locking/atomic: delete !ARCH_ATOMIC remnants

Now that all architectures implement ARCH_ATOMIC, we can make it
mandatory, removing the Kconfig symbol and logic for !ARCH_ATOMIC.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210525140232.53872-33-mark.rutland@arm.com

5 files changed, 3 insertions, 2690 deletions

diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index 649060fa0fe8..04b8be9f1a77 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -12,14 +12,6 @@
 #include <asm/cmpxchg.h>
 #include <asm/barrier.h>
 
-#ifdef CONFIG_ARCH_ATOMIC
-#define __ga_cmpxchg	arch_cmpxchg
-#define __ga_xchg	arch_xchg
-#else
-#define __ga_cmpxchg	cmpxchg
-#define __ga_xchg	xchg
-#endif
-
 #ifdef CONFIG_SMP
 
 /* we can build all atomic primitives from cmpxchg */
@@ -30,7 +22,7 @@ static inline void generic_atomic_##op(int i, atomic_t *v)		\
 	int c, old;							\
 									\
 	c = v->counter;							\
-	while ((old = __ga_cmpxchg(&v->counter, c, c c_op i)) != c)	\
+	while ((old = arch_cmpxchg(&v->counter, c, c c_op i)) != c)	\
 		c = old;						\
 }
 
@@ -40,7 +32,7 @@ static inline int generic_atomic_##op##_return(int i, atomic_t *v)	\
 	int c, old;							\
 									\
 	c = v->counter;							\
-	while ((old = __ga_cmpxchg(&v->counter, c, c c_op i)) != c)	\
+	while ((old = arch_cmpxchg(&v->counter, c, c c_op i)) != c)	\
 		c = old;						\
 									\
 	return c c_op i;						\
@@ -52,7 +44,7 @@ static inline int generic_atomic_fetch_##op(int i, atomic_t *v)		\
 	int c, old;							\
 									\
 	c = v->counter;							\
-	while ((old = __ga_cmpxchg(&v->counter, c, c c_op i)) != c)	\
+	while ((old = arch_cmpxchg(&v->counter, c, c c_op i)) != c)	\
 		c = old;						\
 									\
 	return c;							\
@@ -120,11 +112,6 @@ ATOMIC_OP(xor, ^)
 #undef ATOMIC_OP_RETURN
 #undef ATOMIC_OP
 
-#undef __ga_cmpxchg
-#undef __ga_xchg
-
-#ifdef CONFIG_ARCH_ATOMIC
-
 #define arch_atomic_add_return			generic_atomic_add_return
 #define arch_atomic_sub_return			generic_atomic_sub_return
 
@@ -146,29 +133,4 @@ ATOMIC_OP(xor, ^)
 #define arch_atomic_xchg(ptr, v)		(arch_xchg(&(ptr)->counter, (v)))
 #define arch_atomic_cmpxchg(v, old, new)	(arch_cmpxchg(&((v)->counter), (old), (new)))
 
-#else /* CONFIG_ARCH_ATOMIC */
-
-#define atomic_add_return		generic_atomic_add_return
-#define atomic_sub_return		generic_atomic_sub_return
-
-#define atomic_fetch_add		generic_atomic_fetch_add
-#define atomic_fetch_sub		generic_atomic_fetch_sub
-#define atomic_fetch_and		generic_atomic_fetch_and
-#define atomic_fetch_or			generic_atomic_fetch_or
-#define atomic_fetch_xor		generic_atomic_fetch_xor
-
-#define atomic_add			generic_atomic_add
-#define atomic_sub			generic_atomic_sub
-#define atomic_and			generic_atomic_and
-#define atomic_or			generic_atomic_or
-#define atomic_xor			generic_atomic_xor
-
-#define atomic_read(v)			READ_ONCE((v)->counter)
-#define atomic_set(v, i)		WRITE_ONCE(((v)->counter), (i))
-
-#define atomic_xchg(ptr, v)		(xchg(&(ptr)->counter, (v)))
-#define atomic_cmpxchg(v, old, new)	(cmpxchg(&((v)->counter), (old), (new)))
-
-#endif /* CONFIG_ARCH_ATOMIC */
-
 #endif /* __ASM_GENERIC_ATOMIC_H */
diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h
index c8c7d9fae820..100d24b02e52 100644
--- a/include/asm-generic/atomic64.h
+++ b/include/asm-generic/atomic64.h
@@ -49,8 +49,6 @@ extern s64 generic_atomic64_cmpxchg(atomic64_t *v, s64 o, s64 n);
 extern s64 generic_atomic64_xchg(atomic64_t *v, s64 new);
 extern s64 generic_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u);
 
-#ifdef CONFIG_ARCH_ATOMIC
-
 #define arch_atomic64_read		generic_atomic64_read
 #define arch_atomic64_set		generic_atomic64_set
 #define arch_atomic64_set_release	generic_atomic64_set
