[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/3] drm/i915: Switch obj->mm.lock lockdep annotations on its head

[Patchwork]

== Series Details ==

Series: series starting with [1/3] drm/i915: Switch obj->mm.lock lockdep annotations on its head
URL   : https://patchwork.freedesktop.org/series/65467/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
ed358b6f33d9 drm/i915: Switch obj->mm.lock lockdep annotations on its head
-:92: CHECK:LINE_SPACING: Please don't use multiple blank lines
#92: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.c:64:
+
+

-:117: WARNING:BLOCK_COMMENT_STYLE: Block comments use a trailing */ on a separate line
#117: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.h:287:
+	 * struct_mutex in the entire system. */

-:307: 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, 1 checks, 189 lines checked
63b3507736fa lockdep: add might_lock_nested()
-:23: WARNING:SPACE_BEFORE_TAB: please, no space before tabs
#23: FILE: include/linux/lockdep.h:634:
+# define might_lock_nested(lock, subclass) ^I^I^I^I\$

-:23: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'lock' - possible side-effects?
#23: FILE: include/linux/lockdep.h:634:
+# define might_lock_nested(lock, subclass) 				\
+do {									\
+	typecheck(struct lockdep_map *, &(lock)->dep_map);		\
+	lock_acquire(&(lock)->dep_map, subclass, 0, 1, 1, NULL,		\
+		     _THIS_IP_);					\
+	lock_release(&(lock)->dep_map, 0, _THIS_IP_);		\
+} while (0)

-:40: 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, 1 checks, 20 lines checked
c878b5d1d875 drm/i915: use might_lock_nested in get_pages annotation
-:37: WARNING:BLOCK_COMMENT_STYLE: Block comments use a trailing */ on a separate line
#37: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.h:241:
+	 * struct_mutex in the entire system. */

-:78: 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, 49 lines checked