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-rw-r--r--arch/arm64/include/asm/atomic.h6
-rw-r--r--arch/x86/include/asm/atomic.h17
-rw-r--r--arch/x86/include/asm/atomic64_32.h9
-rw-r--r--arch/x86/include/asm/atomic64_64.h15
-rw-r--r--include/linux/atomic-arch-fallback.h2291
-rw-r--r--include/linux/atomic-fallback.h8
-rw-r--r--include/linux/atomic.h11
-rwxr-xr-xscripts/atomic/fallbacks/acquire4
-rwxr-xr-xscripts/atomic/fallbacks/add_negative6
-rwxr-xr-xscripts/atomic/fallbacks/add_unless6
-rwxr-xr-xscripts/atomic/fallbacks/andnot4
-rwxr-xr-xscripts/atomic/fallbacks/dec4
-rwxr-xr-xscripts/atomic/fallbacks/dec_and_test6
-rwxr-xr-xscripts/atomic/fallbacks/dec_if_positive6
-rwxr-xr-xscripts/atomic/fallbacks/dec_unless_positive6
-rwxr-xr-xscripts/atomic/fallbacks/fence4
-rwxr-xr-xscripts/atomic/fallbacks/fetch_add_unless8
-rwxr-xr-xscripts/atomic/fallbacks/inc4
-rwxr-xr-xscripts/atomic/fallbacks/inc_and_test6
-rwxr-xr-xscripts/atomic/fallbacks/inc_not_zero6
-rwxr-xr-xscripts/atomic/fallbacks/inc_unless_negative6
-rwxr-xr-xscripts/atomic/fallbacks/read_acquire2
-rwxr-xr-xscripts/atomic/fallbacks/release4
-rwxr-xr-xscripts/atomic/fallbacks/set_release2
-rwxr-xr-xscripts/atomic/fallbacks/sub_and_test6
-rwxr-xr-xscripts/atomic/fallbacks/try_cmpxchg4
-rwxr-xr-xscripts/atomic/gen-atomic-fallback.sh29
-rw-r--r--scripts/atomic/gen-atomics.sh5
28 files changed, 2403 insertions, 82 deletions
diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h
index 9543b5e0534d..a08890da696c 100644
--- a/arch/arm64/include/asm/atomic.h
+++ b/arch/arm64/include/asm/atomic.h
@@ -101,8 +101,8 @@ static inline long arch_atomic64_dec_if_positive(atomic64_t *v)
#define ATOMIC_INIT(i) { (i) }
-#define arch_atomic_read(v) READ_ONCE((v)->counter)
-#define arch_atomic_set(v, i) WRITE_ONCE(((v)->counter), (i))
+#define arch_atomic_read(v) __READ_ONCE((v)->counter)
+#define arch_atomic_set(v, i) __WRITE_ONCE(((v)->counter), (i))
#define arch_atomic_add_return_relaxed arch_atomic_add_return_relaxed
#define arch_atomic_add_return_acquire arch_atomic_add_return_acquire
@@ -225,6 +225,6 @@ static inline long arch_atomic64_dec_if_positive(atomic64_t *v)
#define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive
-#include <asm-generic/atomic-instrumented.h>
+#define ARCH_ATOMIC
#endif /* __ASM_ATOMIC_H */
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 115127c7ad28..a9ae58826074 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -28,7 +28,7 @@ static __always_inline int arch_atomic_read(const atomic_t *v)
* Note for KASAN: we deliberately don't use READ_ONCE_NOCHECK() here,
* it's non-inlined function that increases binary size and stack usage.
*/
- return READ_ONCE((v)->counter);
+ return __READ_ONCE((v)->counter);
}
/**
@@ -40,7 +40,7 @@ static __always_inline int arch_atomic_read(const atomic_t *v)
*/
static __always_inline void arch_atomic_set(atomic_t *v, int i)
{
- WRITE_ONCE(v->counter, i);
+ __WRITE_ONCE(v->counter, i);
}
/**
@@ -166,6 +166,7 @@ static __always_inline int arch_atomic_add_return(int i, atomic_t *v)
{
return i + xadd(&v->counter, i);
}
+#define arch_atomic_add_return arch_atomic_add_return
/**
* arch_atomic_sub_return - subtract integer and return
@@ -178,32 +179,37 @@ static __always_inline int arch_atomic_sub_return(int i, atomic_t *v)
{
return arch_atomic_add_return(-i, v);
}
+#define arch_atomic_sub_return arch_atomic_sub_return
static __always_inline int arch_atomic_fetch_add(int i, atomic_t *v)
{
return xadd(&v->counter, i);
}
+#define arch_atomic_fetch_add arch_atomic_fetch_add
static __always_inline int arch_atomic_fetch_sub(int i, atomic_t *v)
{
return xadd(&v->counter, -i);
}
+#define arch_atomic_fetch_sub arch_atomic_fetch_sub
static __always_inline int arch_atomic_cmpxchg(atomic_t *v, int old, int new)
{
return arch_cmpxchg(&v->counter, old, new);
}
+#define arch_atomic_cmpxchg arch_atomic_cmpxchg
-#define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg
static __always_inline bool arch_atomic_try_cmpxchg(atomic_t *v, int *old, int new)
{
return try_cmpxchg(&v->counter, old, new);
}
+#define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg
static inline int arch_atomic_xchg(atomic_t *v, int new)
{
return arch_xchg(&v->counter, new);
}
+#define arch_atomic_xchg arch_atomic_xchg
static inline void arch_atomic_and(int i, atomic_t *v)
{
@@ -221,6 +227,7 @@ static inline int arch_atomic_fetch_and(int i, atomic_t *v)
return val;
}
+#define arch_atomic_fetch_and arch_atomic_fetch_and
static inline void arch_atomic_or(int i, atomic_t *v)
{
@@ -238,6 +245,7 @@ static inline int arch_atomic_fetch_or(int i, atomic_t *v)
return val;
}
+#define arch_atomic_fetch_or arch_atomic_fetch_or
static inline void arch_atomic_xor(int i, atomic_t *v)
{
@@ -255,6 +263,7 @@ static inline int arch_atomic_fetch_xor(int i, atomic_t *v)
return val;
}
+#define arch_atomic_fetch_xor arch_atomic_fetch_xor
#ifdef CONFIG_X86_32
# include <asm/atomic64_32.h>
@@ -262,6 +271,6 @@ static inline int arch_atomic_fetch_xor(int i, atomic_t *v)
# include <asm/atomic64_64.h>
#endif
-#include <asm-generic/atomic-instrumented.h>
+#define ARCH_ATOMIC
#endif /* _ASM_X86_ATOMIC_H */
diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
index 52cfaecb13f9..5efd01b548d1 100644
--- a/arch/x86/include/asm/atomic64_32.h
+++ b/arch/x86/include/asm/atomic64_32.h
@@ -75,6 +75,7 @@ static inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 o, s64 n)
{
return arch_cmpxchg64(&v->counter, o, n);
}
+#define arch_atomic64_cmpxchg arch_atomic64_cmpxchg
/**
* arch_atomic64_xchg - xchg atomic64 variable
@@ -94,6 +95,7 @@ static inline s64 arch_atomic64_xchg(atomic64_t *v, s64 n)
: "memory");
return o;
}
+#define arch_atomic64_xchg arch_atomic64_xchg
/**
* arch_atomic64_set - set atomic64 variable
@@ -138,6 +140,7 @@ static inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
ASM_NO_INPUT_CLOBBER("memory"));
return i;
}
+#define arch_atomic64_add_return arch_atomic64_add_return
/*
* Other variants with different arithmetic operators:
@@ -149,6 +152,7 @@ static inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v)
ASM_NO_INPUT_CLOBBER("memory"));
return i;
}
+#define arch_atomic64_sub_return arch_atomic64_sub_return
static inline s64 arch_atomic64_inc_return(atomic64_t *v)
{
@@ -242,6 +246,7 @@ static inline int arch_atomic64_add_unless(atomic64_t *v, s64 a, s64 u)
"S" (v) : "memory");
return (int)a;
}
+#define arch_atomic64_add_unless arch_atomic64_add_unless
static inline int arch_atomic64_inc_not_zero(atomic64_t *v)
{
@@ -281,6 +286,7 @@ static inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
return old;
}
+#define arch_atomic64_fetch_and arch_atomic64_fetch_and
static inline void arch_atomic64_or(s64 i, atomic64_t *v)
{
@@ -299,6 +305,7 @@ static inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
return old;
}
+#define arch_atomic64_fetch_or arch_atomic64_fetch_or
static inline void arch_atomic64_xor(s64 i, atomic64_t *v)
{
@@ -317,6 +324,7 @@ static inline s64 arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
return old;
}
+#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
static inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
{
@@ -327,6 +335,7 @@ static inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
return old;
}
+#define arch_atomic64_fetch_add arch_atomic64_fetch_add
#define arch_atomic64_fetch_sub(i, v) arch_atomic64_fetch_add(-(i), (v))
diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h
index 95c6ceac66b9..809bd010a751 100644
--- a/arch/x86/include/asm/atomic64_64.h
+++ b/arch/x86/include/asm/atomic64_64.h
@@ -19,7 +19,7 @@
*/
static inline s64 arch_atomic64_read(const atomic64_t *v)
{
- return READ_ONCE((v)->counter);
+ return __READ_ONCE((v)->counter);
}
/**
@@ -31,7 +31,7 @@ static inline s64 arch_atomic64_read(const atomic64_t *v)
*/
static inline void arch_atomic64_set(atomic64_t *v, s64 i)
{
- WRITE_ONCE(v->counter, i);
+ __WRITE_ONCE(v->counter, i);
}
/**
@@ -159,37 +159,43 @@ static __always_inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
{
return i + xadd(&v->counter, i);
}
+#define arch_atomic64_add_return arch_atomic64_add_return
static inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v)
{
return arch_atomic64_add_return(-i, v);
}
+#define arch_atomic64_sub_return arch_atomic64_sub_return
static inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
{
return xadd(&v->counter, i);
}
+#define arch_atomic64_fetch_add arch_atomic64_fetch_add
static inline s64 arch_atomic64_fetch_sub(s64 i, atomic64_t *v)
{
return xadd(&v->counter, -i);
}
+#define arch_atomic64_fetch_sub arch_atomic64_fetch_sub
static inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
{
return arch_cmpxchg(&v->counter, old, new);
}
+#define arch_atomic64_cmpxchg arch_atomic64_cmpxchg
-#define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg
static __always_inline bool arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new)
{
return try_cmpxchg(&v->counter, old, new);
}
+#define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg
static inline s64 arch_atomic64_xchg(atomic64_t *v, s64 new)
{
return arch_xchg(&v->counter, new);
}
+#define arch_atomic64_xchg arch_atomic64_xchg
static inline void arch_atomic64_and(s64 i, atomic64_t *v)
{
@@ -207,6 +213,7 @@ static inline s64 arch_atomic64_fetch_and(s64 i, atomic64_t *v)
} while (!arch_atomic64_try_cmpxchg(v, &val, val & i));
return val;
}
+#define arch_atomic64_fetch_and arch_atomic64_fetch_and
