Hi Waiman, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.18-rc1 next-20180618] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Waiman-Long/ipc-IPCMNI-limit-check-for-mni-increase-that-limit/20180618-183206 config: i386-randconfig-x013-201824 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): In file included from ipc/mqueue.c:43:0: ipc/util.h: In function 'sem_check_semmni': >> ipc/util.h:251:54: error: 'ipcmni_max' undeclared (first use in this function); did you mean 'icmp_mib'? return ((ns->sem_ctls[3] < 0) || (ns->sem_ctls[3] > ipcmni_max)) ^~~~~~~~~~ icmp_mib ipc/util.h:251:54: note: each undeclared identifier is reported only once for each function it appears in -- In file included from ipc/msgutil.c:22:0: ipc/util.h: In function 'sem_check_semmni': >> ipc/util.h:251:54: error: 'ipcmni_max' undeclared (first use in this function); did you mean 'pci_iomap'? return ((ns->sem_ctls[3] < 0) || (ns->sem_ctls[3] > ipcmni_max)) ^~~~~~~~~~ pci_iomap ipc/util.h:251:54: note: each undeclared identifier is reported only once for each function it appears in vim +251 ipc/util.h 239 240 struct kern_ipc_perm *ipc_obtain_object_check(struct ipc_ids *ids, int id); 241 int ipcget(struct ipc_namespace *ns, struct ipc_ids *ids, 242 const struct ipc_ops *ops, struct ipc_params *params); 243 void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids, 244 void (*free)(struct ipc_namespace *, struct kern_ipc_perm *)); 245 246 static inline int sem_check_semmni(struct ipc_namespace *ns) { 247 /* 248 * Check semmni range [0, ipcmni_max] 249 * semmni is the last element of sem_ctls[4] array 250 */ > 251 return ((ns->sem_ctls[3] < 0) || (ns->sem_ctls[3] > ipcmni_max)) 252 ? -ERANGE : 0; 253 } 254 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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