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LoongArch: Mark __xchg() and __cmpxchg() as __always_inline
Commitac7c3e4ff4
("compiler: enable CONFIG_OPTIMIZE_INLINING forcibly") allows compiler to uninline functions marked as 'inline'. In case of __xchg()/__cmpxchg() this would cause to reference BUILD_BUG(), which is an error case for catching bugs and will not happen for correct code, if __xchg()/__cmpxchg() is inlined. This bug can be produced with CONFIG_DEBUG_SECTION_MISMATCH enabled, and the solution is similar to below commits:46f1619500
("MIPS: include: Mark __xchg as __always_inline"),88356d0990
("MIPS: include: Mark __cmpxchg as __always_inline"). Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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@ -61,8 +61,8 @@ static inline unsigned int __xchg_small(volatile void *ptr, unsigned int val,
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return (old32 & mask) >> shift;
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}
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static inline unsigned long __xchg(volatile void *ptr, unsigned long x,
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int size)
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static __always_inline unsigned long
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__xchg(volatile void *ptr, unsigned long x, int size)
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{
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switch (size) {
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case 1:
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@ -159,8 +159,8 @@ static inline unsigned int __cmpxchg_small(volatile void *ptr, unsigned int old,
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return (old32 & mask) >> shift;
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}
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static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
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unsigned long new, unsigned int size)
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static __always_inline unsigned long
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__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, unsigned int size)
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{
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switch (size) {
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case 1:
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