static inline void arch_atomic64_or(s64 i, atomic64_t *v)
{
@@ -224,6 +231,7 @@ static inline s64 arch_atomic64_fetch_or(s64 i, atomic64_t *v)
} while (!arch_atomic64_try_cmpxchg(v, &val, val | i));
return val;
}
+#define arch_atomic64_fetch_or arch_atomic64_fetch_or
static inline void arch_atomic64_xor(s64 i, atomic64_t *v)
{
@@ -241,5 +249,6 @@ static inline s64 arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
} while (!arch_atomic64_try_cmpxchg(v, &val, val ^ i));
return val;
}
+#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
#endif /* _ASM_X86_ATOMIC64_64_H */
diff --git a/include/linux/atomic-arch-fallback.h b/include/linux/atomic-arch-fallback.h
new file mode 100644
index 000000000000..bcb6aa27cfa6
--- /dev/null
+++ b/include/linux/atomic-arch-fallback.h
@@ -0,0 +1,2291 @@
+// 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 arch_xchg_relaxed
+#define arch_xchg_relaxed arch_xchg
+#define arch_xchg_acquire arch_xchg
+#define arch_xchg_release arch_xchg
+#else /* arch_xchg_relaxed */
+
+#ifndef arch_xchg_acquire
+#define arch_xchg_acquire(...) \
+ __atomic_op_acquire(arch_xchg, __VA_ARGS__)
+#endif
+
+#ifndef arch_xchg_release
+#define arch_xchg_release(...) \
+ __atomic_op_release(arch_xchg, __VA_ARGS__)
+#endif
+
+#ifndef arch_xchg
+#define arch_xchg(...) \
+ __atomic_op_fence(arch_xchg, __VA_ARGS__)
+#endif
+
+#endif /* arch_xchg_relaxed */
+
+#ifndef arch_cmpxchg_relaxed
+#define arch_cmpxchg_relaxed arch_cmpxchg
+#define arch_cmpxchg_acquire arch_cmpxchg
+#define arch_cmpxchg_release arch_cmpxchg
+#else /* arch_cmpxchg_relaxed */
+
+#ifndef arch_cmpxchg_acquire
+#define arch_cmpxchg_acquire(...) \
+ __atomic_op_acquire(arch_cmpxchg, __VA_ARGS__)
+#endif
+
+#ifndef arch_cmpxchg_release
+#define arch_cmpxchg_release(...) \
+ __atomic_op_release(arch_cmpxchg, __VA_ARGS__)
+#endif
+
+#ifndef arch_cmpxchg
+#define arch_cmpxchg(...) \
+ __atomic_op_fence(arch_cmpxchg, __VA_ARGS__)
+#endif
+
+#endif /* arch_cmpxchg_relaxed */
+
+#ifndef arch_cmpxchg64_relaxed
+#define arch_cmpxchg64_relaxed arch_cmpxchg64
+#define arch_cmpxchg64_acquire arch_cmpxchg64
+#define arch_cmpxchg64_release arch_cmpxchg64
+#else /* arch_cmpxchg64_relaxed */
+
+#ifndef arch_cmpxchg64_acquire
+#define arch_cmpxchg64_acquire(...) \
+ __atomic_op_acquire(arch_cmpxchg64, __VA_ARGS__)
+#endif
+
+#ifndef arch_cmpxchg64_release
+#define arch_cmpxchg64_release(...) \
+ __atomic_op_release(arch_cmpxchg64, __VA_ARGS__)
+#endif
+
+#ifndef arch_cmpxchg64
+#define arch_cmpxchg64(...) \
+ __atomic_op_fence(arch_cmpxchg64, __VA_ARGS__)
+#endif
+
+#endif /* arch_cmpxchg64_relaxed */
+
+#ifndef arch_atomic_read_acquire
+static __always_inline int
+arch_atomic_read_acquire(const atomic_t *v)
+{
+ return smp_load_acquire(&(v)->counter);
+}
+#define arch_atomic_read_acquire arch_atomic_read_acquire
+#endif
+
+#ifndef arch_atomic_set_release
+static __always_inline void
+arch_atomic_set_release(atomic_t *v, int i)
+{
+ smp_store_release(&(v)->counter, i);
+}
+#define arch_atomic_set_release arch_atomic_set_release
+#endif
+
+#ifndef arch_atomic_add_return_relaxed
+#define arch_atomic_add_return_acquire arch_atomic_add_return
+#define arch_atomic_add_return_release arch_atomic_add_return
+#define arch_atomic_add_return_relaxed arch_atomic_add_return
+#else /* arch_atomic_add_return_relaxed */
+
+#ifndef arch_atomic_add_return_acquire
+static __always_inline int
+arch_atomic_add_return_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_add_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_add_return_acquire arch_atomic_add_return_acquire
+#endif
+
+#ifndef arch_atomic_add_return_release
+static __always_inline int
+arch_atomic_add_return_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_add_return_relaxed(i, v);
+}
+#define arch_atomic_add_return_release arch_atomic_add_return_release
+#endif
+
+#ifndef arch_atomic_add_return
+static __always_inline int
+arch_atomic_add_return(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_add_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_add_return arch_atomic_add_return
+#endif
+
+#endif /* arch_atomic_add_return_relaxed */
+
+#ifndef arch_atomic_fetch_add_relaxed
+#define arch_atomic_fetch_add_acquire arch_atomic_fetch_add
+#define arch_atomic_fetch_add_release arch_atomic_fetch_add
+#define arch_atomic_fetch_add_relaxed arch_atomic_fetch_add
+#else /* arch_atomic_fetch_add_relaxed */
+
+#ifndef arch_atomic_fetch_add_acquire
+static __always_inline int
+arch_atomic_fetch_add_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_fetch_add_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_add_acquire arch_atomic_fetch_add_acquire
+#endif
+
+#ifndef arch_atomic_fetch_add_release
+static __always_inline int
+arch_atomic_fetch_add_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_add_relaxed(i, v);
+}
+#define arch_atomic_fetch_add_release arch_atomic_fetch_add_release
+#endif
+
+#ifndef arch_atomic_fetch_add
+static __always_inline int
+arch_atomic_fetch_add(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_add_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_add arch_atomic_fetch_add
+#endif
+
+#endif /* arch_atomic_fetch_add_relaxed */
+
+#ifndef arch_atomic_sub_return_relaxed
+#define arch_atomic_sub_return_acquire arch_atomic_sub_return
+#define arch_atomic_sub_return_release arch_atomic_sub_return
+#define arch_atomic_sub_return_relaxed arch_atomic_sub_return
+#else /* arch_atomic_sub_return_relaxed */
+
+#ifndef arch_atomic_sub_return_acquire
+static __always_inline int
+arch_atomic_sub_return_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_sub_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_sub_return_acquire arch_atomic_sub_return_acquire
+#endif
+
+#ifndef arch_atomic_sub_return_release
+static __always_inline int
+arch_atomic_sub_return_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_sub_return_relaxed(i, v);
+}
+#define arch_atomic_sub_return_release arch_atomic_sub_return_release
+#endif
+
+#ifndef arch_atomic_sub_return
+static __always_inline int
+arch_atomic_sub_return(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_sub_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_sub_return arch_atomic_sub_return
+#endif
+
+#endif /* arch_atomic_sub_return_relaxed */
+
+#ifndef arch_atomic_fetch_sub_relaxed
+#define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub
+#define arch_atomic_fetch_sub_release arch_atomic_fetch_sub
+#define arch_atomic_fetch_sub_relaxed arch_atomic_fetch_sub
+#else /* arch_atomic_fetch_sub_relaxed */
+
+#ifndef arch_atomic_fetch_sub_acquire
+static __always_inline int
+arch_atomic_fetch_sub_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_fetch_sub_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub_acquire
+#endif
+
+#ifndef arch_atomic_fetch_sub_release
+static __always_inline int
+arch_atomic_fetch_sub_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_sub_relaxed(i, v);
+}
+#define arch_atomic_fetch_sub_release arch_atomic_fetch_sub_release
+#endif
+
+#ifndef arch_atomic_fetch_sub
+static __always_inline int
+arch_atomic_fetch_sub(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_sub_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_sub arch_atomic_fetch_sub
+#endif
+
+#endif /* arch_atomic_fetch_sub_relaxed */
+
+#ifndef arch_atomic_inc
+static __always_inline void
+arch_atomic_inc(atomic_t *v)
+{
+ arch_atomic_add(1, v);
+}
+#define arch_atomic_inc arch_atomic_inc
+#endif
+
+#ifndef arch_atomic_inc_return_relaxed
+#ifdef arch_atomic_inc_return
+#define arch_atomic_inc_return_acquire arch_atomic_inc_return
+#define arch_atomic_inc_return_release arch_atomic_inc_return
+#define arch_atomic_inc_return_relaxed arch_atomic_inc_return
+#endif /* arch_atomic_inc_return */
+
+#ifndef arch_atomic_inc_return
+static __always_inline int
+arch_atomic_inc_return(atomic_t *v)
+{
+ return arch_atomic_add_return(1, v);
+}
+#define arch_atomic_inc_return arch_atomic_inc_return
+#endif
+
+#ifndef arch_atomic_inc_return_acquire
+static __always_inline int
+arch_atomic_inc_return_acquire(atomic_t *v)
+{
+ return arch_atomic_add_return_acquire(1, v);
+}
+#define arch_atomic_inc_return_acquire arch_atomic_inc_return_acquire
+#endif
+
+#ifndef arch_atomic_inc_return_release
+static __always_inline int
+arch_atomic_inc_return_release(atomic_t *v)
+{
+ return arch_atomic_add_return_release(1, v);
+}
+#define arch_atomic_inc_return_release arch_atomic_inc_return_release
+#endif
+
+#ifndef arch_atomic_inc_return_relaxed
+static __always_inline int
+arch_atomic_inc_return_relaxed(atomic_t *v)
+{
+ return arch_atomic_add_return_relaxed(1, v);
+}
+#define arch_atomic_inc_return_relaxed arch_atomic_inc_return_relaxed
+#endif
+
+#else /* arch_atomic_inc_return_relaxed */
+
+#ifndef arch_atomic_inc_return_acquire
+static __always_inline int
+arch_atomic_inc_return_acquire(atomic_t *v)
+{
+ int ret = arch_atomic_inc_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_inc_return_acquire arch_atomic_inc_return_acquire
+#endif
+
+#ifndef arch_atomic_inc_return_release
+static __always_inline int
+arch_atomic_inc_return_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_inc_return_relaxed(v);
+}
+#define arch_atomic_inc_return_release arch_atomic_inc_return_release
+#endif
+
+#ifndef arch_atomic_inc_return
+static __always_inline int
+arch_atomic_inc_return(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_inc_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_inc_return arch_atomic_inc_return
+#endif
+
+#endif /* arch_atomic_inc_return_relaxed */
+
+#ifndef arch_atomic_fetch_inc_relaxed
+#ifdef arch_atomic_fetch_inc
+#define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc
+#define arch_atomic_fetch_inc_release arch_atomic_fetch_inc
+#define arch_atomic_fetch_inc_relaxed arch_atomic_fetch_inc
+#endif /* arch_atomic_fetch_inc */
+
+#ifndef arch_atomic_fetch_inc
+static __always_inline int
+arch_atomic_fetch_inc(atomic_t *v)
+{
+ return arch_atomic_fetch_add(1, v);
+}
+#define arch_atomic_fetch_inc arch_atomic_fetch_inc
+#endif
+
+#ifndef arch_atomic_fetch_inc_acquire
+static __always_inline int
+arch_atomic_fetch_inc_acquire(atomic_t *v)
+{
+ return arch_atomic_fetch_add_acquire(1, v);
+}
+#define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc_acquire
+#endif
+
+#ifndef arch_atomic_fetch_inc_release
+static __always_inline int
+arch_atomic_fetch_inc_release(atomic_t *v)
+{
+ return arch_atomic_fetch_add_release(1, v);
+}
+#define arch_atomic_fetch_inc_release arch_atomic_fetch_inc_release
+#endif
+
+#ifndef arch_atomic_fetch_inc_relaxed
+static __always_inline int
+arch_atomic_fetch_inc_relaxed(atomic_t *v)
+{
+ return arch_atomic_fetch_add_relaxed(1, v);
+}
+#define arch_atomic_fetch_inc_relaxed arch_atomic_fetch_inc_relaxed
+#endif
+
+#else /* arch_atomic_fetch_inc_relaxed */
+
+#ifndef arch_atomic_fetch_inc_acquire
+static __always_inline int
+arch_atomic_fetch_inc_acquire(atomic_t *v)
+{
+ int ret = arch_atomic_fetch_inc_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc_acquire
+#endif
+
+#ifndef arch_atomic_fetch_inc_release
+static __always_inline int
+arch_atomic_fetch_inc_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_inc_relaxed(v);
+}
+#define arch_atomic_fetch_inc_release arch_atomic_fetch_inc_release
+#endif
+
+#ifndef arch_atomic_fetch_inc
+static __always_inline int
+arch_atomic_fetch_inc(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_inc_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_inc arch_atomic_fetch_inc
+#endif
+
+#endif /* arch_atomic_fetch_inc_relaxed */
+
+#ifndef arch_atomic_dec
+static __always_inline void
+arch_atomic_dec(atomic_t *v)
+{
+ arch_atomic_sub(1, v);
+}
+#define arch_atomic_dec arch_atomic_dec
+#endif
+
+#ifndef arch_atomic_dec_return_relaxed
+#ifdef arch_atomic_dec_return
+#define arch_atomic_dec_return_acquire arch_atomic_dec_return
+#define arch_atomic_dec_return_release arch_atomic_dec_return
+#define arch_atomic_dec_return_relaxed arch_atomic_dec_return
+#endif /* arch_atomic_dec_return */
+
+#ifndef arch_atomic_dec_return
+static __always_inline int
+arch_atomic_dec_return(atomic_t *v)
+{
+ return arch_atomic_sub_return(1, v);
+}
+#define arch_atomic_dec_return arch_atomic_dec_return
+#endif
+
+#ifndef arch_atomic_dec_return_acquire
+static __always_inline int
+arch_atomic_dec_return_acquire(atomic_t *v)
+{
+ return arch_atomic_sub_return_acquire(1, v);
+}
+#define arch_atomic_dec_return_acquire arch_atomic_dec_return_acquire
+#endif
+
+#ifndef arch_atomic_dec_return_release
+static __always_inline int
+arch_atomic_dec_return_release(atomic_t *v)
+{
+ return arch_atomic_sub_return_release(1, v);
+}
+#define arch_atomic_dec_return_release arch_atomic_dec_return_release
+#endif
+
+#ifndef arch_atomic_dec_return_relaxed
+static __always_inline int
+arch_atomic_dec_return_relaxed(atomic_t *v)
+{
+ return arch_atomic_sub_return_relaxed(1, v);
+}
+#define arch_atomic_dec_return_relaxed arch_atomic_dec_return_relaxed
+#endif
+
+#else /* arch_atomic_dec_return_relaxed */
+
+#ifndef arch_atomic_dec_return_acquire
+static __always_inline int
+arch_atomic_dec_return_acquire(atomic_t *v)
+{
+ int ret = arch_atomic_dec_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_dec_return_acquire arch_atomic_dec_return_acquire
+#endif
+
+#ifndef arch_atomic_dec_return_release
+static __always_inline int
+arch_atomic_dec_return_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_dec_return_relaxed(v);
+}
+#define arch_atomic_dec_return_release arch_atomic_dec_return_release
+#endif
+
+#ifndef arch_atomic_dec_return
+static __always_inline int
+arch_atomic_dec_return(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_dec_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_dec_return arch_atomic_dec_return
+#endif
+
+#endif /* arch_atomic_dec_return_relaxed */
+
+#ifndef arch_atomic_fetch_dec_relaxed
+#ifdef arch_atomic_fetch_dec
+#define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec
+#define arch_atomic_fetch_dec_release arch_atomic_fetch_dec
+#define arch_atomic_fetch_dec_relaxed arch_atomic_fetch_dec
+#endif /* arch_atomic_fetch_dec */
+
+#ifndef arch_atomic_fetch_dec
+static __always_inline int
+arch_atomic_fetch_dec(atomic_t *v)
+{
+ return arch_atomic_fetch_sub(1, v);
+}
+#define arch_atomic_fetch_dec arch_atomic_fetch_dec
+#endif
+
+#ifndef arch_atomic_fetch_dec_acquire
+static __always_inline int
+arch_atomic_fetch_dec_acquire(atomic_t *v)
+{
+ return arch_atomic_fetch_sub_acquire(1, v);
+}
+#define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec_acquire
+#endif
+
+#ifndef arch_atomic_fetch_dec_release
+static __always_inline int
+arch_atomic_fetch_dec_release(atomic_t *v)
+{
+ return arch_atomic_fetch_sub_release(1, v);
+}
+#define arch_atomic_fetch_dec_release arch_atomic_fetch_dec_release
+#endif
+
+#ifndef arch_atomic_fetch_dec_relaxed
+static __always_inline int
+arch_atomic_fetch_dec_relaxed(atomic_t *v)
+{
+ return arch_atomic_fetch_sub_relaxed(1, v);
+}
+#define arch_atomic_fetch_dec_relaxed arch_atomic_fetch_dec_relaxed
+#endif
+
+#else /* arch_atomic_fetch_dec_relaxed */
+
+#ifndef arch_atomic_fetch_dec_acquire
+static __always_inline int
+arch_atomic_fetch_dec_acquire(atomic_t *v)
+{
+ int ret = arch_atomic_fetch_dec_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec_acquire
+#endif
+
+#ifndef arch_atomic_fetch_dec_release
+static __always_inline int
+arch_atomic_fetch_dec_release(atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_dec_relaxed(v);
+}
+#define arch_atomic_fetch_dec_release arch_atomic_fetch_dec_release
+#endif
+
+#ifndef arch_atomic_fetch_dec
+static __always_inline int
+arch_atomic_fetch_dec(atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_dec_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_dec arch_atomic_fetch_dec
+#endif
+
+#endif /* arch_atomic_fetch_dec_relaxed */
+
+#ifndef arch_atomic_fetch_and_relaxed
+#define arch_atomic_fetch_and_acquire arch_atomic_fetch_and
+#define arch_atomic_fetch_and_release arch_atomic_fetch_and
+#define arch_atomic_fetch_and_relaxed arch_atomic_fetch_and
+#else /* arch_atomic_fetch_and_relaxed */
+
+#ifndef arch_atomic_fetch_and_acquire
+static __always_inline int
+arch_atomic_fetch_and_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_fetch_and_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_and_acquire arch_atomic_fetch_and_acquire
+#endif
+
+#ifndef arch_atomic_fetch_and_release
+static __always_inline int
+arch_atomic_fetch_and_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_and_relaxed(i, v);
+}
+#define arch_atomic_fetch_and_release arch_atomic_fetch_and_release
+#endif
+
+#ifndef arch_atomic_fetch_and
+static __always_inline int
+arch_atomic_fetch_and(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_and_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_and arch_atomic_fetch_and
+#endif
+
+#endif /* arch_atomic_fetch_and_relaxed */
+
+#ifndef arch_atomic_andnot
+static __always_inline void
+arch_atomic_andnot(int i, atomic_t *v)
+{
+ arch_atomic_and(~i, v);
+}
+#define arch_atomic_andnot arch_atomic_andnot
+#endif
+
+#ifndef arch_atomic_fetch_andnot_relaxed
+#ifdef arch_atomic_fetch_andnot
+#define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot
+#define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot
+#define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot
+#endif /* arch_atomic_fetch_andnot */
+
+#ifndef arch_atomic_fetch_andnot
+static __always_inline int
+arch_atomic_fetch_andnot(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_and(~i, v);
+}
+#define arch_atomic_fetch_andnot arch_atomic_fetch_andnot
+#endif
+
+#ifndef arch_atomic_fetch_andnot_acquire
+static __always_inline int
+arch_atomic_fetch_andnot_acquire(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_and_acquire(~i, v);
+}
+#define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire
+#endif
+
+#ifndef arch_atomic_fetch_andnot_release
+static __always_inline int
+arch_atomic_fetch_andnot_release(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_and_release(~i, v);
+}
+#define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release
+#endif
+
+#ifndef arch_atomic_fetch_andnot_relaxed
+static __always_inline int
+arch_atomic_fetch_andnot_relaxed(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_and_relaxed(~i, v);
+}
+#define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot_relaxed
+#endif
+
+#else /* arch_atomic_fetch_andnot_relaxed */
+
+#ifndef arch_atomic_fetch_andnot_acquire
+static __always_inline int
+arch_atomic_fetch_andnot_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_fetch_andnot_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire
+#endif
+
+#ifndef arch_atomic_fetch_andnot_release
+static __always_inline int
+arch_atomic_fetch_andnot_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_andnot_relaxed(i, v);
+}
+#define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release
+#endif
+
+#ifndef arch_atomic_fetch_andnot
+static __always_inline int
+arch_atomic_fetch_andnot(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_andnot_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_andnot arch_atomic_fetch_andnot
+#endif
+
+#endif /* arch_atomic_fetch_andnot_relaxed */
+
+#ifndef arch_atomic_fetch_or_relaxed
+#define arch_atomic_fetch_or_acquire arch_atomic_fetch_or
+#define arch_atomic_fetch_or_release arch_atomic_fetch_or
+#define arch_atomic_fetch_or_relaxed arch_atomic_fetch_or
+#else /* arch_atomic_fetch_or_relaxed */
+
+#ifndef arch_atomic_fetch_or_acquire
+static __always_inline int
+arch_atomic_fetch_or_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_fetch_or_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_or_acquire arch_atomic_fetch_or_acquire
+#endif
+
+#ifndef arch_atomic_fetch_or_release
+static __always_inline int
+arch_atomic_fetch_or_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_or_relaxed(i, v);
+}
+#define arch_atomic_fetch_or_release arch_atomic_fetch_or_release
+#endif
+
+#ifndef arch_atomic_fetch_or
+static __always_inline int
+arch_atomic_fetch_or(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_or_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_or arch_atomic_fetch_or
+#endif
+
+#endif /* arch_atomic_fetch_or_relaxed */
+
+#ifndef arch_atomic_fetch_xor_relaxed
+#define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor
+#define arch_atomic_fetch_xor_release arch_atomic_fetch_xor
+#define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor
+#else /* arch_atomic_fetch_xor_relaxed */
+
+#ifndef arch_atomic_fetch_xor_acquire
+static __always_inline int
+arch_atomic_fetch_xor_acquire(int i, atomic_t *v)
+{
+ int ret = arch_atomic_fetch_xor_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor_acquire
+#endif
+
+#ifndef arch_atomic_fetch_xor_release
+static __always_inline int
+arch_atomic_fetch_xor_release(int i, atomic_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic_fetch_xor_relaxed(i, v);
+}
+#define arch_atomic_fetch_xor_release arch_atomic_fetch_xor_release
+#endif
+
+#ifndef arch_atomic_fetch_xor
+static __always_inline int
+arch_atomic_fetch_xor(int i, atomic_t *v)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_fetch_xor_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_fetch_xor arch_atomic_fetch_xor
+#endif
+
+#endif /* arch_atomic_fetch_xor_relaxed */
+
+#ifndef arch_atomic_xchg_relaxed
+#define arch_atomic_xchg_acquire arch_atomic_xchg
+#define arch_atomic_xchg_release arch_atomic_xchg
+#define arch_atomic_xchg_relaxed arch_atomic_xchg
+#else /* arch_atomic_xchg_relaxed */
+
+#ifndef arch_atomic_xchg_acquire
+static __always_inline int
+arch_atomic_xchg_acquire(atomic_t *v, int i)
+{
+ int ret = arch_atomic_xchg_relaxed(v, i);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_xchg_acquire arch_atomic_xchg_acquire
+#endif
+
+#ifndef arch_atomic_xchg_release
+static __always_inline int
+arch_atomic_xchg_release(atomic_t *v, int i)
+{
+ __atomic_release_fence();
+ return arch_atomic_xchg_relaxed(v, i);
+}
+#define arch_atomic_xchg_release arch_atomic_xchg_release
+#endif
+
+#ifndef arch_atomic_xchg
+static __always_inline int
+arch_atomic_xchg(atomic_t *v, int i)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_xchg_relaxed(v, i);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_xchg arch_atomic_xchg
+#endif
+
+#endif /* arch_atomic_xchg_relaxed */
+
+#ifndef arch_atomic_cmpxchg_relaxed
+#define arch_atomic_cmpxchg_acquire arch_atomic_cmpxchg
+#define arch_atomic_cmpxchg_release arch_atomic_cmpxchg
+#define arch_atomic_cmpxchg_relaxed arch_atomic_cmpxchg
+#else /* arch_atomic_cmpxchg_relaxed */
+
+#ifndef arch_atomic_cmpxchg_acquire
+static __always_inline int
+arch_atomic_cmpxchg_acquire(atomic_t *v, int old, int new)
+{
+ int ret = arch_atomic_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_cmpxchg_acquire arch_atomic_cmpxchg_acquire
+#endif
+
+#ifndef arch_atomic_cmpxchg_release
+static __always_inline int
+arch_atomic_cmpxchg_release(atomic_t *v, int old, int new)
+{
+ __atomic_release_fence();
+ return arch_atomic_cmpxchg_relaxed(v, old, new);
+}
+#define arch_atomic_cmpxchg_release arch_atomic_cmpxchg_release
+#endif
+
+#ifndef arch_atomic_cmpxchg
+static __always_inline int
+arch_atomic_cmpxchg(atomic_t *v, int old, int new)
+{
+ int ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_cmpxchg arch_atomic_cmpxchg
+#endif
+
+#endif /* arch_atomic_cmpxchg_relaxed */
+
+#ifndef arch_atomic_try_cmpxchg_relaxed
+#ifdef arch_atomic_try_cmpxchg
+#define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg
+#define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg
+#define arch_atomic_try_cmpxchg_relaxed arch_atomic_try_cmpxchg
+#endif /* arch_atomic_try_cmpxchg */
+
+#ifndef arch_atomic_try_cmpxchg
+static __always_inline bool
+arch_atomic_try_cmpxchg(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = arch_atomic_cmpxchg(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg
+#endif
+
+#ifndef arch_atomic_try_cmpxchg_acquire
+static __always_inline bool
+arch_atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = arch_atomic_cmpxchg_acquire(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg_acquire
+#endif
+
+#ifndef arch_atomic_try_cmpxchg_release
+static __always_inline bool
+arch_atomic_try_cmpxchg_release(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = arch_atomic_cmpxchg_release(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg_release
+#endif
+
+#ifndef arch_atomic_try_cmpxchg_relaxed
+static __always_inline bool
+arch_atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new)
+{
+ int r, o = *old;
+ r = arch_atomic_cmpxchg_relaxed(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic_try_cmpxchg_relaxed arch_atomic_try_cmpxchg_relaxed
+#endif
+
+#else /* arch_atomic_try_cmpxchg_relaxed */
+
+#ifndef arch_atomic_try_cmpxchg_acquire
+static __always_inline bool
+arch_atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new)
+{
+ bool ret = arch_atomic_try_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg_acquire
+#endif
+
+#ifndef arch_atomic_try_cmpxchg_release
+static __always_inline bool
+arch_atomic_try_cmpxchg_release(atomic_t *v, int *old, int new)
+{
+ __atomic_release_fence();
+ return arch_atomic_try_cmpxchg_relaxed(v, old, new);
+}
+#define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg_release
+#endif
+
+#ifndef arch_atomic_try_cmpxchg
+static __always_inline bool
+arch_atomic_try_cmpxchg(atomic_t *v, int *old, int new)
+{
+ bool ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic_try_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg
+#endif
+
+#endif /* arch_atomic_try_cmpxchg_relaxed */
+
+#ifndef arch_atomic_sub_and_test
+/**
+ * arch_atomic_sub_and_test - subtract value from variable and test result
+ * @i: integer value to subtract
+ * @v: pointer of type atomic_t
+ *
+ * Atomically subtracts @i from @v and returns
+ * true if the result is zero, or false for all
+ * other cases.
+ */
+static __always_inline bool
+arch_atomic_sub_and_test(int i, atomic_t *v)
+{
+ return arch_atomic_sub_return(i, v) == 0;
+}
+#define arch_atomic_sub_and_test arch_atomic_sub_and_test
+#endif
+
+#ifndef arch_atomic_dec_and_test
+/**
+ * arch_atomic_dec_and_test - decrement and test
+ * @v: pointer of type atomic_t
+ *
+ * Atomically decrements @v by 1 and
+ * returns true if the result is 0, or false for all other
+ * cases.
+ */
+static __always_inline bool
+arch_atomic_dec_and_test(atomic_t *v)
+{
+ return arch_atomic_dec_return(v) == 0;
+}
+#define arch_atomic_dec_and_test arch_atomic_dec_and_test
+#endif
+
+#ifndef arch_atomic_inc_and_test
+/**
+ * arch_atomic_inc_and_test - increment and test
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+static __always_inline bool
+arch_atomic_inc_and_test(atomic_t *v)
+{
+ return arch_atomic_inc_return(v) == 0;
+}
+#define arch_atomic_inc_and_test arch_atomic_inc_and_test
+#endif
+
+#ifndef arch_atomic_add_negative
+/**
+ * arch_atomic_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type atomic_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static __always_inline bool
+arch_atomic_add_negative(int i, atomic_t *v)
+{
+ return arch_atomic_add_return(i, v) < 0;
+}
+#define arch_atomic_add_negative arch_atomic_add_negative
+#endif
+
+#ifndef arch_atomic_fetch_add_unless
+/**
+ * arch_atomic_fetch_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as @v was not already @u.
+ * Returns original value of @v
+ */
+static __always_inline int
+arch_atomic_fetch_add_unless(atomic_t *v, int a, int u)
+{
+ int c = arch_atomic_read(v);
+
+ do {
+ if (unlikely(c == u))
+ break;
+ } while (!arch_atomic_try_cmpxchg(v, &c, c + a));
+
+ return c;
+}
+#define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless
+#endif
+
+#ifndef arch_atomic_add_unless
+/**
+ * arch_atomic_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, if @v was not already @u.
+ * Returns true if the addition was done.
+ */
+static __always_inline bool
+arch_atomic_add_unless(atomic_t *v, int a, int u)
+{
+ return arch_atomic_fetch_add_unless(v, a, u) != u;
+}
+#define arch_atomic_add_unless arch_atomic_add_unless
+#endif
+
+#ifndef arch_atomic_inc_not_zero
+/**
+ * arch_atomic_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1, if @v is non-zero.
+ * Returns true if the increment was done.
