✗ CI.checkpatch: warning for xe bo shrinker and exhaustive eviction (rev3)

[Patchwork]

== Series Details ==

Series: xe bo shrinker and exhaustive eviction (rev3)
URL   : https://patchwork.freedesktop.org/series/133643/
State : warning

== Summary ==

+ KERNEL=/kernel
+ git clone https://gitlab.freedesktop.org/drm/maintainer-tools mt
Cloning into 'mt'...
warning: redirecting to https://gitlab.freedesktop.org/drm/maintainer-tools.git/
+ git -C mt rev-list -n1 origin/master
57b97a66dd129aea93991dc66cd10477f7a05cf8
+ cd /kernel
+ git config --global --add safe.directory /kernel
+ git log -n1
commit 1e1640bbe371a93de3073dda07ecb665dea1c51f
Author: Thomas Hellström <thomas.hellstrom at linux.intel.com>
Date:   Thu May 16 08:44:09 2024 +0200

    drm/xe: Initial support for drm exec locking during validate.
    
    Signed-off-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
+ /mt/dim checkpatch 220fb645d6cd4ce4155b5ccfdf52b35d6a7942c3 drm-intel
27acc2083fb8 drm/ttm: Allow TTM LRU list nodes of different types
70d8a80369b4 drm/ttm: Slightly clean up LRU list iteration
186ae11b6763 drm/ttm: Use LRU hitches
ed6090e548fe drm/ttm, drm/amdgpu, drm/xe: Consider hitch moves within bulk sublist moves
ce01a671e3ae drm/exec: Rework contended locking
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

-:436: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'exec' - possible side-effects?
#436: FILE: include/drm/drm_exec.h:122:
+#define drm_exec_retry_on_contention(exec, _ret)		\
+	({							\
+		int __ret = (_ret);				\
+								\
+		if (unlikely(drm_exec_is_contended(exec))) {		\
+			WARN_ON(__ret != -EDEADLK);			\
+			__ret = drm_exec_handle_contended(exec);	\
+			if (!__ret)					\
+				goto *__drm_exec_retry_ptr;		\
+		}							\
+		__ret;						\
+	})

-:436: WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#436: FILE: include/drm/drm_exec.h:122:
+#define drm_exec_retry_on_contention(exec, _ret)		\
+	({							\
+		int __ret = (_ret);				\
+								\
+		if (unlikely(drm_exec_is_contended(exec))) {		\
+			WARN_ON(__ret != -EDEADLK);			\
+			__ret = drm_exec_handle_contended(exec);	\
+			if (!__ret)					\
+				goto *__drm_exec_retry_ptr;		\
+		}							\
+		__ret;						\
+	})

total: 0 errors, 2 warnings, 1 checks, 356 lines checked
35802f8f7e9b drm/ttm: Provide a generic LRU walker helper
5c9c507aa2d8 drm/ttm: Use restartable LRU and sleeping locks for swapping.
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 184 lines checked
155e1484f104 drm/ttm: sleeping evict lock.
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 443 lines checked
720f4f49d967 drm/ttm: Add a virtual base class for graphics memory backup
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:41: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#41: 
new file mode 100644

total: 0 errors, 1 warnings, 0 checks, 281 lines checked
40fdaccdad4b drm/ttm/pool: Provide a helper to shrink pages.
4d4e39087c79 drm/ttm: Use fault-injection to test error paths
-:27: WARNING:CONFIG_DESCRIPTION: please write a help paragraph that fully describes the config symbol
#27: FILE: drivers/gpu/drm/Kconfig:261:
+config DRM_TTM_BACKUP_FAULT_INJECT
+	bool "Enable fault injection during TTM backup"
+	depends on DRM_TTM
+	default n
+	help
+	  Inject recoverable failures during TTM backup and recovery of
+	  backed-up objects. For DRM driver developers only.
+
+	  If in doubt, choose N.
+

total: 0 errors, 1 warnings, 0 checks, 51 lines checked
479722a36387 drm/ttm, drm/xe: Add a shrinker for xe bos
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:616: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#616: 
new file mode 100644

total: 0 errors, 1 warnings, 0 checks, 781 lines checked
b5961624445a dma-buf/dma-resv: Introduce dma_resv_trylock_ctx()
b95dc6018fe5 drm/exec: drm_exec_trylock()
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 51 lines checked
63daf836316f drm/exec: Add a snapshot capability.
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 83 lines checked
7871891b04f3 drm/exec: Introduce an evict mode
213ef833c1bd drm/ttm: Support drm_exec locking for eviction and swapping
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 202 lines checked
edec8c35c136 drm/ttm: Convert ttm vm to using drm_exec.
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 302 lines checked
27e80221cf4e drm/xe: Use drm_exec for fault locking
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 60 lines checked
d7f4b43b1d8b drm/ttm: Use drm_exec_trylock for bo initialization
1e1640bbe371 drm/xe: Initial support for drm exec locking during validate.
-:10: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 142 lines checked