Hi Giuseppe, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [also build test ERROR on v4.15-rc2 next-20171201] [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/Giuseppe-Scrivano/ipc-mqueue-lazy-call-kern_mount_data-in-new-namespaces/20171203-201041 config: i386-randconfig-c0-12032036 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): ipc/namespace.c: In function 'create_ipc_ns': >> ipc/namespace.c:68:8: error: too many arguments to function 'mq_init_ns' err = mq_init_ns(ns, false); ^~~~~~~~~~ In file included from ipc/namespace.c:9:0: include/linux/ipc_namespace.h:119:19: note: declared here static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; } ^~~~~~~~~~ In file included from include/linux/kernel.h:10:0, from include/linux/list.h:9, from include/linux/preempt.h:11, from include/linux/spinlock.h:51, from include/linux/ipc.h:5, from ipc/namespace.c:7: ipc/namespace.c: At top level: include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'strcpy' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:422:2: note: in expansion of macro 'if' if (p_size == (size_t)-1 && q_size == (size_t)-1) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:412:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:410:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:401:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:399:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:390:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:388:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:380:2: note: in expansion of macro 'if' if (p_size < size || q_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:377:3: note: in expansion of macro 'if' if (q_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ vim +/mq_init_ns +68 ipc/namespace.c 31 32 static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns, 33 struct ipc_namespace *old_ns) 34 { 35 struct ipc_namespace *ns; 36 struct ucounts *ucounts; 37 int err; 38 39 err = -ENOSPC; 40 ucounts = inc_ipc_namespaces(user_ns); 41 if (!ucounts) 42 goto fail; 43 44 err = -ENOMEM; 45 ns = kmalloc(sizeof(struct ipc_namespace), GFP_KERNEL); 46 if (ns == NULL) 47 goto fail_dec; 48 49 err = ns_alloc_inum(&ns->ns); 50 if (err) 51 goto fail_free; 52 ns->ns.ops = &ipcns_operations; 53 54 refcount_set(&ns->count, 1); 55 ns->user_ns = get_user_ns(user_ns); 56 ns->ucounts = ucounts; 57 58 err = sem_init_ns(ns); 59 if (err) 60 goto fail_put; 61 err = msg_init_ns(ns); 62 if (err) 63 goto fail_destroy_sem; 64 err = shm_init_ns(ns); 65 if (err) 66 goto fail_destroy_msg; 67 > 68 err = mq_init_ns(ns, false); 69 if (err) 70 goto fail_destroy_shm; 71 72 return ns; 73 74 fail_destroy_shm: 75 shm_exit_ns(ns); 76 fail_destroy_msg: 77 msg_exit_ns(ns); 78 fail_destroy_sem: 79 sem_exit_ns(ns); 80 fail_put: 81 put_user_ns(ns->user_ns); 82 ns_free_inum(&ns->ns); 83 fail_free: 84 kfree(ns); 85 fail_dec: 86 dec_ipc_namespaces(ucounts); 87 fail: 88 return ERR_PTR(err); 89 } 90 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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