+ */
+static __always_inline bool
+arch_atomic_inc_not_zero(atomic_t *v)
+{
+ return arch_atomic_add_unless(v, 1, 0);
+}
+#define arch_atomic_inc_not_zero arch_atomic_inc_not_zero
+#endif
+
+#ifndef arch_atomic_inc_unless_negative
+static __always_inline bool
+arch_atomic_inc_unless_negative(atomic_t *v)
+{
+ int c = arch_atomic_read(v);
+
+ do {
+ if (unlikely(c < 0))
+ return false;
+ } while (!arch_atomic_try_cmpxchg(v, &c, c + 1));
+
+ return true;
+}
+#define arch_atomic_inc_unless_negative arch_atomic_inc_unless_negative
+#endif
+
+#ifndef arch_atomic_dec_unless_positive
+static __always_inline bool
+arch_atomic_dec_unless_positive(atomic_t *v)
+{
+ int c = arch_atomic_read(v);
+
+ do {
+ if (unlikely(c > 0))
+ return false;
+ } while (!arch_atomic_try_cmpxchg(v, &c, c - 1));
+
+ return true;
+}
+#define arch_atomic_dec_unless_positive arch_atomic_dec_unless_positive
+#endif
+
+#ifndef arch_atomic_dec_if_positive
+static __always_inline int
+arch_atomic_dec_if_positive(atomic_t *v)
+{
+ int dec, c = arch_atomic_read(v);
+
+ do {
+ dec = c - 1;
+ if (unlikely(dec < 0))
+ break;
+ } while (!arch_atomic_try_cmpxchg(v, &c, dec));
+
+ return dec;
+}
+#define arch_atomic_dec_if_positive arch_atomic_dec_if_positive
+#endif
+
+#ifdef CONFIG_GENERIC_ATOMIC64
+#include <asm-generic/atomic64.h>
+#endif
+
+#ifndef arch_atomic64_read_acquire
+static __always_inline s64
+arch_atomic64_read_acquire(const atomic64_t *v)
+{
+ return smp_load_acquire(&(v)->counter);
+}
+#define arch_atomic64_read_acquire arch_atomic64_read_acquire
+#endif
+
+#ifndef arch_atomic64_set_release
+static __always_inline void
+arch_atomic64_set_release(atomic64_t *v, s64 i)
+{
+ smp_store_release(&(v)->counter, i);
+}
+#define arch_atomic64_set_release arch_atomic64_set_release
+#endif
+
+#ifndef arch_atomic64_add_return_relaxed
+#define arch_atomic64_add_return_acquire arch_atomic64_add_return
+#define arch_atomic64_add_return_release arch_atomic64_add_return
+#define arch_atomic64_add_return_relaxed arch_atomic64_add_return
+#else /* arch_atomic64_add_return_relaxed */
+
+#ifndef arch_atomic64_add_return_acquire
+static __always_inline s64
+arch_atomic64_add_return_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_add_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_add_return_acquire arch_atomic64_add_return_acquire
+#endif
+
+#ifndef arch_atomic64_add_return_release
+static __always_inline s64
+arch_atomic64_add_return_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_add_return_relaxed(i, v);
+}
+#define arch_atomic64_add_return_release arch_atomic64_add_return_release
+#endif
+
+#ifndef arch_atomic64_add_return
+static __always_inline s64
+arch_atomic64_add_return(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_add_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_add_return arch_atomic64_add_return
+#endif
+
+#endif /* arch_atomic64_add_return_relaxed */
+
+#ifndef arch_atomic64_fetch_add_relaxed
+#define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add
+#define arch_atomic64_fetch_add_release arch_atomic64_fetch_add
+#define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add
+#else /* arch_atomic64_fetch_add_relaxed */
+
+#ifndef arch_atomic64_fetch_add_acquire
+static __always_inline s64
+arch_atomic64_fetch_add_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_add_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_add_release
+static __always_inline s64
+arch_atomic64_fetch_add_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_add_relaxed(i, v);
+}
+#define arch_atomic64_fetch_add_release arch_atomic64_fetch_add_release
+#endif
+
+#ifndef arch_atomic64_fetch_add
+static __always_inline s64
+arch_atomic64_fetch_add(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_add_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_add arch_atomic64_fetch_add
+#endif
+
+#endif /* arch_atomic64_fetch_add_relaxed */
+
+#ifndef arch_atomic64_sub_return_relaxed
+#define arch_atomic64_sub_return_acquire arch_atomic64_sub_return
+#define arch_atomic64_sub_return_release arch_atomic64_sub_return
+#define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return
+#else /* arch_atomic64_sub_return_relaxed */
+
+#ifndef arch_atomic64_sub_return_acquire
+static __always_inline s64
+arch_atomic64_sub_return_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_sub_return_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_sub_return_acquire arch_atomic64_sub_return_acquire
+#endif
+
+#ifndef arch_atomic64_sub_return_release
+static __always_inline s64
+arch_atomic64_sub_return_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_sub_return_relaxed(i, v);
+}
+#define arch_atomic64_sub_return_release arch_atomic64_sub_return_release
+#endif
+
+#ifndef arch_atomic64_sub_return
+static __always_inline s64
+arch_atomic64_sub_return(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_sub_return_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_sub_return arch_atomic64_sub_return
+#endif
+
+#endif /* arch_atomic64_sub_return_relaxed */
+
+#ifndef arch_atomic64_fetch_sub_relaxed
+#define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub
+#define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub
+#define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub
+#else /* arch_atomic64_fetch_sub_relaxed */
+
+#ifndef arch_atomic64_fetch_sub_acquire
+static __always_inline s64
+arch_atomic64_fetch_sub_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_sub_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_sub_release
+static __always_inline s64
+arch_atomic64_fetch_sub_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_sub_relaxed(i, v);
+}
+#define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub_release
+#endif
+
+#ifndef arch_atomic64_fetch_sub
+static __always_inline s64
+arch_atomic64_fetch_sub(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_sub_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_sub arch_atomic64_fetch_sub
+#endif
+
+#endif /* arch_atomic64_fetch_sub_relaxed */
+
+#ifndef arch_atomic64_inc
+static __always_inline void
+arch_atomic64_inc(atomic64_t *v)
+{
+ arch_atomic64_add(1, v);
+}
+#define arch_atomic64_inc arch_atomic64_inc
+#endif
+
+#ifndef arch_atomic64_inc_return_relaxed
+#ifdef arch_atomic64_inc_return
+#define arch_atomic64_inc_return_acquire arch_atomic64_inc_return
+#define arch_atomic64_inc_return_release arch_atomic64_inc_return
+#define arch_atomic64_inc_return_relaxed arch_atomic64_inc_return
+#endif /* arch_atomic64_inc_return */
+
+#ifndef arch_atomic64_inc_return
+static __always_inline s64
+arch_atomic64_inc_return(atomic64_t *v)
+{
+ return arch_atomic64_add_return(1, v);
+}
+#define arch_atomic64_inc_return arch_atomic64_inc_return
+#endif
+
+#ifndef arch_atomic64_inc_return_acquire
+static __always_inline s64
+arch_atomic64_inc_return_acquire(atomic64_t *v)
+{
+ return arch_atomic64_add_return_acquire(1, v);
+}
+#define arch_atomic64_inc_return_acquire arch_atomic64_inc_return_acquire
+#endif
+
+#ifndef arch_atomic64_inc_return_release
+static __always_inline s64
+arch_atomic64_inc_return_release(atomic64_t *v)
+{
+ return arch_atomic64_add_return_release(1, v);
+}
+#define arch_atomic64_inc_return_release arch_atomic64_inc_return_release
+#endif
+
+#ifndef arch_atomic64_inc_return_relaxed
+static __always_inline s64
+arch_atomic64_inc_return_relaxed(atomic64_t *v)
+{
+ return arch_atomic64_add_return_relaxed(1, v);
+}
+#define arch_atomic64_inc_return_relaxed arch_atomic64_inc_return_relaxed
+#endif
+
+#else /* arch_atomic64_inc_return_relaxed */
+
+#ifndef arch_atomic64_inc_return_acquire
+static __always_inline s64
+arch_atomic64_inc_return_acquire(atomic64_t *v)
+{
+ s64 ret = arch_atomic64_inc_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_inc_return_acquire arch_atomic64_inc_return_acquire
+#endif
+
+#ifndef arch_atomic64_inc_return_release
+static __always_inline s64
+arch_atomic64_inc_return_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_inc_return_relaxed(v);
+}
+#define arch_atomic64_inc_return_release arch_atomic64_inc_return_release
+#endif
+
+#ifndef arch_atomic64_inc_return
+static __always_inline s64
+arch_atomic64_inc_return(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_inc_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_inc_return arch_atomic64_inc_return
+#endif
+
+#endif /* arch_atomic64_inc_return_relaxed */
+
+#ifndef arch_atomic64_fetch_inc_relaxed
+#ifdef arch_atomic64_fetch_inc
+#define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc
+#define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc
+#define arch_atomic64_fetch_inc_relaxed arch_atomic64_fetch_inc
+#endif /* arch_atomic64_fetch_inc */
+
+#ifndef arch_atomic64_fetch_inc
+static __always_inline s64
+arch_atomic64_fetch_inc(atomic64_t *v)
+{
+ return arch_atomic64_fetch_add(1, v);
+}
+#define arch_atomic64_fetch_inc arch_atomic64_fetch_inc
+#endif
+
+#ifndef arch_atomic64_fetch_inc_acquire
+static __always_inline s64
+arch_atomic64_fetch_inc_acquire(atomic64_t *v)
+{
+ return arch_atomic64_fetch_add_acquire(1, v);
+}
+#define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_inc_release
+static __always_inline s64
+arch_atomic64_fetch_inc_release(atomic64_t *v)
+{
+ return arch_atomic64_fetch_add_release(1, v);
+}
+#define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc_release
+#endif
+
+#ifndef arch_atomic64_fetch_inc_relaxed
+static __always_inline s64
+arch_atomic64_fetch_inc_relaxed(atomic64_t *v)
+{
+ return arch_atomic64_fetch_add_relaxed(1, v);
+}
+#define arch_atomic64_fetch_inc_relaxed arch_atomic64_fetch_inc_relaxed
+#endif
+
+#else /* arch_atomic64_fetch_inc_relaxed */
+
+#ifndef arch_atomic64_fetch_inc_acquire
+static __always_inline s64
+arch_atomic64_fetch_inc_acquire(atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_inc_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_inc_release
+static __always_inline s64
+arch_atomic64_fetch_inc_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_inc_relaxed(v);
+}
+#define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc_release
+#endif
+
+#ifndef arch_atomic64_fetch_inc
+static __always_inline s64
+arch_atomic64_fetch_inc(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_inc_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_inc arch_atomic64_fetch_inc
+#endif
+
+#endif /* arch_atomic64_fetch_inc_relaxed */
+
+#ifndef arch_atomic64_dec
+static __always_inline void
+arch_atomic64_dec(atomic64_t *v)
+{
+ arch_atomic64_sub(1, v);
+}
+#define arch_atomic64_dec arch_atomic64_dec
+#endif
+
+#ifndef arch_atomic64_dec_return_relaxed
+#ifdef arch_atomic64_dec_return
+#define arch_atomic64_dec_return_acquire arch_atomic64_dec_return
+#define arch_atomic64_dec_return_release arch_atomic64_dec_return
+#define arch_atomic64_dec_return_relaxed arch_atomic64_dec_return
+#endif /* arch_atomic64_dec_return */
+
+#ifndef arch_atomic64_dec_return
+static __always_inline s64
+arch_atomic64_dec_return(atomic64_t *v)
+{
+ return arch_atomic64_sub_return(1, v);
+}
+#define arch_atomic64_dec_return arch_atomic64_dec_return
+#endif
+
+#ifndef arch_atomic64_dec_return_acquire
+static __always_inline s64
+arch_atomic64_dec_return_acquire(atomic64_t *v)
+{
+ return arch_atomic64_sub_return_acquire(1, v);
+}
+#define arch_atomic64_dec_return_acquire arch_atomic64_dec_return_acquire
+#endif
+
+#ifndef arch_atomic64_dec_return_release
+static __always_inline s64
+arch_atomic64_dec_return_release(atomic64_t *v)
+{
+ return arch_atomic64_sub_return_release(1, v);
+}
+#define arch_atomic64_dec_return_release arch_atomic64_dec_return_release
+#endif
+
+#ifndef arch_atomic64_dec_return_relaxed
+static __always_inline s64
+arch_atomic64_dec_return_relaxed(atomic64_t *v)
+{
+ return arch_atomic64_sub_return_relaxed(1, v);
+}
+#define arch_atomic64_dec_return_relaxed arch_atomic64_dec_return_relaxed
+#endif
+
+#else /* arch_atomic64_dec_return_relaxed */
+
+#ifndef arch_atomic64_dec_return_acquire
+static __always_inline s64
+arch_atomic64_dec_return_acquire(atomic64_t *v)
+{
+ s64 ret = arch_atomic64_dec_return_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_dec_return_acquire arch_atomic64_dec_return_acquire
+#endif
+
+#ifndef arch_atomic64_dec_return_release
+static __always_inline s64
+arch_atomic64_dec_return_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_dec_return_relaxed(v);
+}
+#define arch_atomic64_dec_return_release arch_atomic64_dec_return_release
+#endif
+
+#ifndef arch_atomic64_dec_return
+static __always_inline s64
+arch_atomic64_dec_return(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_dec_return_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_dec_return arch_atomic64_dec_return
+#endif
+
+#endif /* arch_atomic64_dec_return_relaxed */
+
+#ifndef arch_atomic64_fetch_dec_relaxed
+#ifdef arch_atomic64_fetch_dec
+#define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec
+#define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec
+#define arch_atomic64_fetch_dec_relaxed arch_atomic64_fetch_dec
+#endif /* arch_atomic64_fetch_dec */
+
+#ifndef arch_atomic64_fetch_dec
+static __always_inline s64
+arch_atomic64_fetch_dec(atomic64_t *v)
+{
+ return arch_atomic64_fetch_sub(1, v);
+}
+#define arch_atomic64_fetch_dec arch_atomic64_fetch_dec
+#endif
+
+#ifndef arch_atomic64_fetch_dec_acquire
+static __always_inline s64
+arch_atomic64_fetch_dec_acquire(atomic64_t *v)
+{
+ return arch_atomic64_fetch_sub_acquire(1, v);
+}
+#define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_dec_release
+static __always_inline s64
+arch_atomic64_fetch_dec_release(atomic64_t *v)
+{
+ return arch_atomic64_fetch_sub_release(1, v);
+}
+#define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec_release
+#endif
+
+#ifndef arch_atomic64_fetch_dec_relaxed
+static __always_inline s64
+arch_atomic64_fetch_dec_relaxed(atomic64_t *v)
+{
+ return arch_atomic64_fetch_sub_relaxed(1, v);
+}
+#define arch_atomic64_fetch_dec_relaxed arch_atomic64_fetch_dec_relaxed
+#endif
+
+#else /* arch_atomic64_fetch_dec_relaxed */
+
+#ifndef arch_atomic64_fetch_dec_acquire
+static __always_inline s64
+arch_atomic64_fetch_dec_acquire(atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_dec_relaxed(v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_dec_release
+static __always_inline s64
+arch_atomic64_fetch_dec_release(atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_dec_relaxed(v);
+}
+#define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec_release
+#endif
+
+#ifndef arch_atomic64_fetch_dec
+static __always_inline s64
+arch_atomic64_fetch_dec(atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_dec_relaxed(v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_dec arch_atomic64_fetch_dec
+#endif
+
+#endif /* arch_atomic64_fetch_dec_relaxed */
+
+#ifndef arch_atomic64_fetch_and_relaxed
+#define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and
+#define arch_atomic64_fetch_and_release arch_atomic64_fetch_and
+#define arch_atomic64_fetch_and_relaxed arch_atomic64_fetch_and
+#else /* arch_atomic64_fetch_and_relaxed */
+
+#ifndef arch_atomic64_fetch_and_acquire
+static __always_inline s64
+arch_atomic64_fetch_and_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_and_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_and_release
+static __always_inline s64
+arch_atomic64_fetch_and_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_and_relaxed(i, v);
+}
+#define arch_atomic64_fetch_and_release arch_atomic64_fetch_and_release
+#endif
+
+#ifndef arch_atomic64_fetch_and
+static __always_inline s64
+arch_atomic64_fetch_and(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_and_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_and arch_atomic64_fetch_and
+#endif
+
+#endif /* arch_atomic64_fetch_and_relaxed */
+
+#ifndef arch_atomic64_andnot
+static __always_inline void
+arch_atomic64_andnot(s64 i, atomic64_t *v)
+{
+ arch_atomic64_and(~i, v);
+}
+#define arch_atomic64_andnot arch_atomic64_andnot
+#endif
+
+#ifndef arch_atomic64_fetch_andnot_relaxed
+#ifdef arch_atomic64_fetch_andnot
+#define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot
+#define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot
+#define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot
+#endif /* arch_atomic64_fetch_andnot */
+
+#ifndef arch_atomic64_fetch_andnot
+static __always_inline s64
+arch_atomic64_fetch_andnot(s64 i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_and(~i, v);
+}
+#define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot
+#endif
+
+#ifndef arch_atomic64_fetch_andnot_acquire
+static __always_inline s64
+arch_atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_and_acquire(~i, v);
+}
+#define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_andnot_release
+static __always_inline s64
+arch_atomic64_fetch_andnot_release(s64 i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_and_release(~i, v);
+}
+#define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release
+#endif
+
+#ifndef arch_atomic64_fetch_andnot_relaxed
+static __always_inline s64
+arch_atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_and_relaxed(~i, v);
+}
+#define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot_relaxed
+#endif
+
+#else /* arch_atomic64_fetch_andnot_relaxed */
+
+#ifndef arch_atomic64_fetch_andnot_acquire
+static __always_inline s64
+arch_atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_andnot_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_andnot_release
+static __always_inline s64
+arch_atomic64_fetch_andnot_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_andnot_relaxed(i, v);
+}
+#define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release
+#endif
+
+#ifndef arch_atomic64_fetch_andnot
+static __always_inline s64
+arch_atomic64_fetch_andnot(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_andnot_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot
+#endif
+
+#endif /* arch_atomic64_fetch_andnot_relaxed */
+
+#ifndef arch_atomic64_fetch_or_relaxed
+#define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or
+#define arch_atomic64_fetch_or_release arch_atomic64_fetch_or
+#define arch_atomic64_fetch_or_relaxed arch_atomic64_fetch_or
+#else /* arch_atomic64_fetch_or_relaxed */
+
+#ifndef arch_atomic64_fetch_or_acquire
+static __always_inline s64
+arch_atomic64_fetch_or_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_or_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_or_release
+static __always_inline s64
+arch_atomic64_fetch_or_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_or_relaxed(i, v);
+}
+#define arch_atomic64_fetch_or_release arch_atomic64_fetch_or_release
+#endif
+
+#ifndef arch_atomic64_fetch_or
+static __always_inline s64
+arch_atomic64_fetch_or(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_or_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_or arch_atomic64_fetch_or
+#endif
+
+#endif /* arch_atomic64_fetch_or_relaxed */
+
+#ifndef arch_atomic64_fetch_xor_relaxed
+#define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor
+#define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor
+#define arch_atomic64_fetch_xor_relaxed arch_atomic64_fetch_xor
+#else /* arch_atomic64_fetch_xor_relaxed */
+
+#ifndef arch_atomic64_fetch_xor_acquire
+static __always_inline s64
+arch_atomic64_fetch_xor_acquire(s64 i, atomic64_t *v)
+{
+ s64 ret = arch_atomic64_fetch_xor_relaxed(i, v);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor_acquire
+#endif
+
+#ifndef arch_atomic64_fetch_xor_release
+static __always_inline s64
+arch_atomic64_fetch_xor_release(s64 i, atomic64_t *v)
+{
+ __atomic_release_fence();
+ return arch_atomic64_fetch_xor_relaxed(i, v);
+}
+#define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor_release
+#endif
+
+#ifndef arch_atomic64_fetch_xor
+static __always_inline s64
+arch_atomic64_fetch_xor(s64 i, atomic64_t *v)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_fetch_xor_relaxed(i, v);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
+#endif
+
+#endif /* arch_atomic64_fetch_xor_relaxed */
+
+#ifndef arch_atomic64_xchg_relaxed
+#define arch_atomic64_xchg_acquire arch_atomic64_xchg
+#define arch_atomic64_xchg_release arch_atomic64_xchg
+#define arch_atomic64_xchg_relaxed arch_atomic64_xchg
+#else /* arch_atomic64_xchg_relaxed */
+
+#ifndef arch_atomic64_xchg_acquire
+static __always_inline s64
+arch_atomic64_xchg_acquire(atomic64_t *v, s64 i)
+{
+ s64 ret = arch_atomic64_xchg_relaxed(v, i);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_xchg_acquire arch_atomic64_xchg_acquire
+#endif
+
+#ifndef arch_atomic64_xchg_release
+static __always_inline s64
+arch_atomic64_xchg_release(atomic64_t *v, s64 i)
+{
+ __atomic_release_fence();
+ return arch_atomic64_xchg_relaxed(v, i);
+}
+#define arch_atomic64_xchg_release arch_atomic64_xchg_release
+#endif
+
+#ifndef arch_atomic64_xchg
+static __always_inline s64
+arch_atomic64_xchg(atomic64_t *v, s64 i)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_xchg_relaxed(v, i);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_xchg arch_atomic64_xchg
+#endif
+
+#endif /* arch_atomic64_xchg_relaxed */
+
+#ifndef arch_atomic64_cmpxchg_relaxed
+#define arch_atomic64_cmpxchg_acquire arch_atomic64_cmpxchg
+#define arch_atomic64_cmpxchg_release arch_atomic64_cmpxchg
+#define arch_atomic64_cmpxchg_relaxed arch_atomic64_cmpxchg
+#else /* arch_atomic64_cmpxchg_relaxed */
+
+#ifndef arch_atomic64_cmpxchg_acquire
+static __always_inline s64
+arch_atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new)
+{
+ s64 ret = arch_atomic64_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_cmpxchg_acquire arch_atomic64_cmpxchg_acquire
+#endif
+
+#ifndef arch_atomic64_cmpxchg_release
+static __always_inline s64
+arch_atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new)
+{
+ __atomic_release_fence();
+ return arch_atomic64_cmpxchg_relaxed(v, old, new);
+}
+#define arch_atomic64_cmpxchg_release arch_atomic64_cmpxchg_release
+#endif
+
+#ifndef arch_atomic64_cmpxchg
+static __always_inline s64
+arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
+{
+ s64 ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_cmpxchg arch_atomic64_cmpxchg
+#endif
+
+#endif /* arch_atomic64_cmpxchg_relaxed */
+
+#ifndef arch_atomic64_try_cmpxchg_relaxed
+#ifdef arch_atomic64_try_cmpxchg
+#define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg
+#define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg
+#define arch_atomic64_try_cmpxchg_relaxed arch_atomic64_try_cmpxchg
+#endif /* arch_atomic64_try_cmpxchg */
+
+#ifndef arch_atomic64_try_cmpxchg
+static __always_inline bool
+arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = arch_atomic64_cmpxchg(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg
+#endif
+
+#ifndef arch_atomic64_try_cmpxchg_acquire
+static __always_inline bool
+arch_atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = arch_atomic64_cmpxchg_acquire(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg_acquire
+#endif
+
+#ifndef arch_atomic64_try_cmpxchg_release
+static __always_inline bool
+arch_atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = arch_atomic64_cmpxchg_release(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg_release
+#endif
+
+#ifndef arch_atomic64_try_cmpxchg_relaxed
+static __always_inline bool
+arch_atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new)
+{
+ s64 r, o = *old;
+ r = arch_atomic64_cmpxchg_relaxed(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+#define arch_atomic64_try_cmpxchg_relaxed arch_atomic64_try_cmpxchg_relaxed
+#endif
+
+#else /* arch_atomic64_try_cmpxchg_relaxed */
+
+#ifndef arch_atomic64_try_cmpxchg_acquire
+static __always_inline bool
+arch_atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new)
+{
+ bool ret = arch_atomic64_try_cmpxchg_relaxed(v, old, new);
+ __atomic_acquire_fence();
+ return ret;
+}
+#define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg_acquire
+#endif
+
+#ifndef arch_atomic64_try_cmpxchg_release
+static __always_inline bool
+arch_atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new)
+{
+ __atomic_release_fence();
+ return arch_atomic64_try_cmpxchg_relaxed(v, old, new);
+}
+#define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg_release
+#endif
+
+#ifndef arch_atomic64_try_cmpxchg
+static __always_inline bool
+arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new)
+{
+ bool ret;
+ __atomic_pre_full_fence();
+ ret = arch_atomic64_try_cmpxchg_relaxed(v, old, new);
+ __atomic_post_full_fence();
+ return ret;
+}
+#define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg
+#endif
+
+#endif /* arch_atomic64_try_cmpxchg_relaxed */
+
+#ifndef arch_atomic64_sub_and_test
+/**
+ * arch_atomic64_sub_and_test - subtract value from variable and test result
+ * @i: integer value to subtract
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically subtracts @i from @v and returns
+ * true if the result is zero, or false for all
+ * other cases.
+ */
+static __always_inline bool
+arch_atomic64_sub_and_test(s64 i, atomic64_t *v)
+{
+ return arch_atomic64_sub_return(i, v) == 0;
+}
+#define arch_atomic64_sub_and_test arch_atomic64_sub_and_test
+#endif
+
+#ifndef arch_atomic64_dec_and_test
+/**
+ * arch_atomic64_dec_and_test - decrement and test
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically decrements @v by 1 and
+ * returns true if the result is 0, or false for all other
+ * cases.
+ */
+static __always_inline bool
+arch_atomic64_dec_and_test(atomic64_t *v)
+{
+ return arch_atomic64_dec_return(v) == 0;
+}
+#define arch_atomic64_dec_and_test arch_atomic64_dec_and_test
+#endif
+
+#ifndef arch_atomic64_inc_and_test
+/**
+ * arch_atomic64_inc_and_test - increment and test
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+static __always_inline bool
+arch_atomic64_inc_and_test(atomic64_t *v)
+{
+ return arch_atomic64_inc_return(v) == 0;
+}
+#define arch_atomic64_inc_and_test arch_atomic64_inc_and_test
+#endif
+
+#ifndef arch_atomic64_add_negative
+/**
+ * arch_atomic64_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static __always_inline bool
+arch_atomic64_add_negative(s64 i, atomic64_t *v)
+{
+ return arch_atomic64_add_return(i, v) < 0;
+}
+#define arch_atomic64_add_negative arch_atomic64_add_negative
+#endif
+
+#ifndef arch_atomic64_fetch_add_unless
+/**
+ * arch_atomic64_fetch_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic64_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as @v was not already @u.
+ * Returns original value of @v
+ */
+static __always_inline s64
+arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
+{
+ s64 c = arch_atomic64_read(v);
+
+ do {
+ if (unlikely(c == u))
+ break;
+ } while (!arch_atomic64_try_cmpxchg(v, &c, c + a));
+
+ return c;
+}
+#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
+#endif
+
+#ifndef arch_atomic64_add_unless
+/**
+ * arch_atomic64_add_unless - add unless the number is already a given value
+ * @v: pointer of type atomic64_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, if @v was not already @u.
+ * Returns true if the addition was done.
+ */
+static __always_inline bool
+arch_atomic64_add_unless(atomic64_t *v, s64 a, s64 u)
+{
+ return arch_atomic64_fetch_add_unless(v, a, u) != u;
+}
+#define arch_atomic64_add_unless arch_atomic64_add_unless
+#endif
+
+#ifndef arch_atomic64_inc_not_zero
+/**
+ * arch_atomic64_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increments @v by 1, if @v is non-zero.
+ * Returns true if the increment was done.
+ */
+static __always_inline bool
+arch_atomic64_inc_not_zero(atomic64_t *v)
+{
+ return arch_atomic64_add_unless(v, 1, 0);
+}
+#define arch_atomic64_inc_not_zero arch_atomic64_inc_not_zero
+#endif
+
+#ifndef arch_atomic64_inc_unless_negative
+static __always_inline bool
+arch_atomic64_inc_unless_negative(atomic64_t *v)
+{
+ s64 c = arch_atomic64_read(v);
+
+ do {
+ if (unlikely(c < 0))
+ return false;
+ } while (!arch_atomic64_try_cmpxchg(v, &c, c + 1));
+
+ return true;
+}
+#define arch_atomic64_inc_unless_negative arch_atomic64_inc_unless_negative
+#endif
+
+#ifndef arch_atomic64_dec_unless_positive
+static __always_inline bool
+arch_atomic64_dec_unless_positive(atomic64_t *v)
+{
+ s64 c = arch_atomic64_read(v);
+
+ do {
+ if (unlikely(c > 0))
+ return false;
+ } while (!arch_atomic64_try_cmpxchg(v, &c, c - 1));
+
+ return true;
+}
+#define arch_atomic64_dec_unless_positive arch_atomic64_dec_unless_positive
+#endif
+
+#ifndef arch_atomic64_dec_if_positive
+static __always_inline s64
+arch_atomic64_dec_if_positive(atomic64_t *v)
+{
+ s64 dec, c = arch_atomic64_read(v);
+
+ do {
+ dec = c - 1;
+ if (unlikely(dec < 0))
+ break;
+ } while (!arch_atomic64_try_cmpxchg(v, &c, dec));
+
+ return dec;
+}
+#define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive
+#endif
+
+#endif /* _LINUX_ATOMIC_FALLBACK_H */
+// 90cd26cfd69d2250303d654955a0cc12620fb91b
diff --git a/include/linux/atomic-fallback.h b/include/linux/atomic-fallback.h
index 656b5489b673..2c4927bf7b8d 100644
--- a/include/linux/atomic-fallback.h
+++ b/include/linux/atomic-fallback.h
@@ -1180,9 +1180,6 @@ atomic_dec_if_positive(atomic_t *v)
#define atomic_dec_if_positive atomic_dec_if_positive
#endif
-#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
-#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
-
#ifdef CONFIG_GENERIC_ATOMIC64
#include <asm-generic/atomic64.h>
#endif
@@ -2290,8 +2287,5 @@ atomic64_dec_if_positive(atomic64_t *v)
#define atomic64_dec_if_positive atomic64_dec_if_positive
#endif
-#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
-#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
-
#endif /* _LINUX_ATOMIC_FALLBACK_H */
-// baaf45f4c24ed88ceae58baca39d7fd80bb8101b
+// 1fac0941c79bf0ae100723cc2ac9b94061f0b67a
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 4c0d009a46f0..571a11008ab5 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -25,6 +25,12 @@
* See Documentation/memory-barriers.txt for ACQUIRE/RELEASE definitions.
*/
+#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
+#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
/*
* The idea here is to build acquire/release variants by adding explicit
* barriers on top of the relaxed variant. In the case where the relaxed
@@ -71,7 +77,12 @@
__ret; \
})
+#ifdef ARCH_ATOMIC
+#include <linux/atomic-arch-fallback.h>
+#include <asm-generic/atomic-instrumented.h>
+#else
#include <linux/atomic-fallback.h>
+#endif
#include <asm-generic/atomic-long.h>
diff --git a/scripts/atomic/fallbacks/acquire b/scripts/atomic/fallbacks/acquire
index ea489acc285e..59c00529dc7c 100755
--- a/scripts/atomic/fallbacks/acquire
+++ b/scripts/atomic/fallbacks/acquire
@@ -1,8 +1,8 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_${pfx}${name}${sfx}_acquire(${params})
+${arch}${atomic}_${pfx}${name}${sfx}_acquire(${params})
{
- ${ret} ret = ${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ ${ret} ret = ${arch}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
__atomic_acquire_fence();
return ret;
}
diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative
index 03cc2e07fac5..a66635bceefb 100755
--- a/scripts/atomic/fallbacks/add_negative
+++ b/scripts/atomic/fallbacks/add_negative
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${atomic}_add_negative - add and test if negative
+ * ${arch}${atomic}_add_negative - add and test if negative
* @i: integer value to add
* @v: pointer of type ${atomic}_t
*
@@ -9,8 +9,8 @@ cat <<EOF
* result is greater than or equal to zero.
