arch_cmpxchg[64]_local() are not defined for hexagon. So implement
them with generci_cmpxchg[64]_local, as advised by Masami Hiramatsu.

Closes: 
https://lore.kernel.org/linux-trace-kernel/169824660459.24340.14614817132696360531.stgit@devnote2
Closes: 
https://lore.kernel.org/oe-kbuild-all/202310241310.ir5uukog-...@intel.com

Signed-off-by: wuqiang.matt <wuqiang.m...@bytedance.com>
---
 arch/hexagon/include/asm/cmpxchg.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/hexagon/include/asm/cmpxchg.h 
b/arch/hexagon/include/asm/cmpxchg.h
index bf6cf5579cf4..c14520730194 100644
--- a/arch/hexagon/include/asm/cmpxchg.h
+++ b/arch/hexagon/include/asm/cmpxchg.h
@@ -72,4 +72,18 @@ __arch_xchg(unsigned long x, volatile void *ptr, int size)
        __oldval;                                               \
 })
 
+/*
+ * always make arch_cmpxchg[64]_local available. __generic_cmpxchg[64]_local
+ * are atomic with respect to current cpu.
+ */
+#include <asm-generic/cmpxchg-local.h>
+
+#define arch_cmpxchg_local(ptr, o, n) ({                               \
+       (__typeof__(*ptr))__generic_cmpxchg_local((ptr),                \
+                                               (unsigned long)(o),     \
+                                               (unsigned long)(n),     \
+                                               sizeof(*(ptr)));        \
+})
+#define arch_cmpxchg64_local(ptr, o, n) __generic_cmpxchg64_local((ptr), (o), 
(n))
+
 #endif /* _ASM_CMPXCHG_H */
-- 
2.40.1


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