[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with locking/lockdep: restore cross-release checks (rev3)
Patchwork
patchwork at emeril.freedesktop.org
Tue Nov 6 15:50:44 UTC 2018
== Series Details ==
Series: series starting with locking/lockdep: restore cross-release checks (rev3)
URL : https://patchwork.freedesktop.org/series/51923/
State : warning
== Summary ==
$ dim checkpatch origin/drm-tip
8236b690a94e locking/lockdep: restore cross-release checks
-:9: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#9:
commit dba04eb76df9 ("locking/Documentation: Remove stale crossrelease_fullstack parameter")
-:69: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#69:
new file mode 100644
-:645: WARNING:TYPO_SPELLING: 'prefered' may be misspelled - perhaps 'preferred'?
#645: FILE: Documentation/locking/crossrelease.txt:572:
+deadlock or its possibility sooner. So the former way would be prefered
-:817: WARNING:TYPO_SPELLING: 'implmentation' may be misspelled - perhaps 'implementation'?
#817: FILE: Documentation/locking/crossrelease.txt:744:
+like how lockdep handles held_locks. Lockless implmentation is important
-:840: WARNING:TYPO_SPELLING: 'occured' may be misspelled - perhaps 'occurred'?
#840: FILE: Documentation/locking/crossrelease.txt:767:
+that it has not occured yet, lockdep should consider all possible
-:987: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'x' - possible side-effects?
#987: FILE: include/linux/completion.h:53:
+#define init_completion_map(x, m) \
+do { \
+ lockdep_init_map_crosslock((struct lockdep_map *)&(x)->map, \
+ (m)->name, (m)->key, 0); \
+ __init_completion(x); \
+} while (0)
-:987: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'm' - possible side-effects?
#987: FILE: include/linux/completion.h:53:
+#define init_completion_map(x, m) \
+do { \
+ lockdep_init_map_crosslock((struct lockdep_map *)&(x)->map, \
+ (m)->name, (m)->key, 0); \
+ __init_completion(x); \
+} while (0)
-:994: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'x' - possible side-effects?
#994: FILE: include/linux/completion.h:60:
+#define init_completion(x) \
+do { \
+ static struct lock_class_key __key; \
+ lockdep_init_map_crosslock((struct lockdep_map *)&(x)->map, \
+ "(completion)" #x, \
+ &__key, 0); \
+ __init_completion(x); \
+} while (0)
-:1011: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'work' - possible side-effects?
#1011: FILE: include/linux/completion.h:77:
+#define COMPLETION_INITIALIZER(work) \
+ { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait), \
+ STATIC_CROSS_LOCKDEP_MAP_INIT("(completion)" #work, &(work)) }
-:1109: WARNING:TYPO_SPELLING: 'Seperate' may be misspelled - perhaps 'Separate'?
#1109: FILE: include/linux/lockdep.h:305:
+ * Seperate stack_trace data. This will be used at commit step.
-:1115: WARNING:TYPO_SPELLING: 'Seperate' may be misspelled - perhaps 'Separate'?
#1115: FILE: include/linux/lockdep.h:311:
+ * Seperate hlock instance. This will be used at commit step.
-:1143: WARNING:TYPO_SPELLING: 'Seperate' may be misspelled - perhaps 'Separate'?
#1143: FILE: include/linux/lockdep.h:339:
+ * Seperate hlock instance. This will be used at commit step.
