From: Randy Dunlap <[email protected]>

Drop all context analysis and lock (tracking) attributes to avoid
kernel-doc warnings.

Documentation/core-api/kref:328: ../include/linux/kref.h:72: WARNING: Invalid C 
declaration: Expected end of definition. [error at 96]
  int kref_put_mutex (struct kref *kref, void (*release)(struct kref *kref), 
struct mutex *mutex) __cond_acquires(true# mutex)
  
------------------------------------------------------------------------------------------------^
Documentation/core-api/kref:328: ../include/linux/kref.h:94: WARNING: Invalid C 
declaration: Expected end of definition. [error at 92]
  int kref_put_lock (struct kref *kref, void (*release)(struct kref *kref), 
spinlock_t *lock) __cond_acquires(true# lock)
  
--------------------------------------------------------------------------------------------^

The regex is suggested by Mauro; mine was too greedy. Thanks.
Updated context analysis and lock macros list provided by PeterZ. Thanks.

Reported-by: Stephen Rothwell <[email protected]>
Closes: https://lore.kernel.org/all/[email protected]/
Signed-off-by: Randy Dunlap <[email protected]>
Reviewed-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
---
 tools/lib/python/kdoc/kdoc_parser.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tools/lib/python/kdoc/kdoc_parser.py 
b/tools/lib/python/kdoc/kdoc_parser.py
index 21cc4e19a1e8..92b550189988 100644
--- a/tools/lib/python/kdoc/kdoc_parser.py
+++ b/tools/lib/python/kdoc/kdoc_parser.py
@@ -81,6 +81,8 @@ struct_xforms = [
     (KernRe(r'\s*__aligned\s*\([^;]*\)', re.S), ' '),
     (KernRe(r'\s*__counted_by\s*\([^;]*\)', re.S), ' '),
     (KernRe(r'\s*__counted_by_(le|be)\s*\([^;]*\)', re.S), ' '),
+    (KernRe(r'\s*__guarded_by\s*\([^\)]*\)', re.S), ' '),
+    (KernRe(r'\s*__pt_guarded_by\s*\([^\)]*\)', re.S), ' '),
     (KernRe(r'\s*__packed\s*', re.S), ' '),
     (KernRe(r'\s*CRYPTO_MINALIGN_ATTR', re.S), ' '),
     (KernRe(r'\s*__private', re.S), ' '),
@@ -165,6 +167,16 @@ struct_nested_prefixes = [
 # the start delimiter.
 #
 function_nested_prefixes = [
+    (re.compile(r"__cond_acquires\s*\("), ""),
+    (re.compile(r"__cond_releases\s*\("), ""),
+    (re.compile(r"__acquires\s*\("), ""),
+    (re.compile(r"__releases\s*\("), ""),
+    (re.compile(r"__must_hold\s*\("), ""),
+    (re.compile(r"__must_not_hold\s*\("), ""),
+    (re.compile(r"__must_hold_shared\s*\("), ""),
+    (re.compile(r"__cond_acquires_shared\s*\("), ""),
+    (re.compile(r"__acquires_shared\s*\("), ""),
+    (re.compile(r"__releases_shared\s*\("), ""),
     (re.compile(r"__attribute__\s*\("), ""),
 ]
 
@@ -195,6 +207,7 @@ function_xforms = [
     (KernRe(r"__(?:re)?alloc_size\s*\(\s*\d+\s*(?:,\s*\d+\s*)?\) +"), ""),
     (KernRe(r"__diagnose_as\s*\(\s*\S+\s*(?:,\s*\d+\s*)*\) +"), ""),
     (KernRe(r"DECL_BUCKET_PARAMS\s*\(\s*(\S+)\s*,\s*(\S+)\s*\)"), r"\1, \2"),
+    (KernRe(r"__no_context_analysis\s*"), ""),
     (KernRe(r"__attribute_const__ +"), ""),
 ]
 
@@ -204,6 +217,8 @@ function_xforms = [
 var_xforms = [
     (KernRe(r"__read_mostly"), ""),
     (KernRe(r"__ro_after_init"), ""),
+    (KernRe(r'\s*__guarded_by\s*\([^\)]*\)', re.S), ""),
+    (KernRe(r'\s*__pt_guarded_by\s*\([^\)]*\)', re.S), ""),
     (KernRe(r"(?://.*)$"), ""),
     (KernRe(r"(?:/\*.*\*/)"), ""),
     (KernRe(r";$"), ""),
-- 
2.52.0


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