@@ -74,31 +72,4 @@ extern s64 generic_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u);
 #define arch_atomic64_xchg		generic_atomic64_xchg
 #define arch_atomic64_fetch_add_unless	generic_atomic64_fetch_add_unless
 
-#else /* CONFIG_ARCH_ATOMIC */
-
-#define atomic64_read			generic_atomic64_read
-#define atomic64_set			generic_atomic64_set
-#define atomic64_set_release		generic_atomic64_set
-
-#define atomic64_add			generic_atomic64_add
-#define atomic64_add_return		generic_atomic64_add_return
-#define atomic64_fetch_add		generic_atomic64_fetch_add
-#define atomic64_sub			generic_atomic64_sub
-#define atomic64_sub_return		generic_atomic64_sub_return
-#define atomic64_fetch_sub		generic_atomic64_fetch_sub
-
-#define atomic64_and			generic_atomic64_and
-#define atomic64_fetch_and		generic_atomic64_fetch_and
-#define atomic64_or			generic_atomic64_or
-#define atomic64_fetch_or		generic_atomic64_fetch_or
-#define atomic64_xor			generic_atomic64_xor
-#define atomic64_fetch_xor		generic_atomic64_fetch_xor
-
-#define atomic64_dec_if_positive	generic_atomic64_dec_if_positive
-#define atomic64_cmpxchg		generic_atomic64_cmpxchg
-#define atomic64_xchg			generic_atomic64_xchg
-#define atomic64_fetch_add_unless	generic_atomic64_fetch_add_unless
-
-#endif /* CONFIG_ARCH_ATOMIC */
-
 #endif  /*  _ASM_GENERIC_ATOMIC64_H  */
diff --git a/include/asm-generic/cmpxchg.h b/include/asm-generic/cmpxchg.h
index 98c931199089..dca4419922a9 100644
--- a/include/asm-generic/cmpxchg.h
+++ b/include/asm-generic/cmpxchg.h
@@ -97,8 +97,6 @@ unsigned long __generic_xchg(unsigned long x, volatile void *ptr, int size)
 	__generic_cmpxchg64_local((ptr), (o), (n))
 
 
-#ifdef CONFIG_ARCH_ATOMIC
-
 #ifndef arch_xchg
 #define arch_xchg		generic_xchg
 #endif
@@ -114,23 +112,4 @@ unsigned long __generic_xchg(unsigned long x, volatile void *ptr, int size)
 #define arch_cmpxchg		arch_cmpxchg_local
 #define arch_cmpxchg64		arch_cmpxchg64_local
 
-#else /* CONFIG_ARCH_ATOMIC */
-
-#ifndef xchg
-#define xchg			generic_xchg
-#endif
-
-#ifndef cmpxchg_local
-#define cmpxchg_local		generic_cmpxchg_local
-#endif
-
-#ifndef cmpxchg64_local
-#define cmpxchg64_local		generic_cmpxchg64_local
-#endif
-
-#define cmpxchg			cmpxchg_local
-#define cmpxchg64		cmpxchg64_local
-
-#endif /* CONFIG_ARCH_ATOMIC */
-
 #endif /* __ASM_GENERIC_CMPXCHG_H */
diff --git a/include/linux/atomic-fallback.h b/include/linux/atomic-fallback.h
deleted file mode 100644
index 2a3f55d98be9..000000000000
--- a/include/linux/atomic-fallback.h
+++ /dev/null
@@ -1,2595 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-// Generated by scripts/atomic/gen-atomic-fallback.sh
-// DO NOT MODIFY THIS FILE DIRECTLY
-
-#ifndef _LINUX_ATOMIC_FALLBACK_H
-#define _LINUX_ATOMIC_FALLBACK_H
-
-#include <linux/compiler.h>
-
-#ifndef xchg_relaxed
-#define xchg_acquire xchg
-#define xchg_release xchg
-#define xchg_relaxed xchg
-#else /* xchg_relaxed */
-
-#ifndef xchg_acquire
-#define xchg_acquire(...) \
-	__atomic_op_acquire(xchg, __VA_ARGS__)
-#endif
-
-#ifndef xchg_release
-#define xchg_release(...) \
-	__atomic_op_release(xchg, __VA_ARGS__)
-#endif
-
-#ifndef xchg
-#define xchg(...) \
-	__atomic_op_fence(xchg, __VA_ARGS__)
-#endif
-
-#endif /* xchg_relaxed */
-
-#ifndef cmpxchg_relaxed
-#define cmpxchg_acquire cmpxchg
-#define cmpxchg_release cmpxchg
-#define cmpxchg_relaxed cmpxchg
-#else /* cmpxchg_relaxed */
-
-#ifndef cmpxchg_acquire
-#define cmpxchg_acquire(...) \
-	__atomic_op_acquire(cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg_release
-#define cmpxchg_release(...) \
-	__atomic_op_release(cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg
-#define cmpxchg(...) \
-	__atomic_op_fence(cmpxchg, __VA_ARGS__)
