cleanup: Always inline everything

KASAN bloat caused cleanup helper functions to not get inlined:

  vmlinux.o: error: objtool: irqentry_exit+0x323: call to class_user_rw_access_destructor() with UACCESS enabled

Force inline all the cleanup helpers like they already are on normal
builds.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://patch.msgid.link/20251031105435.GU4068168@noisy.programming.kicks-ass.net

Author: Peter Zijlstra

include/linux/cleanup.h

@@ -208,7 +208,7 @@
  */
 
 #define DEFINE_FREE(_name, _type, _free) \
-	static inline void __free_##_name(void *p) { _type _T = *(_type *)p; _free; }
+	static __always_inline void __free_##_name(void *p) { _type _T = *(_type *)p; _free; }
 
 #define __free(_name)	__cleanup(__free_##_name)
 
@@ -220,7 +220,7 @@
 		__val;                      \
 	})
 
-static inline __must_check
+static __always_inline __must_check
 const volatile void * __must_check_fn(const volatile void *val)
 { return val; }
 
@@ -274,16 +274,16 @@ const volatile void * __must_check_fn(const volatile void *val)
 
 #define DEFINE_CLASS(_name, _type, _exit, _init, _init_args...)		\
 typedef _type class_##_name##_t;					\
-static inline void class_##_name##_destructor(_type *p)			\
+static __always_inline void class_##_name##_destructor(_type *p)	\
 { _type _T = *p; _exit; }						\
-static inline _type class_##_name##_constructor(_init_args)		\
+static __always_inline _type class_##_name##_constructor(_init_args)	\
 { _type t = _init; return t; }
 
 #define EXTEND_CLASS(_name, ext, _init, _init_args...)			\
 typedef class_##_name##_t class_##_name##ext##_t;			\
-static inline void class_##_name##ext##_destructor(class_##_name##_t *p)\
+static __always_inline void class_##_name##ext##_destructor(class_##_name##_t *p) \
 { class_##_name##_destructor(p); }					\
-static inline class_##_name##_t class_##_name##ext##_constructor(_init_args) \
+static __always_inline class_##_name##_t class_##_name##ext##_constructor(_init_args) \
 { class_##_name##_t t = _init; return t; }
 
 #define CLASS(_name, var)						\
@@ -347,15 +347,15 @@ static __maybe_unused const bool class_##_name##_is_conditional = _is_cond
 	})
 
 #define __DEFINE_GUARD_LOCK_PTR(_name, _exp)                                \
-	static inline void *class_##_name##_lock_ptr(class_##_name##_t *_T) \
+	static __always_inline void *class_##_name##_lock_ptr(class_##_name##_t *_T) \
 	{                                                                   \
 		void *_ptr = (void *)(__force unsigned long)*(_exp);        \
 		if (IS_ERR(_ptr)) {                                         \
 			_ptr = NULL;                                        \
 		}                                                           \
 		return _ptr;                                                \
 	}                                                                   \
-	static inline int class_##_name##_lock_err(class_##_name##_t *_T)   \
+	static __always_inline int class_##_name##_lock_err(class_##_name##_t *_T) \
 	{                                                                   \
 		long _rc = (__force unsigned long)*(_exp);                  \
 		if (!_rc) {                                                 \
@@ -384,9 +384,9 @@ static __maybe_unused const bool class_##_name##_is_conditional = _is_cond
 	EXTEND_CLASS(_name, _ext, \
 		     ({ void *_t = _T; int _RET = (_lock); if (_T && !(_cond)) _t = ERR_PTR(_RET); _t; }), \
 		     class_##_name##_t _T) \
-	static inline void * class_##_name##_ext##_lock_ptr(class_##_name##_t *_T) \
+	static __always_inline void * class_##_name##_ext##_lock_ptr(class_##_name##_t *_T) \
 	{ return class_##_name##_lock_ptr(_T); } \
-	static inline int class_##_name##_ext##_lock_err(class_##_name##_t *_T) \
+	static __always_inline int class_##_name##_ext##_lock_err(class_##_name##_t *_T) \
 	{ return class_##_name##_lock_err(_T); }
 
 /*
@@ -466,23 +466,23 @@ typedef struct {							\
 	__VA_ARGS__;							\
 } class_##_name##_t;							\
 									\
-static inline void class_##_name##_destructor(class_##_name##_t *_T)	\
+static __always_inline void class_##_name##_destructor(class_##_name##_t *_T) \
 {									\
 	if (!__GUARD_IS_ERR(_T->lock)) { _unlock; }			\
 }									\
 									\
 __DEFINE_GUARD_LOCK_PTR(_name, &_T->lock)
 
 #define __DEFINE_LOCK_GUARD_1(_name, _type, _lock)			\
-static inline class_##_name##_t class_##_name##_constructor(_type *l)	\
+static __always_inline class_##_name##_t class_##_name##_constructor(_type *l) \
 {									\
 	class_##_name##_t _t = { .lock = l }, *_T = &_t;		\
 	_lock;								\
 	return _t;							\
 }
 
 #define __DEFINE_LOCK_GUARD_0(_name, _lock)				\
-static inline class_##_name##_t class_##_name##_constructor(void)	\
+static __always_inline class_##_name##_t class_##_name##_constructor(void) \
 {									\
 	class_##_name##_t _t = { .lock = (void*)1 },			\
 			 *_T __maybe_unused = &_t;			\
@@ -508,9 +508,9 @@ __DEFINE_LOCK_GUARD_0(_name, _lock)
 		        if (_T->lock && !(_cond)) _T->lock = ERR_PTR(_RET);\
 			_t; }),						\
 		     typeof_member(class_##_name##_t, lock) l)		\
-	static inline void * class_##_name##_ext##_lock_ptr(class_##_name##_t *_T) \
+	static __always_inline void * class_##_name##_ext##_lock_ptr(class_##_name##_t *_T) \
 	{ return class_##_name##_lock_ptr(_T); } \
-	static inline int class_##_name##_ext##_lock_err(class_##_name##_t *_T) \
+	static __always_inline int class_##_name##_ext##_lock_err(class_##_name##_t *_T) \
 	{ return class_##_name##_lock_err(_T); }
 
 #define DEFINE_LOCK_GUARD_1_COND_3(_name, _ext, _lock) \