| Message ID | 20211110010024.31415-1-vinicius.gomes@intel.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | BPF |
| Headers | show |
| Series | [net,v1] bpf: Fix build when CONFIG_BPF_SYSCALL is disabled | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net |
| netdev/fixes_present | success | Fixes tag present in non-next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Single patches do not need cover letters |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | fail | Errors and warnings before: 31 this patch: 43 |
| netdev/cc_maintainers | warning | 2 maintainers not CCed: kpsingh@kernel.org john.fastabend@gmail.com |
| netdev/build_clang | fail | Errors and warnings before: 22 this patch: 17 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/verify_fixes | success | Fixes tag looks correct |
| netdev/build_allmodconfig_warn | fail | Errors and warnings before: 36 this patch: 43 |
| netdev/checkpatch | warning | CHECK: struct mutex definition without comment |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
| bpf/vmtest-bpf-next | fail | VM_Test |
| bpf/vmtest-bpf-next-PR | fail | PR summary |
| bpf/vmtest-bpf | fail | VM_Test |
| bpf/vmtest-bpf-PR | fail | PR summary |
Hi Vinicius,
I love your patch! Perhaps something to improve:
[auto build test WARNING on net/master]
url: https://github.com/0day-ci/linux/commits/Vinicius-Costa-Gomes/bpf-Fix-build-when-CONFIG_BPF_SYSCALL-is-disabled/20211110-090148
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git fceb07950a7aac43d52d8c6ef580399a8b9b68fe
config: i386-debian-10.3 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/1e7a382c089da5714e4a9411765e84815cf550f9
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vinicius-Costa-Gomes/bpf-Fix-build-when-CONFIG_BPF_SYSCALL-is-disabled/20211110-090148
git checkout 1e7a382c089da5714e4a9411765e84815cf550f9
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/bpf/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
kernel/bpf/btf.c: In function 'btf_seq_show':
kernel/bpf/btf.c:5876:22: warning: function 'btf_seq_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
5876 | seq_vprintf((struct seq_file *)show->target, fmt, args);
| ^~~~~~~~
kernel/bpf/btf.c: In function 'btf_snprintf_show':
kernel/bpf/btf.c:5913:2: warning: function 'btf_snprintf_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
5913 | len = vsnprintf(show->target, ssnprintf->len_left, fmt, args);
| ^~~
kernel/bpf/btf.c: At top level:
kernel/bpf/btf.c:6370:9: error: variable 'bpf_tcp_ca_kfunc_list' has initializer but incomplete type
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/list.h:21:30: warning: excess elements in struct initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/mutex.h:109:3: error: extra brace group at end of initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/uapi/linux/btf.h:6,
from kernel/bpf/btf.c:4:
include/linux/types.h:170:24: error: extra brace group at end of initializer
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/types.h:170:24: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/mutex.h:109:3: warning: excess elements in struct initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6370:9: error: variable 'prog_test_kfunc_list' has initializer but incomplete type
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'prog_test_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/list.h:21:30: warning: excess elements in struct initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'prog_test_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/mutex.h:109:3: error: extra brace group at end of initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'prog_test_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/uapi/linux/btf.h:6,
from kernel/bpf/btf.c:4:
include/linux/types.h:170:24: error: extra brace group at end of initializer
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/types.h:170:24: note: (near initialization for 'prog_test_kfunc_list')
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'prog_test_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/mutex.h:109:3: warning: excess elements in struct initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'prog_test_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/linkage.h:7,
from include/linux/kernel.h:8,
from arch/x86/include/asm/percpu.h:27,
from arch/x86/include/asm/current.h:6,
from include/linux/sched.h:12,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
kernel/bpf/btf.c:6374:26: error: storage size of 'bpf_tcp_ca_kfunc_list' isn't known
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:26: error: storage size of 'bpf_tcp_ca_kfunc_list' isn't known
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:26: error: storage size of 'prog_test_kfunc_list' isn't known
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:26: error: storage size of 'prog_test_kfunc_list' isn't known
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
vim +21 include/linux/list.h
^1da177e4c3f41 Linus Torvalds 2005-04-16 10
^1da177e4c3f41 Linus Torvalds 2005-04-16 11 /*
1eafe075bf9cb4 Asif Rasheed 2020-09-20 12 * Circular doubly linked list implementation.