-#endif
-
-#endif /* cmpxchg_relaxed */
-
-#ifndef cmpxchg64_relaxed
-#define cmpxchg64_acquire cmpxchg64
-#define cmpxchg64_release cmpxchg64
-#define cmpxchg64_relaxed cmpxchg64
-#else /* cmpxchg64_relaxed */
-
-#ifndef cmpxchg64_acquire
-#define cmpxchg64_acquire(...) \
-	__atomic_op_acquire(cmpxchg64, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg64_release
-#define cmpxchg64_release(...) \
-	__atomic_op_release(cmpxchg64, __VA_ARGS__)
-#endif
-
-#ifndef cmpxchg64
-#define cmpxchg64(...) \
-	__atomic_op_fence(cmpxchg64, __VA_ARGS__)
-#endif
-
-#endif /* cmpxchg64_relaxed */
-
-#ifndef try_cmpxchg_relaxed
-#ifdef try_cmpxchg
-#define try_cmpxchg_acquire try_cmpxchg
-#define try_cmpxchg_release try_cmpxchg
-#define try_cmpxchg_relaxed try_cmpxchg
-#endif /* try_cmpxchg */
-
-#ifndef try_cmpxchg
-#define try_cmpxchg(_ptr, _oldp, _new) \
-({ \
-	typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \
-	___r = cmpxchg((_ptr), ___o, (_new)); \
-	if (unlikely(___r != ___o)) \
-		*___op = ___r; \
-	likely(___r == ___o); \
-})
-#endif /* try_cmpxchg */
-
-#ifndef try_cmpxchg_acquire
-#define try_cmpxchg_acquire(_ptr, _oldp, _new) \
-({ \
-	typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \
-	___r = cmpxchg_acquire((_ptr), ___o, (_new)); \
-	if (unlikely(___r != ___o)) \
-		*___op = ___r; \
-	likely(___r == ___o); \
-})
-#endif /* try_cmpxchg_acquire */
-
-#ifndef try_cmpxchg_release
-#define try_cmpxchg_release(_ptr, _oldp, _new) \
-({ \
-	typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \
-	___r = cmpxchg_release((_ptr), ___o, (_new)); \
-	if (unlikely(___r != ___o)) \
-		*___op = ___r; \
-	likely(___r == ___o); \
-})
-#endif /* try_cmpxchg_release */
-
-#ifndef try_cmpxchg_relaxed
-#define try_cmpxchg_relaxed(_ptr, _oldp, _new) \
-({ \
-	typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \
-	___r = cmpxchg_relaxed((_ptr), ___o, (_new)); \
-	if (unlikely(___r != ___o)) \
-		*___op = ___r; \
-	likely(___r == ___o); \
-})
-#endif /* try_cmpxchg_relaxed */
-
-#else /* try_cmpxchg_relaxed */
-
-#ifndef try_cmpxchg_acquire
-#define try_cmpxchg_acquire(...) \
-	__atomic_op_acquire(try_cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef try_cmpxchg_release
-#define try_cmpxchg_release(...) \
-	__atomic_op_release(try_cmpxchg, __VA_ARGS__)
-#endif
-
-#ifndef try_cmpxchg
-#define try_cmpxchg(...) \
-	__atomic_op_fence(try_cmpxchg, __VA_ARGS__)
-#endif
-
-#endif /* try_cmpxchg_relaxed */
-
-#define arch_atomic_read atomic_read
-#define arch_atomic_read_acquire atomic_read_acquire
-
-#ifndef atomic_read_acquire
-static __always_inline int
-atomic_read_acquire(const atomic_t *v)
-{
-	return smp_load_acquire(&(v)->counter);
-}
-#define atomic_read_acquire atomic_read_acquire
-#endif
-
-#define arch_atomic_set atomic_set
-#define arch_atomic_set_release atomic_set_release
-
-#ifndef atomic_set_release
-static __always_inline void
-atomic_set_release(atomic_t *v, int i)
-{
-	smp_store_release(&(v)->counter, i);
-}
-#define atomic_set_release atomic_set_release
-#endif
-
-#define arch_atomic_add atomic_add
-
-#define arch_atomic_add_return atomic_add_return
-#define arch_atomic_add_return_acquire atomic_add_return_acquire
-#define arch_atomic_add_return_release atomic_add_return_release
-#define arch_atomic_add_return_relaxed atomic_add_return_relaxed
-
-#ifndef atomic_add_return_relaxed
-#define atomic_add_return_acquire atomic_add_return
-#define atomic_add_return_release atomic_add_return
-#define atomic_add_return_relaxed atomic_add_return
-#else /* atomic_add_return_relaxed */
-
-#ifndef atomic_add_return_acquire
-static __always_inline int
-atomic_add_return_acquire(int i, atomic_t *v)
-{
