4d96334e3ff4fe0064612a93a51c63de08de make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>) >> net/rds/connection.c:71:31: sparse: incorrect type in argument 1 (different >> base types) @@ expected restricted __be32 const [usertype] laddr @@ >> got unsigned inrestricted __be32 const [usertype] laddr @@ net/rds/connection.c:71:31: expected restricted __be32 const [usertype] laddr net/rds/connection.c:71:31: got unsigned int [unsigned] [assigned] [usertype] lhash >> net/rds/connection.c:71:41: sparse: incorrect type in argument 3 (different >> base types) @@ expected restricted __be32 const [usertype] faddr @@ >> got unsigned inrestricted __be32 const [usertype] faddr @@ net/rds/connection.c:71:41: expected restricted __be32 const [usertype] faddr net/rds/connection.c:71:41: got unsigned int [unsigned] [assigned] [usertype] fhash include/linux/slab.h:631:13: sparse: undefined identifier '__builtin_mul_overflow' include/linux/slab.h:631:13: sparse: call with no type! vim +71 net/rds/connection.c 53 54 static struct hlist_head *rds_conn_bucket(const struct in6_addr *laddr, 55 const struct in6_addr *faddr) 56 { 57 static u32 rds6_hash_secret __read_mostly; 58 static u32 rds_hash_secret __read_mostly; 59 60 u32 lhash, fhash, hash; 61 62 net_get_random_once(&rds_hash_secret, sizeof(rds_hash_secret)); 63 net_get_random_once(&rds6_hash_secret, sizeof(rds6_hash_secret)); 64 65 lhash = (__force u32)laddr->s6_addr32[3]; 66 #if IS_ENABLED(CONFIG_IPV6) 67 fhash = __ipv6_addr_jhash(faddr, rds6_hash_secret); 68 #else 69 fhash = (__force u32)faddr->s6_addr32[3]; 70 #endif > 71 hash = __inet_ehashfn(lhash, 0, fhash, 0, rds_hash_secret); 72 73 return &rds_conn_hash[hash & RDS_CONNECTION_HASH_MASK]; 74 } 75 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation