* Re: [PATCH v1 net-next 07/16] af_unix: Detect Strongly Connected Components.
[not found] <20240203030058.60750-8-kuniyu@amazon.com>
@ 2024-02-03 19:59 ` kernel test robot
2024-02-03 21:36 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2024-02-03 19:59 UTC (permalink / raw)
To: Kuniyuki Iwashima, David S. Miller, Eric Dumazet, Jakub Kicinski,
Paolo Abeni
Cc: llvm, oe-kbuild-all, netdev, Kuniyuki Iwashima
Hi Kuniyuki,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/af_unix-Add-struct-unix_vertex-in-struct-unix_sock/20240203-110847
base: net-next/main
patch link: https://lore.kernel.org/r/20240203030058.60750-8-kuniyu%40amazon.com
patch subject: [PATCH v1 net-next 07/16] af_unix: Detect Strongly Connected Components.
config: x86_64-rhel-8.3-bpf (https://download.01.org/0day-ci/archive/20240204/202402040348.uejoTcrq-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402040348.uejoTcrq-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402040348.uejoTcrq-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> net/unix/garbage.c:257:2: warning: label at end of compound statement is a C2x extension [-Wc2x-extensions]
257 | }
| ^
1 warning generated.
vim +257 net/unix/garbage.c
227
228 static void __unix_walk_scc(struct unix_vertex *vertex)
229 {
230 unsigned long index = UNIX_VERTEX_INDEX_START;
231 LIST_HEAD(vertex_stack);
232 struct unix_edge *edge;
233 LIST_HEAD(edge_stack);
234
235 next_vertex:
236 vertex->index = index;
237 vertex->lowlink = index;
238 index++;
239
240 vertex->on_stack = true;
241 list_move(&vertex->scc_entry, &vertex_stack);
242
243 list_for_each_entry(edge, &vertex->edges, entry) {
244 if (!edge->successor->out_degree)
245 continue;
246
247 if (edge->successor->index == UNIX_VERTEX_INDEX_UNVISITED) {
248 list_add(&edge->stack_entry, &edge_stack);
249
250 vertex = edge->successor;
251 goto next_vertex;
252 }
253
254 if (edge->successor->on_stack)
255 vertex->lowlink = min(vertex->lowlink, edge->successor->index);
256 next_edge:
> 257 }
258
259 if (vertex->index == vertex->lowlink) {
260 LIST_HEAD(scc);
261
262 list_cut_position(&scc, &vertex_stack, &vertex->scc_entry);
263
264 list_for_each_entry_reverse(vertex, &scc, scc_entry) {
265 list_move_tail(&vertex->entry, &unix_visited_vertices);
266
267 vertex->on_stack = false;
268 }
269
270 list_del(&scc);
271 }
272
273 if (!list_empty(&edge_stack)) {
274 edge = list_first_entry(&edge_stack, typeof(*edge), stack_entry);
275 list_del_init(&edge->stack_entry);
276
277 vertex = edge->predecessor;
278 vertex->lowlink = min(vertex->lowlink, edge->successor->lowlink);
279 goto next_edge;
280 }
281 }
282
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH v1 net-next 07/16] af_unix: Detect Strongly Connected Components.
[not found] <20240203030058.60750-8-kuniyu@amazon.com>
2024-02-03 19:59 ` [PATCH v1 net-next 07/16] af_unix: Detect Strongly Connected Components kernel test robot
@ 2024-02-03 21:36 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2024-02-03 21:36 UTC (permalink / raw)
To: Kuniyuki Iwashima, David S. Miller, Eric Dumazet, Jakub Kicinski,
Paolo Abeni
Cc: llvm, oe-kbuild-all, netdev, Kuniyuki Iwashima
Hi Kuniyuki,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/af_unix-Add-struct-unix_vertex-in-struct-unix_sock/20240203-110847
base: net-next/main
patch link: https://lore.kernel.org/r/20240203030058.60750-8-kuniyu%40amazon.com
patch subject: [PATCH v1 net-next 07/16] af_unix: Detect Strongly Connected Components.
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240204/202402040541.rLg7ze2a-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7dd790db8b77c4a833c06632e903dc4f13877a64)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402040541.rLg7ze2a-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402040541.rLg7ze2a-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> net/unix/garbage.c:257:2: warning: label at end of compound statement is a C23 extension [-Wc23-extensions]
257 | }
| ^
1 warning generated.
vim +257 net/unix/garbage.c
227
228 static void __unix_walk_scc(struct unix_vertex *vertex)
229 {
230 unsigned long index = UNIX_VERTEX_INDEX_START;
231 LIST_HEAD(vertex_stack);
232 struct unix_edge *edge;
233 LIST_HEAD(edge_stack);
234
235 next_vertex:
236 vertex->index = index;
237 vertex->lowlink = index;
238 index++;
239
240 vertex->on_stack = true;
241 list_move(&vertex->scc_entry, &vertex_stack);
242
243 list_for_each_entry(edge, &vertex->edges, entry) {
244 if (!edge->successor->out_degree)
245 continue;
246
247 if (edge->successor->index == UNIX_VERTEX_INDEX_UNVISITED) {
248 list_add(&edge->stack_entry, &edge_stack);
249
250 vertex = edge->successor;
251 goto next_vertex;
252 }
253
254 if (edge->successor->on_stack)
255 vertex->lowlink = min(vertex->lowlink, edge->successor->index);
256 next_edge:
> 257 }
258
259 if (vertex->index == vertex->lowlink) {
260 LIST_HEAD(scc);
261
262 list_cut_position(&scc, &vertex_stack, &vertex->scc_entry);
263
264 list_for_each_entry_reverse(vertex, &scc, scc_entry) {
265 list_move_tail(&vertex->entry, &unix_visited_vertices);
266
267 vertex->on_stack = false;
268 }
269
270 list_del(&scc);
271 }
272
273 if (!list_empty(&edge_stack)) {
274 edge = list_first_entry(&edge_stack, typeof(*edge), stack_entry);
275 list_del_init(&edge->stack_entry);
276
277 vertex = edge->predecessor;
278 vertex->lowlink = min(vertex->lowlink, edge->successor->lowlink);
279 goto next_edge;
280 }
281 }
282
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread