Re: [PATCH] include/linux: replace remaining __auto_type with auto

On August 17, 2026 1:11:35 AM PDT, Zhan Xusheng <[email protected]> wrote:
>From: Zhan Xusheng <[email protected]>
>
>From: Zhan Xusheng <[email protected]>
>
>Replace "__auto_type" as described in commit:
>
>2fb6915fa22d compiler_types.h: add "auto" as a macro for "__auto_type"
>
>srcu.h and compiler-context-analysis.h gained new users shortly after the
>last sweep.  With these, __auto_type under include/ is left only in the
>definition itself and the comment above it.
>
>Signed-off-by: Zhan Xusheng <[email protected]>
>---
> include/linux/compiler-context-analysis.h | 4 ++--
> include/linux/srcu.h                      | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/include/linux/compiler-context-analysis.h b/include/linux/compiler-context-analysis.h
>index 8302ebc2ea8c..ba6f5bd4b745 100644
>--- a/include/linux/compiler-context-analysis.h
>+++ b/include/linux/compiler-context-analysis.h
>@@ -447,7 +447,7 @@ static inline void _context_unsafe_alias(void **p) { }
>  */
> #define __acquire_ret(call, ret_expr)		\
> 	({					\
>-		__auto_type __ret = call;	\
>+		auto __ret = call;		\
> 		__acquire(ret_expr);		\
> 		__ret;				\
> 	})
>@@ -459,7 +459,7 @@ static inline void _context_unsafe_alias(void **p) { }
>  */
> #define __acquire_shared_ret(call, ret_expr)	\
> 	({					\
>-		__auto_type __ret = call;	\
>+		auto __ret = call;		\
> 		__acquire_shared(ret_expr);	\
> 		__ret;				\
> 	})
>diff --git a/include/linux/srcu.h b/include/linux/srcu.h
>index a54ce9e808b9..0275832d2004 100644
>--- a/include/linux/srcu.h
>+++ b/include/linux/srcu.h
>@@ -237,7 +237,7 @@ static inline void __srcu_read_lock_must_hold(const struct srcu_struct *ssp) __m
> ({										\
> 	__srcu_read_lock_must_hold(ssp);					\
> 	__acquire_shared_ctx_lock(RCU);					\
>-	__auto_type __v = __rcu_dereference_check((p), __UNIQUE_ID(rcu),	\
>+	auto __v = __rcu_dereference_check((p), __UNIQUE_ID(rcu),	\
> 				(c) || srcu_read_lock_held(ssp), __rcu);	\
> 	__release_shared_ctx_lock(RCU);					\
> 	__v;									\

Acked-by: H. Peter Anvin <[email protected]>