^1da177e4c3f41 Linus Torvalds 2005-04-16 13 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 14 * Some of the internal functions ("__xxx") are useful when
^1da177e4c3f41 Linus Torvalds 2005-04-16 15 * manipulating whole lists rather than single entries, as
^1da177e4c3f41 Linus Torvalds 2005-04-16 16 * sometimes we already know the next/prev entries and we can
^1da177e4c3f41 Linus Torvalds 2005-04-16 17 * generate better code by using them directly rather than
^1da177e4c3f41 Linus Torvalds 2005-04-16 18 * using the generic single-entry routines.
^1da177e4c3f41 Linus Torvalds 2005-04-16 19 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 20
^1da177e4c3f41 Linus Torvalds 2005-04-16 @21 #define LIST_HEAD_INIT(name) { &(name), &(name) }
^1da177e4c3f41 Linus Torvalds 2005-04-16 22
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Hi Vinicius,
I love your patch! Yet something to improve:
[auto build test ERROR on net/master]
url: https://github.com/0day-ci/linux/commits/Vinicius-Costa-Gomes/bpf-Fix-build-when-CONFIG_BPF_SYSCALL-is-disabled/20211110-090148
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git fceb07950a7aac43d52d8c6ef580399a8b9b68fe
config: i386-debian-10.3 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/1e7a382c089da5714e4a9411765e84815cf550f9
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vinicius-Costa-Gomes/bpf-Fix-build-when-CONFIG_BPF_SYSCALL-is-disabled/20211110-090148
git checkout 1e7a382c089da5714e4a9411765e84815cf550f9
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
kernel/bpf/btf.c: In function 'btf_seq_show':
kernel/bpf/btf.c:5876:22: warning: function 'btf_seq_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
5876 | seq_vprintf((struct seq_file *)show->target, fmt, args);
| ^~~~~~~~
kernel/bpf/btf.c: In function 'btf_snprintf_show':
kernel/bpf/btf.c:5913:2: warning: function 'btf_snprintf_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
5913 | len = vsnprintf(show->target, ssnprintf->len_left, fmt, args);
| ^~~
kernel/bpf/btf.c: At top level:
>> kernel/bpf/btf.c:6370:9: error: variable 'bpf_tcp_ca_kfunc_list' has initializer but incomplete type
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: warning: excess elements in struct initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/mutex.h:109:3: error: extra brace group at end of initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/uapi/linux/btf.h:6,
from kernel/bpf/btf.c:4:
>> include/linux/types.h:170:24: error: extra brace group at end of initializer
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/types.h:170:24: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/mutex.h:109:3: warning: excess elements in struct initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'bpf_tcp_ca_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6370:9: error: variable 'prog_test_kfunc_list' has initializer but incomplete type
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'prog_test_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6370:55: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: warning: excess elements in struct initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'prog_test_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
kernel/bpf/btf.c:6370:36: note: in expansion of macro 'LIST_HEAD_INIT'
6370 | struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/mutex.h:109:3: error: extra brace group at end of initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'prog_test_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/uapi/linux/btf.h:6,
from kernel/bpf/btf.c:4:
>> include/linux/types.h:170:24: error: extra brace group at end of initializer
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/types.h:170:24: note: (near initialization for 'prog_test_kfunc_list')
170 | #define ATOMIC_INIT(i) { (i) }
| ^
include/linux/atomic/atomic-long.h:19:30: note: in expansion of macro 'ATOMIC_INIT'