-	int ret = atomic_add_return_relaxed(i, v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_add_return_acquire atomic_add_return_acquire
-#endif
-
-#ifndef atomic_add_return_release
-static __always_inline int
-atomic_add_return_release(int i, atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_add_return_relaxed(i, v);
-}
-#define atomic_add_return_release atomic_add_return_release
-#endif
-
-#ifndef atomic_add_return
-static __always_inline int
-atomic_add_return(int i, atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_add_return_relaxed(i, v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_add_return atomic_add_return
-#endif
-
-#endif /* atomic_add_return_relaxed */
-
-#define arch_atomic_fetch_add atomic_fetch_add
-#define arch_atomic_fetch_add_acquire atomic_fetch_add_acquire
-#define arch_atomic_fetch_add_release atomic_fetch_add_release
-#define arch_atomic_fetch_add_relaxed atomic_fetch_add_relaxed
-
-#ifndef atomic_fetch_add_relaxed
-#define atomic_fetch_add_acquire atomic_fetch_add
-#define atomic_fetch_add_release atomic_fetch_add
-#define atomic_fetch_add_relaxed atomic_fetch_add
-#else /* atomic_fetch_add_relaxed */
-
-#ifndef atomic_fetch_add_acquire
-static __always_inline int
-atomic_fetch_add_acquire(int i, atomic_t *v)
-{
-	int ret = atomic_fetch_add_relaxed(i, v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_fetch_add_acquire atomic_fetch_add_acquire
-#endif
-
-#ifndef atomic_fetch_add_release
-static __always_inline int
-atomic_fetch_add_release(int i, atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_fetch_add_relaxed(i, v);
-}
-#define atomic_fetch_add_release atomic_fetch_add_release
-#endif
-
-#ifndef atomic_fetch_add
-static __always_inline int
-atomic_fetch_add(int i, atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_fetch_add_relaxed(i, v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_fetch_add atomic_fetch_add
-#endif
-
-#endif /* atomic_fetch_add_relaxed */
-
-#define arch_atomic_sub atomic_sub
-
-#define arch_atomic_sub_return atomic_sub_return
-#define arch_atomic_sub_return_acquire atomic_sub_return_acquire
-#define arch_atomic_sub_return_release atomic_sub_return_release
-#define arch_atomic_sub_return_relaxed atomic_sub_return_relaxed
-
-#ifndef atomic_sub_return_relaxed
-#define atomic_sub_return_acquire atomic_sub_return
-#define atomic_sub_return_release atomic_sub_return
-#define atomic_sub_return_relaxed atomic_sub_return
-#else /* atomic_sub_return_relaxed */
-
-#ifndef atomic_sub_return_acquire
-static __always_inline int
-atomic_sub_return_acquire(int i, atomic_t *v)
-{
-	int ret = atomic_sub_return_relaxed(i, v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_sub_return_acquire atomic_sub_return_acquire
-#endif
-
-#ifndef atomic_sub_return_release
-static __always_inline int
-atomic_sub_return_release(int i, atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_sub_return_relaxed(i, v);
-}
-#define atomic_sub_return_release atomic_sub_return_release
-#endif
-
-#ifndef atomic_sub_return
-static __always_inline int
-atomic_sub_return(int i, atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_sub_return_relaxed(i, v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_sub_return atomic_sub_return
-#endif
-
-#endif /* atomic_sub_return_relaxed */
-
-#define arch_atomic_fetch_sub atomic_fetch_sub
-#define arch_atomic_fetch_sub_acquire atomic_fetch_sub_acquire
-#define arch_atomic_fetch_sub_release atomic_fetch_sub_release
-#define arch_atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed
-
-#ifndef atomic_fetch_sub_relaxed
-#define atomic_fetch_sub_acquire atomic_fetch_sub
-#define atomic_fetch_sub_release atomic_fetch_sub
-#define atomic_fetch_sub_relaxed atomic_fetch_sub
-#else /* atomic_fetch_sub_relaxed */
-
-#ifndef atomic_fetch_sub_acquire
-static __always_inline int
-atomic_fetch_sub_acquire(int i, atomic_t *v)
-{
-	int ret = atomic_fetch_sub_relaxed(i, v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_fetch_sub_acquire atomic_fetch_sub_acquire
-#endif
-
-#ifndef atomic_fetch_sub_release
-static __always_inline int
-atomic_fetch_sub_release(int i, atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_fetch_sub_relaxed(i, v);
-}
-#define atomic_fetch_sub_release atomic_fetch_sub_release
-#endif
-
-#ifndef atomic_fetch_sub
-static __always_inline int
-atomic_fetch_sub(int i, atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_fetch_sub_relaxed(i, v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_fetch_sub atomic_fetch_sub
-#endif
-
-#endif /* atomic_fetch_sub_relaxed */
-
-#define arch_atomic_inc atomic_inc
-
-#ifndef atomic_inc
-static __always_inline void
-atomic_inc(atomic_t *v)
-{
-	atomic_add(1, v);
-}
-#define atomic_inc atomic_inc
-#endif
-
-#define arch_atomic_inc_return atomic_inc_return
-#define arch_atomic_inc_return_acquire atomic_inc_return_acquire
-#define arch_atomic_inc_return_release atomic_inc_return_release
-#define arch_atomic_inc_return_relaxed atomic_inc_return_relaxed
-
-#ifndef atomic_inc_return_relaxed
-#ifdef atomic_inc_return
-#define atomic_inc_return_acquire atomic_inc_return
-#define atomic_inc_return_release atomic_inc_return
-#define atomic_inc_return_relaxed atomic_inc_return
-#endif /* atomic_inc_return */
-
-#ifndef atomic_inc_return
-static __always_inline int
-atomic_inc_return(atomic_t *v)
-{
-	return atomic_add_return(1, v);
-}
-#define atomic_inc_return atomic_inc_return
-#endif
-
-#ifndef atomic_inc_return_acquire
-static __always_inline int
-atomic_inc_return_acquire(atomic_t *v)
-{
-	return atomic_add_return_acquire(1, v);
-}
-#define atomic_inc_return_acquire atomic_inc_return_acquire
-#endif
-
-#ifndef atomic_inc_return_release
-static __always_inline int
-atomic_inc_return_release(atomic_t *v)
-{
-	return atomic_add_return_release(1, v);
-}
-#define atomic_inc_return_release atomic_inc_return_release
-#endif
-
-#ifndef atomic_inc_return_relaxed
-static __always_inline int
-atomic_inc_return_relaxed(atomic_t *v)
-{
-	return atomic_add_return_relaxed(1, v);
-}
-#define atomic_inc_return_relaxed atomic_inc_return_relaxed
-#endif
-
-#else /* atomic_inc_return_relaxed */
-
-#ifndef atomic_inc_return_acquire
-static __always_inline int
-atomic_inc_return_acquire(atomic_t *v)
-{
-	int ret = atomic_inc_return_relaxed(v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_inc_return_acquire atomic_inc_return_acquire
-#endif
-
-#ifndef atomic_inc_return_release
-static __always_inline int
-atomic_inc_return_release(atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_inc_return_relaxed(v);
-}
-#define atomic_inc_return_release atomic_inc_return_release
-#endif
-
-#ifndef atomic_inc_return
-static __always_inline int
-atomic_inc_return(atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_inc_return_relaxed(v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_inc_return atomic_inc_return
-#endif
-
-#endif /* atomic_inc_return_relaxed */
-
-#define arch_atomic_fetch_inc atomic_fetch_inc
-#define arch_atomic_fetch_inc_acquire atomic_fetch_inc_acquire
-#define arch_atomic_fetch_inc_release atomic_fetch_inc_release
-#define arch_atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed
-
-#ifndef atomic_fetch_inc_relaxed
-#ifdef atomic_fetch_inc
-#define atomic_fetch_inc_acquire atomic_fetch_inc
-#define atomic_fetch_inc_release atomic_fetch_inc
-#define atomic_fetch_inc_relaxed atomic_fetch_inc
-#endif /* atomic_fetch_inc */
-
-#ifndef atomic_fetch_inc
-static __always_inline int
-atomic_fetch_inc(atomic_t *v)
-{
-	return atomic_fetch_add(1, v);
-}
-#define atomic_fetch_inc atomic_fetch_inc
-#endif
-
-#ifndef atomic_fetch_inc_acquire
-static __always_inline int
-atomic_fetch_inc_acquire(atomic_t *v)
-{
-	return atomic_fetch_add_acquire(1, v);
-}
-#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire
-#endif
-
-#ifndef atomic_fetch_inc_release
-static __always_inline int
-atomic_fetch_inc_release(atomic_t *v)
-{
-	return atomic_fetch_add_release(1, v);
-}
-#define atomic_fetch_inc_release atomic_fetch_inc_release
-#endif
-
-#ifndef atomic_fetch_inc_relaxed
-static __always_inline int
-atomic_fetch_inc_relaxed(atomic_t *v)
-{
-	return atomic_fetch_add_relaxed(1, v);
-}
-#define atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed
-#endif
-
-#else /* atomic_fetch_inc_relaxed */
-
-#ifndef atomic_fetch_inc_acquire
-static __always_inline int
-atomic_fetch_inc_acquire(atomic_t *v)
-{
-	int ret = atomic_fetch_inc_relaxed(v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire
-#endif
-
-#ifndef atomic_fetch_inc_release
-static __always_inline int
-atomic_fetch_inc_release(atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_fetch_inc_relaxed(v);
-}
-#define atomic_fetch_inc_release atomic_fetch_inc_release
-#endif
-
-#ifndef atomic_fetch_inc
-static __always_inline int
-atomic_fetch_inc(atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_fetch_inc_relaxed(v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_fetch_inc atomic_fetch_inc
-#endif
-
-#endif /* atomic_fetch_inc_relaxed */
-
-#define arch_atomic_dec atomic_dec
-
-#ifndef atomic_dec
-static __always_inline void
-atomic_dec(atomic_t *v)
-{
-	atomic_sub(1, v);
-}
-#define atomic_dec atomic_dec
-#endif
-
-#define arch_atomic_dec_return atomic_dec_return
-#define arch_atomic_dec_return_acquire atomic_dec_return_acquire
-#define arch_atomic_dec_return_release atomic_dec_return_release
-#define arch_atomic_dec_return_relaxed atomic_dec_return_relaxed
-
-#ifndef atomic_dec_return_relaxed
-#ifdef atomic_dec_return
-#define atomic_dec_return_acquire atomic_dec_return
-#define atomic_dec_return_release atomic_dec_return
-#define atomic_dec_return_relaxed atomic_dec_return
-#endif /* atomic_dec_return */
-
-#ifndef atomic_dec_return
-static __always_inline int
-atomic_dec_return(atomic_t *v)
-{
-	return atomic_sub_return(1, v);
-}
-#define atomic_dec_return atomic_dec_return
-#endif
-
-#ifndef atomic_dec_return_acquire
-static __always_inline int
-atomic_dec_return_acquire(atomic_t *v)
-{
-	return atomic_sub_return_acquire(1, v);
-}
-#define atomic_dec_return_acquire atomic_dec_return_acquire
-#endif
-
-#ifndef atomic_dec_return_release
-static __always_inline int
-atomic_dec_return_release(atomic_t *v)
-{
-	return atomic_sub_return_release(1, v);
-}
-#define atomic_dec_return_release atomic_dec_return_release
-#endif
-
-#ifndef atomic_dec_return_relaxed
-static __always_inline int
-atomic_dec_return_relaxed(atomic_t *v)
-{
-	return atomic_sub_return_relaxed(1, v);
-}
-#define atomic_dec_return_relaxed atomic_dec_return_relaxed
-#endif
-
-#else /* atomic_dec_return_relaxed */
-
-#ifndef atomic_dec_return_acquire
-static __always_inline int
-atomic_dec_return_acquire(atomic_t *v)
-{
-	int ret = atomic_dec_return_relaxed(v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_dec_return_acquire atomic_dec_return_acquire
-#endif
-
-#ifndef atomic_dec_return_release
-static __always_inline int
-atomic_dec_return_release(atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_dec_return_relaxed(v);
-}
-#define atomic_dec_return_release atomic_dec_return_release
