✗ Fi.CI.CHECKPATCH: warning for hmm & mmu_notifier debug/lockdep annotations

Patchwork
2019-08-14T21:29:20Z

== Series Details ==

Series: hmm & mmu_notifier debug/lockdep annotations
URL : https://patchwork.freedesktop.org/series/65204/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
5a4f96d9f7a6 mm: Check if mmu notifier callbacks are allowed to fail
-:64: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter@ffwll.ch>'

total: 0 errors, 1 warnings, 0 checks, 8 lines checked
39d0c9af3003 kernel.h: Add non_block_start/end()
-:78: WARNING:SINGLE_STATEMENT_DO_WHILE_MACRO: Single statement macros should not use a do {} while (0) loop
#78: FILE: include/linux/kernel.h:238:
+# define non_block_start() \
+ do { current->non_block_count++; } while (0)

-:80: WARNING:SINGLE_STATEMENT_DO_WHILE_MACRO: Single statement macros should not use a do {} while (0) loop
#80: FILE: include/linux/kernel.h:240:
+# define non_block_end() \
+ do { WARN_ON(current->non_block_count-- == 0); } while (0)

-:127: WARNING:PREFER_PR_LEVEL: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(... to printk(KERN_ERR ...
#127: FILE: kernel/sched/core.c:3712:
+ printk(KERN_ERR "BUG: scheduling in a non-blocking section: %s/%d/%i\n",

-:128: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#128: FILE: kernel/sched/core.c:3713:
+ printk(KERN_ERR "BUG: scheduling in a non-blocking section: %s/%d/%i\n",
+ prev->comm, prev->pid, prev->non_block_count);

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

total: 0 errors, 4 warnings, 1 checks, 87 lines checked
dc71123d4109 mm, notifier: Catch sleeping/blocking for !blockable
-:57: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter@ffwll.ch>'

total: 0 errors, 1 warnings, 0 checks, 14 lines checked
e45141adafb7 mm, notifier: Add a lockdep map for invalidate_range_start
-:94: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter@ffwll.ch>'

total: 0 errors, 1 warnings, 0 checks, 35 lines checked
f19fc63b377a mm/hmm: WARN on illegal ->sync_cpu_device_pagetables errors
-:41: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter@ffwll.ch>'

total: 0 errors, 1 warnings, 0 checks, 9 lines checked

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