19 | #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
| ^~~~~~~~~~~
include/linux/mutex.h:109:14: note: in expansion of macro 'ATOMIC_LONG_INIT'
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> include/linux/list.h:21:30: error: extra brace group at end of initializer
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:21:30: note: (near initialization for 'prog_test_kfunc_list')
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^
include/linux/mutex.h:111:18: note: in expansion of macro 'LIST_HEAD_INIT'
111 | , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:34: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6371:32: error: invalid use of undefined type 'struct kfunc_btf_id_list'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^
include/linux/list.h:21:43: note: in definition of macro 'LIST_HEAD_INIT'
21 | #define LIST_HEAD_INIT(name) { &(name), &(name) }
| ^~~~
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rhashtable-types.h:14,
from include/linux/ipc.h:7,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
include/linux/mutex.h:109:3: warning: excess elements in struct initializer
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:109:3: note: (near initialization for 'prog_test_kfunc_list')
109 | { .owner = ATOMIC_LONG_INIT(0) \
| ^
kernel/bpf/btf.c:6371:8: note: in expansion of macro '__MUTEX_INITIALIZER'
6371 | __MUTEX_INITIALIZER(name.mutex) }; \
| ^~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/linkage.h:7,
from include/linux/kernel.h:8,
from arch/x86/include/asm/percpu.h:27,
from arch/x86/include/asm/current.h:6,
from include/linux/sched.h:12,
from include/linux/ptrace.h:6,
from include/uapi/asm-generic/bpf_perf_event.h:4,
from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1,
from include/uapi/linux/bpf_perf_event.h:11,
from kernel/bpf/btf.c:6:
>> kernel/bpf/btf.c:6374:26: error: storage size of 'bpf_tcp_ca_kfunc_list' isn't known
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6374:26: error: storage size of 'bpf_tcp_ca_kfunc_list' isn't known
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6374:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6374 | DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6375:26: error: storage size of 'prog_test_kfunc_list' isn't known
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6375:26: error: storage size of 'prog_test_kfunc_list' isn't known
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
98 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:160:34: note: in expansion of macro '__EXPORT_SYMBOL'
160 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
| ^~~~~~~~~~~~~~~
include/linux/export.h:164:33: note: in expansion of macro '_EXPORT_SYMBOL'
164 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
| ^~~~~~~~~~~~~~
kernel/bpf/btf.c:6372:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
6372 | EXPORT_SYMBOL_GPL(name)
| ^~~~~~~~~~~~~~~~~
kernel/bpf/btf.c:6375:1: note: in expansion of macro 'DEFINE_KFUNC_BTF_ID_LIST'
6375 | DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
| ^~~~~~~~~~~~~~~~~~~~~~~~
vim +/bpf_tcp_ca_kfunc_list +6370 kernel/bpf/btf.c
14f267d95fe4b0 Kumar Kartikeya Dwivedi 2021-10-02 6368
14f267d95fe4b0 Kumar Kartikeya Dwivedi 2021-10-02 6369 #define DEFINE_KFUNC_BTF_ID_LIST(name) \
14f267d95fe4b0 Kumar Kartikeya Dwivedi 2021-10-02 @6370 struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \
14f267d95fe4b0 Kumar Kartikeya Dwivedi 2021-10-02 @6371 __MUTEX_INITIALIZER(name.mutex) }; \
14f267d95fe4b0 Kumar Kartikeya Dwivedi 2021-10-02 @6372 EXPORT_SYMBOL_GPL(name)
0e32dfc80bae53 Kumar Kartikeya Dwivedi 2021-10-02 6373
0e32dfc80bae53 Kumar Kartikeya Dwivedi 2021-10-02 @6374 DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