-#endif
-
-#ifndef atomic_dec_return
-static __always_inline int
-atomic_dec_return(atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_dec_return_relaxed(v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_dec_return atomic_dec_return
-#endif
-
-#endif /* atomic_dec_return_relaxed */
-
-#define arch_atomic_fetch_dec atomic_fetch_dec
-#define arch_atomic_fetch_dec_acquire atomic_fetch_dec_acquire
-#define arch_atomic_fetch_dec_release atomic_fetch_dec_release
-#define arch_atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed
-
-#ifndef atomic_fetch_dec_relaxed
-#ifdef atomic_fetch_dec
-#define atomic_fetch_dec_acquire atomic_fetch_dec
-#define atomic_fetch_dec_release atomic_fetch_dec
-#define atomic_fetch_dec_relaxed atomic_fetch_dec
-#endif /* atomic_fetch_dec */
-
-#ifndef atomic_fetch_dec
-static __always_inline int
-atomic_fetch_dec(atomic_t *v)
-{
-	return atomic_fetch_sub(1, v);
-}
-#define atomic_fetch_dec atomic_fetch_dec
-#endif
-
-#ifndef atomic_fetch_dec_acquire
-static __always_inline int
-atomic_fetch_dec_acquire(atomic_t *v)
-{
-	return atomic_fetch_sub_acquire(1, v);
-}
-#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire
-#endif
-
-#ifndef atomic_fetch_dec_release
-static __always_inline int
-atomic_fetch_dec_release(atomic_t *v)
-{
-	return atomic_fetch_sub_release(1, v);
-}
-#define atomic_fetch_dec_release atomic_fetch_dec_release
-#endif
-
-#ifndef atomic_fetch_dec_relaxed
-static __always_inline int
-atomic_fetch_dec_relaxed(atomic_t *v)
-{
-	return atomic_fetch_sub_relaxed(1, v);
-}
-#define atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed
-#endif
-
-#else /* atomic_fetch_dec_relaxed */
-
-#ifndef atomic_fetch_dec_acquire
-static __always_inline int
-atomic_fetch_dec_acquire(atomic_t *v)
-{
-	int ret = atomic_fetch_dec_relaxed(v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire
-#endif
-
-#ifndef atomic_fetch_dec_release
-static __always_inline int
-atomic_fetch_dec_release(atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_fetch_dec_relaxed(v);
-}
-#define atomic_fetch_dec_release atomic_fetch_dec_release
-#endif
-
-#ifndef atomic_fetch_dec
-static __always_inline int
-atomic_fetch_dec(atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_fetch_dec_relaxed(v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_fetch_dec atomic_fetch_dec
-#endif
-
-#endif /* atomic_fetch_dec_relaxed */
-
-#define arch_atomic_and atomic_and
-
-#define arch_atomic_fetch_and atomic_fetch_and
-#define arch_atomic_fetch_and_acquire atomic_fetch_and_acquire
-#define arch_atomic_fetch_and_release atomic_fetch_and_release
-#define arch_atomic_fetch_and_relaxed atomic_fetch_and_relaxed
-
-#ifndef atomic_fetch_and_relaxed
-#define atomic_fetch_and_acquire atomic_fetch_and
-#define atomic_fetch_and_release atomic_fetch_and
-#define atomic_fetch_and_relaxed atomic_fetch_and
-#else /* atomic_fetch_and_relaxed */
-
-#ifndef atomic_fetch_and_acquire
-static __always_inline int
-atomic_fetch_and_acquire(int i, atomic_t *v)
-{
-	int ret = atomic_fetch_and_relaxed(i, v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_fetch_and_acquire atomic_fetch_and_acquire
-#endif
-
-#ifndef atomic_fetch_and_release
-static __always_inline int
-atomic_fetch_and_release(int i, atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_fetch_and_relaxed(i, v);
-}
-#define atomic_fetch_and_release atomic_fetch_and_release
-#endif
-
-#ifndef atomic_fetch_and
-static __always_inline int
-atomic_fetch_and(int i, atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_fetch_and_relaxed(i, v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_fetch_and atomic_fetch_and
-#endif
-
-#endif /* atomic_fetch_and_relaxed */
-
