[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/4] mm: Check if mmu notifier callbacks are allowed to fail (rev2)

[Patchwork]

== Series Details ==

Series: series starting with [1/4] mm: Check if mmu notifier callbacks are allowed to fail (rev2)
URL   : https://patchwork.freedesktop.org/series/60874/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
b2f1812e79cc mm: Check if mmu notifier callbacks are allowed to fail
-:62: 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, 9 lines checked
936dc2598132 kernel.h: Add non_block_start/end()
-:77: WARNING:SINGLE_STATEMENT_DO_WHILE_MACRO: Single statement macros should not use a do {} while (0) loop
#77: FILE: include/linux/kernel.h:235:
+# define non_block_start() \
+	do { current->non_block_count++; } while (0)

-:79: WARNING:SINGLE_STATEMENT_DO_WHILE_MACRO: Single statement macros should not use a do {} while (0) loop
#79: FILE: include/linux/kernel.h:237:
+# define non_block_end() \
+	do { WARN_ON(current->non_block_count-- == 0); } while (0)

-:126: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
#126: FILE: kernel/sched/core.c:3276:
+		printk(KERN_ERR "BUG: scheduling in a non-blocking section: %s/%d/%i\n",

-:127: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#127: FILE: kernel/sched/core.c:3277:
+		printk(KERN_ERR "BUG: scheduling in a non-blocking section: %s/%d/%i\n",
+			prev->comm, prev->pid, prev->non_block_count);

-:164: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'

total: 0 errors, 4 warnings, 1 checks, 87 lines checked
dc416a4cf4e5 mm, notifier: Catch sleeping/blocking for !blockable
-:56: 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
1cb5f3d169c7 mm, notifier: Add a lockdep map for invalidate_range_start
-:93: 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, 35 lines checked