diff mbox series

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

Message ID 20250325121624.523258-25-guoren@kernel.org (mailing list archive)
State New
Headers show
Series rv64ilp32_abi: Build CONFIG_64BIT kernel-self with ILP32 ABI | expand

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bjorn/build-rv64-clang-allmodconfig fail build-rv64-clang-allmodconfig
bjorn/build-rv64-gcc-allmodconfig fail build-rv64-gcc-allmodconfig
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bjorn/dtb-warn-rv64 success dtb-warn-rv64
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Commit Message

Guo Ren March 25, 2025, 12:16 p.m. UTC 
From: "Guo Ren (Alibaba DAMO Academy)" <guoren@kernel.org>

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 mbox series

Patch

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)		\