c48e51c8b07aba Kumar Kartikeya Dwivedi 2021-10-02 @6375 DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index dbc3ad07e21b..69dd2efd518f 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -6344,33 +6344,8 @@ const struct bpf_func_proto bpf_btf_find_by_name_kind_proto = { BTF_ID_LIST_GLOBAL_SINGLE(btf_task_struct_ids, struct, task_struct) -/* BTF ID set registration API for modules */ - -struct kfunc_btf_id_list { - struct list_head list; - struct mutex mutex; -}; - #ifdef CONFIG_DEBUG_INFO_BTF_MODULES -void register_kfunc_btf_id_set(struct kfunc_btf_id_list *l, - struct kfunc_btf_id_set *s) -{ - mutex_lock(&l->mutex); - list_add(&s->list, &l->list); - mutex_unlock(&l->mutex); -} -EXPORT_SYMBOL_GPL(register_kfunc_btf_id_set); - -void unregister_kfunc_btf_id_set(struct kfunc_btf_id_list *l, - struct kfunc_btf_id_set *s) -{ - mutex_lock(&l->mutex); - list_del_init(&s->list); - mutex_unlock(&l->mutex); -} -EXPORT_SYMBOL_GPL(unregister_kfunc_btf_id_set); - bool bpf_check_mod_kfunc_call(struct kfunc_btf_id_list *klist, u32 kfunc_id, struct module *owner) { diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 327e3996eadb..4b2ad0fa0a4f 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -2449,6 +2449,43 @@ int __weak bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t, DEFINE_STATIC_KEY_FALSE(bpf_stats_enabled_key); EXPORT_SYMBOL(bpf_stats_enabled_key); +/* BTF ID set registration API for modules */ + +struct kfunc_btf_id_list { + struct list_head list; + struct mutex mutex; +}; + +#ifdef CONFIG_DEBUG_INFO_BTF_MODULES + +void register_kfunc_btf_id_set(struct kfunc_btf_id_list *l, + struct kfunc_btf_id_set *s) +{ + mutex_lock(&l->mutex); + list_add(&s->list, &l->list); + mutex_unlock(&l->mutex); +} +EXPORT_SYMBOL_GPL(register_kfunc_btf_id_set); + +void unregister_kfunc_btf_id_set(struct kfunc_btf_id_list *l, + struct kfunc_btf_id_set *s) +{ + mutex_lock(&l->mutex); + list_del_init(&s->list); + mutex_unlock(&l->mutex); +} +EXPORT_SYMBOL_GPL(unregister_kfunc_btf_id_set); + +#endif + +#define DEFINE_KFUNC_BTF_ID_LIST(name) \ + struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list), \ + __MUTEX_INITIALIZER(name.mutex) }; \ + EXPORT_SYMBOL_GPL(name) + +DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list); +DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list); + /* All definitions of tracepoints related to BPF. */ #define CREATE_TRACE_POINTS #include <linux/bpf_trace.h>
When CONFIG_DEBUG_INFO_BTF is enabled and CONFIG_BPF_SYSCALL is disabled, the following compilation error can be seen: GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o AR init/built-in.a LD vmlinux.o MODPOST vmlinux.symvers MODINFO modules.builtin.modinfo GEN modules.builtin LD .tmp_vmlinux.btf ld: net/ipv4/tcp_cubic.o: in function `cubictcp_unregister': net/ipv4/tcp_cubic.c:545: undefined reference to `bpf_tcp_ca_kfunc_list' ld: net/ipv4/tcp_cubic.c:545: undefined reference to `unregister_kfunc_btf_id_set' ld: net/ipv4/tcp_cubic.o: in function `cubictcp_register': net/ipv4/tcp_cubic.c:539: undefined reference to `bpf_tcp_ca_kfunc_list' ld: net/ipv4/tcp_cubic.c:539: undefined reference to `register_kfunc_btf_id_set' BTF .btf.vmlinux.bin.o pahole: .tmp_vmlinux.btf: No such file or directory LD .tmp_vmlinux.kallsyms1 .btf.vmlinux.bin.o: file not recognized: file format not recognized make: *** [Makefile:1187: vmlinux] Error 1 'bpf_tcp_ca_kfunc_list', 'register_kfunc_btf_id_set()' and 'unregister_kfunc_btf_id_set()' are only defined when CONFIG_BPF_SYSCALL is enabled. Fix that by moving those definitions somewhere that doesn't depend on the bpf() syscall. Fixes: 14f267d95fe4 ("bpf: btf: Introduce helpers for dynamic BTF set registration") Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> --- This is RFC-ish as I don't know enough about BPF/BTF. I could be missing something. kernel/bpf/btf.c | 25 ------------------------- kernel/bpf/core.c | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+), 25 deletions(-)