-:1166: CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#1166: FILE: include/linux/lockdep.h:556:
+extern void lockdep_init_map_crosslock(struct lockdep_map *lock,
-:1170: CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#1170: FILE: include/linux/lockdep.h:560:
+extern void lock_commit_crosslock(struct lockdep_map *lock);
-:1190: CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#1190: FILE: include/linux/lockdep.h:580:
+extern void crossrelease_hist_start(enum xhlock_context_t c);
-:1191: CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#1191: FILE: include/linux/lockdep.h:581:
+extern void crossrelease_hist_end(enum xhlock_context_t c);
-:1192: CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#1192: FILE: include/linux/lockdep.h:582:
+extern void lockdep_invariant_state(bool force);
-:1193: CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#1193: FILE: include/linux/lockdep.h:583:
+extern void lockdep_init_task(struct task_struct *task);
-:1194: CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#1194: FILE: include/linux/lockdep.h:584:
+extern void lockdep_free_task(struct task_struct *task);
-:1309: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1309: FILE: kernel/locking/lockdep.c:1158:
+ printk(" Possible unsafe locking scenario by crosslock:\n\n");
-:1310: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1310: FILE: kernel/locking/lockdep.c:1159:
+ printk(" CPU0 CPU1\n");
-:1311: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1311: FILE: kernel/locking/lockdep.c:1160:
+ printk(" ---- ----\n");
-:1312: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1312: FILE: kernel/locking/lockdep.c:1161:
+ printk(" lock(");
-:1314: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1314: FILE: kernel/locking/lockdep.c:1163:
+ printk(KERN_CONT ");\n");
-:1314: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1314: FILE: kernel/locking/lockdep.c:1163:
+ printk(KERN_CONT ");\n");
-:1315: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1315: FILE: kernel/locking/lockdep.c:1164:
+ printk(" lock(");
-:1317: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1317: FILE: kernel/locking/lockdep.c:1166:
+ printk(KERN_CONT ");\n");
-:1317: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1317: FILE: kernel/locking/lockdep.c:1166:
+ printk(KERN_CONT ");\n");
-:1318: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1318: FILE: kernel/locking/lockdep.c:1167:
+ printk(" lock(");
-:1320: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1320: FILE: kernel/locking/lockdep.c:1169:
+ printk(KERN_CONT ");\n");
-:1320: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1320: FILE: kernel/locking/lockdep.c:1169:
+ printk(KERN_CONT ");\n");
-:1321: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1321: FILE: kernel/locking/lockdep.c:1170:
+ printk(" unlock(");
-:1323: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1323: FILE: kernel/locking/lockdep.c:1172:
+ printk(KERN_CONT ");\n");
-:1323: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1323: FILE: kernel/locking/lockdep.c:1172:
+ printk(KERN_CONT ");\n");
-:1324: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1324: FILE: kernel/locking/lockdep.c:1173:
+ printk("\n *** DEADLOCK ***\n\n");
-:1326: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1326: FILE: kernel/locking/lockdep.c:1175:
+ printk(" Possible unsafe locking scenario:\n\n");
-:1327: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1327: FILE: kernel/locking/lockdep.c:1176:
+ printk(" CPU0 CPU1\n");
-:1328: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1328: FILE: kernel/locking/lockdep.c:1177:
+ printk(" ---- ----\n");
-:1329: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1329: FILE: kernel/locking/lockdep.c:1178:
+ printk(" lock(");
-:1331: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1331: FILE: kernel/locking/lockdep.c:1180:
+ printk(KERN_CONT ");\n");
-:1331: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1331: FILE: kernel/locking/lockdep.c:1180:
+ printk(KERN_CONT ");\n");
-:1332: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1332: FILE: kernel/locking/lockdep.c:1181:
+ printk(" lock(");
-:1334: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1334: FILE: kernel/locking/lockdep.c:1183:
+ printk(KERN_CONT ");\n");
-:1334: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1334: FILE: kernel/locking/lockdep.c:1183:
+ printk(KERN_CONT ");\n");
-:1335: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1335: FILE: kernel/locking/lockdep.c:1184:
+ printk(" lock(");
-:1337: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1337: FILE: kernel/locking/lockdep.c:1186:
+ printk(KERN_CONT ");\n");
-:1337: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1337: FILE: kernel/locking/lockdep.c:1186:
+ printk(KERN_CONT ");\n");
-:1338: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1338: FILE: kernel/locking/lockdep.c:1187:
+ printk(" lock(");
-:1340: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ...
#1340: FILE: kernel/locking/lockdep.c:1189:
+ printk(KERN_CONT ");\n");
-:1340: WARNING:LOGGING_CONTINUATION: Avoid logging continuation uses where feasible
#1340: FILE: kernel/locking/lockdep.c:1189:
+ printk(KERN_CONT ");\n");
-:1341: WARNING:PRINTK_WITHOUT_KERN_LEVEL: printk() should include KERN_<LEVEL> facility level
#1341: FILE: kernel/locking/lockdep.c:1190:
+ printk("\n *** DEADLOCK ***\n\n");
-:1477: CHECK:SPACING: spaces preferred around that '-' (ctx:WxV)
#1477: FILE: kernel/locking/lockdep.c:2260:
+ chain_hlocks[chain->base + 1] = next -1;
^
-:1483: CHECK:BRACES: Unbalanced braces around else statement
#1483: FILE: kernel/locking/lockdep.c:2266:
+ else {
-:1514: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#1514: FILE: kernel/locking/lockdep.c:3289:
+void lockdep_init_map_crosslock(struct lockdep_map *lock, const char *name,
+ struct lock_class_key *key, int subclass)
-:1899: CHECK:SPACING: spaces preferred around that '-' (ctx:VxV)
#1899: FILE: kernel/locking/lockdep.c:4959:
+ if (nr_stack_trace_entries >= MAX_STACK_TRACE_ENTRIES-1) {
^
-:1926: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#1926: FILE: kernel/locking/lockdep.c:4986:
+ if (!add_chain_cache_classes(xid, pid, xhlock->hlock.irq_context,
+ chain_key))
-:2061: CHECK:ALLOC_SIZEOF_STRUCT: Prefer kzalloc(sizeof(*task->xhlocks)...) over kzalloc(sizeof(struct hist_lock)...)