-#define arch_atomic_andnot atomic_andnot
-
-#ifndef atomic_andnot
-static __always_inline void
-atomic_andnot(int i, atomic_t *v)
-{
-	atomic_and(~i, v);
-}
-#define atomic_andnot atomic_andnot
-#endif
-
-#define arch_atomic_fetch_andnot atomic_fetch_andnot
-#define arch_atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire
-#define arch_atomic_fetch_andnot_release atomic_fetch_andnot_release
-#define arch_atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed
-
-#ifndef atomic_fetch_andnot_relaxed
-#ifdef atomic_fetch_andnot
-#define atomic_fetch_andnot_acquire atomic_fetch_andnot
-#define atomic_fetch_andnot_release atomic_fetch_andnot
-#define atomic_fetch_andnot_relaxed atomic_fetch_andnot
-#endif /* atomic_fetch_andnot */
-
-#ifndef atomic_fetch_andnot
-static __always_inline int
-atomic_fetch_andnot(int i, atomic_t *v)
-{
-	return atomic_fetch_and(~i, v);
-}
-#define atomic_fetch_andnot atomic_fetch_andnot
-#endif
-
-#ifndef atomic_fetch_andnot_acquire
-static __always_inline int
-atomic_fetch_andnot_acquire(int i, atomic_t *v)
-{
-	return atomic_fetch_and_acquire(~i, v);
-}
-#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire
-#endif
-
-#ifndef atomic_fetch_andnot_release
-static __always_inline int
-atomic_fetch_andnot_release(int i, atomic_t *v)
-{
-	return atomic_fetch_and_release(~i, v);
-}
-#define atomic_fetch_andnot_release atomic_fetch_andnot_release
-#endif
-
-#ifndef atomic_fetch_andnot_relaxed
-static __always_inline int
-atomic_fetch_andnot_relaxed(int i, atomic_t *v)
-{
-	return atomic_fetch_and_relaxed(~i, v);
-}
-#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed
-#endif
-
-#else /* atomic_fetch_andnot_relaxed */
-
-#ifndef atomic_fetch_andnot_acquire
-static __always_inline int
-atomic_fetch_andnot_acquire(int i, atomic_t *v)
-{
-	int ret = atomic_fetch_andnot_relaxed(i, v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire
-#endif
-
-#ifndef atomic_fetch_andnot_release
-static __always_inline int
-atomic_fetch_andnot_release(int i, atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_fetch_andnot_relaxed(i, v);
-}
-#define atomic_fetch_andnot_release atomic_fetch_andnot_release
-#endif
-
-#ifndef atomic_fetch_andnot
-static __always_inline int
-atomic_fetch_andnot(int i, atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_fetch_andnot_relaxed(i, v);
-	__atomic_post_full_fence();
-	return ret;
-}
-#define atomic_fetch_andnot atomic_fetch_andnot
-#endif
-
-#endif /* atomic_fetch_andnot_relaxed */
-
-#define arch_atomic_or atomic_or
-
-#define arch_atomic_fetch_or atomic_fetch_or
-#define arch_atomic_fetch_or_acquire atomic_fetch_or_acquire
-#define arch_atomic_fetch_or_release atomic_fetch_or_release
-#define arch_atomic_fetch_or_relaxed atomic_fetch_or_relaxed
-
-#ifndef atomic_fetch_or_relaxed
-#define atomic_fetch_or_acquire atomic_fetch_or
-#define atomic_fetch_or_release atomic_fetch_or
-#define atomic_fetch_or_relaxed atomic_fetch_or
-#else /* atomic_fetch_or_relaxed */
-
-#ifndef atomic_fetch_or_acquire
-static __always_inline int
-atomic_fetch_or_acquire(int i, atomic_t *v)
-{
-	int ret = atomic_fetch_or_relaxed(i, v);
-	__atomic_acquire_fence();
-	return ret;
-}
-#define atomic_fetch_or_acquire atomic_fetch_or_acquire
-#endif
-
-#ifndef atomic_fetch_or_release
-static __always_inline int
-atomic_fetch_or_release(int i, atomic_t *v)
-{
-	__atomic_release_fence();
-	return atomic_fetch_or_relaxed(i, v);
-}
-#define atomic_fetch_or_release atomic_fetch_or_release
-#endif
-
-#ifndef atomic_fetch_or
-static __always_inline int
-atomic_fetch_or(int i, atomic_t *v)
-{
-	int ret;
-	__atomic_pre_full_fence();
-	ret = atomic_fetch_or_relaxed(i, v);
-	__atomic_post_full_fence();