[RFC PATCH V3 24/43] rv64ilp32_abi: compiler_types: Add "long long" into __native_word()

guoren
2025-03-25T12:22:29Z

The rv64ilp32 abi supports native atomic64 operations. The
atomic64_t is defined by "long long," so add "long long" into
__native_word().

Signed-off-by: Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org>
---
include/linux/compiler_types.h | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 981cc3d7e3aa..6cf36a8e9570 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -505,9 +505,16 @@ struct ftrace_likely_data {
default: (x)))

/* Is this type a native word size -- useful for atomic operations */
+#ifdef CONFIG_64BIT
+#define __native_word(t) \
+ (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
+ sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long) || \
+ sizeof(t) == sizeof(long long))
+#else
#define __native_word(t) \
(sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
+#endif

#ifdef __OPTIMIZE__
# define __compiletime_assert(condition, msg, prefix, suffix) \
--
2.40.1