#2061: FILE: kernel/locking/lockdep.c:5121:
+ task->xhlocks = kzalloc(sizeof(struct hist_lock) * MAX_XHLOCKS_NR,
-:2069: WARNING:TYPO_SPELLING: 'Diable' may be misspelled - perhaps 'Disable'?
#2069: FILE: kernel/locking/lockdep.c:5129:
+ /* Diable crossrelease for current */
-:2141: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 42 warnings, 17 checks, 2023 lines checked
afcdf6b27fd4 kthread: finer-grained lockdep/cross-release completion
-:49: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#49: FILE: include/linux/kthread.h:11:
+struct task_struct *_kthread_create_on_node(int (*threadfn)(void *data),
void *data,
-:70: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#70: FILE: include/linux/kthread.h:39:
+struct task_struct *_kthread_create_on_cpu(int (*threadfn)(void *data),
void *data,
-:108: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#108: FILE: include/linux/kthread.h:206:
+_kthread_create_worker_on_cpu(int cpu, unsigned int flags,
+ struct lock_class_key *exited_key,
-:139: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#139: FILE: kernel/kthread.c:234:
+ lockdep_init_map_crosslock(&self->exited.map.map,
+ "(kthread completion)->exited",
-:139: WARNING:EMBEDDED_FUNCTION_NAME: Prefer using '"%s...", __func__' to using 'kthread', this function's name, in a string
#139: FILE: kernel/kthread.c:234:
+ "(kthread completion)->exited",
-:143: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#143: FILE: kernel/kthread.c:238:
+ lockdep_init_map_crosslock(&self->parked.map.map,
+ "(kthread completion)->parked",
-:143: WARNING:EMBEDDED_FUNCTION_NAME: Prefer using '"%s...", __func__' to using 'kthread', this function's name, in a string
#143: FILE: kernel/kthread.c:238:
+ "(kthread completion)->parked",
-:209: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#209: FILE: kernel/kthread.c:454:
+struct task_struct *_kthread_create_on_cpu(int (*threadfn)(void *data),
void *data, unsigned int cpu,
-:297: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 3 warnings, 6 checks, 240 lines checked
f22f9b50acb9 lockdep: Remove GFP_NOLOCKDEP annotation
-:6: ERROR:GIT_COMMIT_ID: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 7e7844226f10 ("lockdep: allow to disable reclaim lockup detection")'
#6:
This was originally added in 7e7844226f10 ("lockdep: allow to disable
-:70: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 1 errors, 1 warnings, 0 checks, 32 lines checked
1e6a69b82bb7 kernel/lockdep: Make cross-release a config option
-:74: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 1 warnings, 0 checks, 42 lines checked
f346774550fb mm: Check if mmu notifier callbacks are allowed to fail
-:31: ERROR:SPACING: space required after that ',' (ctx:VxV)
#31: FILE: mm/mmu_notifier.c:193:
+ WARN(blockable,"%pS callback failure not allowed\n",
^
-:35: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 1 errors, 1 warnings, 0 checks, 8 lines checked
a156b1095372 mm, notifier: Catch sleeping/blocking for !blockable
-:44: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 1 warnings, 0 checks, 14 lines checked
c83af5577f98 mm, notifier: Add a lockdep map for invalidate_range_start
-:85: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 1 warnings, 0 checks, 34 lines checked
8900507a5a3c dma-fence: cross-release annotations
-:40: CHECK:LINE_SPACING: Please don't use multiple blank lines
#40: FILE: drivers/dma-buf/dma-fence.c:33:
+
-:100: CHECK:LINE_SPACING: Please use a blank line after function/struct/union/enum declarations
#100: FILE: include/linux/dma-fence.h:45:
+}
+static inline void dma_fence_wait_release(void)
-:104: CHECK:LINE_SPACING: Please use a blank line after function/struct/union/enum declarations
#104: FILE: include/linux/dma-fence.h:49:
+}
+static inline void dma_fence_wait_release_commit(void)
-:122: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 1 warnings, 3 checks, 78 lines checked
0ac294b32321 reservation: Annotate dma_fence waits
f2202d11beed drm/i915: Annotate dma_fence waits
-:14: WARNING:TYPO_SPELLING: 'doesnt' may be misspelled - perhaps 'doesn't'?
#14:
creating a dma_fence_signal_opportunistic, which doesnt have the
-:73: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 2 warnings, 0 checks, 39 lines checked
e29afdbed41f drm/i915: annotate intel_atomic_commit_fence_wait
-:66: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 1 warnings, 0 checks, 14 lines checked
0913556fbd7a HAX FOR CI: Enable cross-release
-:22: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'
total: 0 errors, 1 warnings, 0 checks, 7 lines checked
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