[PATCH v2 1/1] linux/bitfield.h: replace __auto_type with auto
From: H. Peter Anvin
Date: Tue Dec 16 2025 - 20:22:11 EST
Replace "__auto_type" as described in commit:
2fb6915fa22d compiler_types.h: add "auto" as a macro for "__auto_type"
[ v2: add an explicit #include <linux/compiler.h> to this header ]
Cc: Yury Norov <yury.norov@xxxxxxxxx> (maintainer:BITMAP API)
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> (reviewer:BITMAP API)
Signed-off-by: H. Peter Anvin (Intel) <hpa@xxxxxxxxx>
---
include/linux/bitfield.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/linux/bitfield.h b/include/linux/bitfield.h
index 126dc5b380af..7c3fff2437d4 100644
--- a/include/linux/bitfield.h
+++ b/include/linux/bitfield.h
@@ -7,6 +7,7 @@
#ifndef _LINUX_BITFIELD_H
#define _LINUX_BITFIELD_H
+#include <linux/compiler.h>
#include <linux/build_bug.h>
#include <linux/typecheck.h>
#include <asm/byteorder.h>
@@ -243,7 +244,7 @@ __MAKE_OP(64)
#define __field_prep(mask, val) \
({ \
- __auto_type __mask = (mask); \
+ auto __mask = (mask); \
typeof(__mask) __val = (val); \
unsigned int __shift = BITS_PER_TYPE(__mask) <= 32 ? \
__ffs(__mask) : __ffs64(__mask); \
@@ -252,7 +253,7 @@ __MAKE_OP(64)
#define __field_get(mask, reg) \
({ \
- __auto_type __mask = (mask); \
+ auto __mask = (mask); \
typeof(__mask) __reg = (reg); \
unsigned int __shift = BITS_PER_TYPE(__mask) <= 32 ? \
__ffs(__mask) : __ffs64(__mask); \
--
2.52.0