[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: use ref_tracker library for tracking wakerefs (rev3)

Patchwork patchwork at emeril.freedesktop.org
Mon Feb 21 23:46:31 UTC 2022


== Series Details ==

Series: drm/i915: use ref_tracker library for tracking wakerefs (rev3)
URL   : https://patchwork.freedesktop.org/series/100327/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
eec39ef01f2c ref_tracker: implement use-after-free detection
e7636c41be32 ref_tracker: add a count of untracked references
414f58d98e73 ref_tracker: remove filter_irq_stacks() call
5a389d9482be lib/ref_tracker: add unlocked leak print helper
-:6: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#6: 
To have reliable detection of leaks, caller must be able to check under the same

-:23: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#23: FILE: include/linux/ref_tracker.h:40:
+void __ref_tracker_dir_print(struct ref_tracker_dir *dir,
+			   unsigned int display_limit);

-:49: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#49: FILE: lib/ref_tracker.c:18:
+void __ref_tracker_dir_print(struct ref_tracker_dir *dir,
+			   unsigned int display_limit)

total: 0 errors, 1 warnings, 2 checks, 105 lines checked
36bd9e9d6260 lib/ref_tracker: __ref_tracker_dir_print improve printing
-:37: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#37: FILE: include/linux/ref_tracker.h:31:
+static inline void __ref_tracker_dir_init(struct ref_tracker_dir *dir,
+					unsigned int quarantine_count,

-:46: WARNING:STRLCPY: Prefer strscpy over strlcpy - see: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
#46: FILE: include/linux/ref_tracker.h:41:
+	strlcpy(dir->name, name, sizeof(dir->name));

-:140: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#140: FILE: lib/ref_tracker.c:66:
+void __ref_tracker_dir_print(struct ref_tracker_dir *dir,
+			   unsigned int display_limit)

total: 0 errors, 1 warnings, 2 checks, 151 lines checked
bd88fd5cf435 lib/ref_tracker: add printing to memory buffer
-:52: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'fmt' - possible side-effects?
#52: FILE: lib/ref_tracker.c:70:
+#define pr_ostream(stream, fmt, args...) \
+({ \
+	struct ostream *_s = (stream); \
+\
+	if (!_s->buf) { \
+		pr_err(fmt, ##args); \
+	} else { \
+		int ret, len = _s->size - _s->used; \
+		ret = snprintf(_s->buf + _s->used, len, pr_fmt(fmt), ##args); \
+		_s->used += min(ret, len); \
+	} \
+})

-:105: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#105: FILE: lib/ref_tracker.c:125:
+void __ref_tracker_dir_print(struct ref_tracker_dir *dir,
+			   unsigned int display_limit)

total: 0 errors, 0 warnings, 2 checks, 109 lines checked
359c7ae0d260 lib/ref_tracker: remove warnings in case of allocation failure
e1a8bc8a2d3a drm/i915: Separate wakeref tracking
-:7: WARNING:REPEATED_WORD: Possible repeated word: 'that'
#7: 
utility so that that we can reuse it for other online debugging of

-:453: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#453: 
new file mode 100644

-:710: WARNING:NEW_TYPEDEFS: do not add new typedefs
#710: FILE: drivers/gpu/drm/i915/intel_wakeref_tracker.h:13:
+typedef depot_stack_handle_t intel_wakeref_t;

-:715: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
#715: FILE: drivers/gpu/drm/i915/intel_wakeref_tracker.h:18:
+	spinlock_t lock;

-:731: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#731: FILE: drivers/gpu/drm/i915/intel_wakeref_tracker.h:34:
+void intel_wakeref_tracker_remove(struct intel_wakeref_tracker *w,
+			   intel_wakeref_t handle);

-:768: WARNING:LONG_LINE: line length of 112 exceeds 100 columns
#768: FILE: drivers/gpu/drm/i915/intel_wakeref_tracker.h:71:
+static inline void __intel_wakeref_tracker_show(const struct intel_wakeref_tracker *w, struct drm_printer *p) {}

-:769: WARNING:LONG_LINE: line length of 104 exceeds 100 columns
#769: FILE: drivers/gpu/drm/i915/intel_wakeref_tracker.h:72:
+static inline void intel_wakeref_tracker_show(struct intel_wakeref_tracker *w, struct drm_printer *p) {}

-:773: WARNING:FROM_SIGN_OFF_MISMATCH: From:/Signed-off-by: email address mismatch: 'From: Chris Wilson <chris.p.wilson at intel.com>' != 'Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>'

total: 0 errors, 6 warnings, 2 checks, 713 lines checked
29a2d4b63b37 drm/i915: Track leaked gt->wakerefs
-:450: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'gt' - possible side-effects?
#450: FILE: drivers/gpu/drm/i915/gt/intel_gt_pm.h:75:
+#define with_intel_gt_pm(gt, wf) \
+	for (wf = intel_gt_pm_get(gt); wf; intel_gt_pm_put(gt, wf), wf = 0)

-:450: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'wf' - possible side-effects?
#450: FILE: drivers/gpu/drm/i915/gt/intel_gt_pm.h:75:
+#define with_intel_gt_pm(gt, wf) \
+	for (wf = intel_gt_pm_get(gt); wf; intel_gt_pm_put(gt, wf), wf = 0)

-:798: ERROR:ASSIGN_IN_IF: do not use assignment in if condition
#798: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1280:
+	if (!in_reset && (wakeref = intel_gt_pm_get_if_awake(gt))) {

total: 1 errors, 0 warnings, 2 checks, 775 lines checked
fdce0e9f8058 drm/i915: Correct type of wakeref variable
79bf0307dd7d drm/i915: replace Intel internal tracker with kernel core ref_tracker
-:254: WARNING:NEW_TYPEDEFS: do not add new typedefs
#254: FILE: drivers/gpu/drm/i915/intel_wakeref.h:24:
+typedef unsigned long intel_wakeref_t;

-:357: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#357: 
deleted file mode 100644

total: 0 errors, 2 warnings, 0 checks, 286 lines checked




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