*/
static __always_inline bool
-${atomic}_add_negative(${int} i, ${atomic}_t *v)
+${arch}${atomic}_add_negative(${int} i, ${atomic}_t *v)
{
- return ${atomic}_add_return(i, v) < 0;
+ return ${arch}${atomic}_add_return(i, v) < 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/add_unless b/scripts/atomic/fallbacks/add_unless
index daf87a04c850..2ff598a3f9ec 100755
--- a/scripts/atomic/fallbacks/add_unless
+++ b/scripts/atomic/fallbacks/add_unless
@@ -1,6 +1,6 @@
cat << EOF
/**
- * ${atomic}_add_unless - add unless the number is already a given value
+ * ${arch}${atomic}_add_unless - add unless the number is already a given value
* @v: pointer of type ${atomic}_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
@@ -9,8 +9,8 @@ cat << EOF
* Returns true if the addition was done.
*/
static __always_inline bool
-${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+${arch}${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u)
{
- return ${atomic}_fetch_add_unless(v, a, u) != u;
+ return ${arch}${atomic}_fetch_add_unless(v, a, u) != u;
}
EOF
diff --git a/scripts/atomic/fallbacks/andnot b/scripts/atomic/fallbacks/andnot
index 14efce01225a..3f18663dcefb 100755
--- a/scripts/atomic/fallbacks/andnot
+++ b/scripts/atomic/fallbacks/andnot
@@ -1,7 +1,7 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_${pfx}andnot${sfx}${order}(${int} i, ${atomic}_t *v)
+${arch}${atomic}_${pfx}andnot${sfx}${order}(${int} i, ${atomic}_t *v)
{
- ${retstmt}${atomic}_${pfx}and${sfx}${order}(~i, v);
+ ${retstmt}${arch}${atomic}_${pfx}and${sfx}${order}(~i, v);
}
EOF
diff --git a/scripts/atomic/fallbacks/dec b/scripts/atomic/fallbacks/dec
index 118282f3a5a3..e2e01f0574bb 100755
--- a/scripts/atomic/fallbacks/dec
+++ b/scripts/atomic/fallbacks/dec
@@ -1,7 +1,7 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_${pfx}dec${sfx}${order}(${atomic}_t *v)
+${arch}${atomic}_${pfx}dec${sfx}${order}(${atomic}_t *v)
{
- ${retstmt}${atomic}_${pfx}sub${sfx}${order}(1, v);
+ ${retstmt}${arch}${atomic}_${pfx}sub${sfx}${order}(1, v);
}
EOF
diff --git a/scripts/atomic/fallbacks/dec_and_test b/scripts/atomic/fallbacks/dec_and_test
index f8967a891117..e8a5e492eb5f 100755
--- a/scripts/atomic/fallbacks/dec_and_test
+++ b/scripts/atomic/fallbacks/dec_and_test
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${atomic}_dec_and_test - decrement and test
+ * ${arch}${atomic}_dec_and_test - decrement and test
* @v: pointer of type ${atomic}_t
*
* Atomically decrements @v by 1 and
@@ -8,8 +8,8 @@ cat <<EOF
* cases.
*/
static __always_inline bool
-${atomic}_dec_and_test(${atomic}_t *v)
+${arch}${atomic}_dec_and_test(${atomic}_t *v)
{
- return ${atomic}_dec_return(v) == 0;
+ return ${arch}${atomic}_dec_return(v) == 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/dec_if_positive b/scripts/atomic/fallbacks/dec_if_positive
index cfb380bd2da6..527adec89c37 100755
--- a/scripts/atomic/fallbacks/dec_if_positive
+++ b/scripts/atomic/fallbacks/dec_if_positive
@@ -1,14 +1,14 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_dec_if_positive(${atomic}_t *v)
+${arch}${atomic}_dec_if_positive(${atomic}_t *v)
{
- ${int} dec, c = ${atomic}_read(v);
+ ${int} dec, c = ${arch}${atomic}_read(v);
do {
dec = c - 1;
if (unlikely(dec < 0))
break;
- } while (!${atomic}_try_cmpxchg(v, &c, dec));
+ } while (!${arch}${atomic}_try_cmpxchg(v, &c, dec));
return dec;
}
diff --git a/scripts/atomic/fallbacks/dec_unless_positive b/scripts/atomic/fallbacks/dec_unless_positive
index 69cb7aa01f9c..dcab6848ca1e 100755
--- a/scripts/atomic/fallbacks/dec_unless_positive
+++ b/scripts/atomic/fallbacks/dec_unless_positive
@@ -1,13 +1,13 @@
cat <<EOF
static __always_inline bool
-${atomic}_dec_unless_positive(${atomic}_t *v)
+${arch}${atomic}_dec_unless_positive(${atomic}_t *v)
{
- ${int} c = ${atomic}_read(v);
+ ${int} c = ${arch}${atomic}_read(v);
do {
if (unlikely(c > 0))
return false;
- } while (!${atomic}_try_cmpxchg(v, &c, c - 1));
+ } while (!${arch}${atomic}_try_cmpxchg(v, &c, c - 1));
return true;
}
diff --git a/scripts/atomic/fallbacks/fence b/scripts/atomic/fallbacks/fence
index 92a3a4691bab..3764fc8ce945 100755
--- a/scripts/atomic/fallbacks/fence
+++ b/scripts/atomic/fallbacks/fence
@@ -1,10 +1,10 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_${pfx}${name}${sfx}(${params})
+${arch}${atomic}_${pfx}${name}${sfx}(${params})
{
${ret} ret;
__atomic_pre_full_fence();
- ret = ${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ ret = ${arch}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
__atomic_post_full_fence();
return ret;
}
diff --git a/scripts/atomic/fallbacks/fetch_add_unless b/scripts/atomic/fallbacks/fetch_add_unless
index fffbc0d16fdf..0e0b9aef1515 100755
--- a/scripts/atomic/fallbacks/fetch_add_unless
+++ b/scripts/atomic/fallbacks/fetch_add_unless
@@ -1,6 +1,6 @@
cat << EOF
/**
- * ${atomic}_fetch_add_unless - add unless the number is already a given value
+ * ${arch}${atomic}_fetch_add_unless - add unless the number is already a given value
* @v: pointer of type ${atomic}_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
@@ -9,14 +9,14 @@ cat << EOF
* Returns original value of @v
*/
static __always_inline ${int}
-${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+${arch}${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
{
- ${int} c = ${atomic}_read(v);
+ ${int} c = ${arch}${atomic}_read(v);
do {
if (unlikely(c == u))
break;
- } while (!${atomic}_try_cmpxchg(v, &c, c + a));
+ } while (!${arch}${atomic}_try_cmpxchg(v, &c, c + a));
return c;
}
diff --git a/scripts/atomic/fallbacks/inc b/scripts/atomic/fallbacks/inc
index 10751cd62829..15ec62946e8c 100755
--- a/scripts/atomic/fallbacks/inc
+++ b/scripts/atomic/fallbacks/inc
@@ -1,7 +1,7 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
+${arch}${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
{
- ${retstmt}${atomic}_${pfx}add${sfx}${order}(1, v);
+ ${retstmt}${arch}${atomic}_${pfx}add${sfx}${order}(1, v);
}
EOF
diff --git a/scripts/atomic/fallbacks/inc_and_test b/scripts/atomic/fallbacks/inc_and_test
index 4acea9c93604..cecc8322a21f 100755
--- a/scripts/atomic/fallbacks/inc_and_test
+++ b/scripts/atomic/fallbacks/inc_and_test
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${atomic}_inc_and_test - increment and test
+ * ${arch}${atomic}_inc_and_test - increment and test
* @v: pointer of type ${atomic}_t
*
* Atomically increments @v by 1
@@ -8,8 +8,8 @@ cat <<EOF
* other cases.
*/
static __always_inline bool
-${atomic}_inc_and_test(${atomic}_t *v)
+${arch}${atomic}_inc_and_test(${atomic}_t *v)
{
- return ${atomic}_inc_return(v) == 0;
+ return ${arch}${atomic}_inc_return(v) == 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/inc_not_zero b/scripts/atomic/fallbacks/inc_not_zero
index d9f7b97aab42..50f2d4d48279 100755
--- a/scripts/atomic/fallbacks/inc_not_zero
+++ b/scripts/atomic/fallbacks/inc_not_zero
@@ -1,14 +1,14 @@
cat <<EOF
/**
- * ${atomic}_inc_not_zero - increment unless the number is zero
+ * ${arch}${atomic}_inc_not_zero - increment unless the number is zero
* @v: pointer of type ${atomic}_t
*
* Atomically increments @v by 1, if @v is non-zero.
* Returns true if the increment was done.
*/
static __always_inline bool
-${atomic}_inc_not_zero(${atomic}_t *v)
+${arch}${atomic}_inc_not_zero(${atomic}_t *v)
{
- return ${atomic}_add_unless(v, 1, 0);
+ return ${arch}${atomic}_add_unless(v, 1, 0);
}
EOF
diff --git a/scripts/atomic/fallbacks/inc_unless_negative b/scripts/atomic/fallbacks/inc_unless_negative
index 177a7cb51eda..87629e0d4a80 100755
--- a/scripts/atomic/fallbacks/inc_unless_negative
+++ b/scripts/atomic/fallbacks/inc_unless_negative
@@ -1,13 +1,13 @@
cat <<EOF
static __always_inline bool
-${atomic}_inc_unless_negative(${atomic}_t *v)
+${arch}${atomic}_inc_unless_negative(${atomic}_t *v)
{
- ${int} c = ${atomic}_read(v);
+ ${int} c = ${arch}${atomic}_read(v);
do {
if (unlikely(c < 0))
return false;
- } while (!${atomic}_try_cmpxchg(v, &c, c + 1));
+ } while (!${arch}${atomic}_try_cmpxchg(v, &c, c + 1));
return true;
}
diff --git a/scripts/atomic/fallbacks/read_acquire b/scripts/atomic/fallbacks/read_acquire
index 12fa83cb3a6d..341a88dccaa7 100755
--- a/scripts/atomic/fallbacks/read_acquire
+++ b/scripts/atomic/fallbacks/read_acquire
@@ -1,6 +1,6 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_read_acquire(const ${atomic}_t *v)
+${arch}${atomic}_read_acquire(const ${atomic}_t *v)
{
return smp_load_acquire(&(v)->counter);
}
diff --git a/scripts/atomic/fallbacks/release b/scripts/atomic/fallbacks/release
index 730d2a6d3e07..f8906d537c0f 100755
--- a/scripts/atomic/fallbacks/release
+++ b/scripts/atomic/fallbacks/release
@@ -1,8 +1,8 @@
cat <<EOF
static __always_inline ${ret}
-${atomic}_${pfx}${name}${sfx}_release(${params})
+${arch}${atomic}_${pfx}${name}${sfx}_release(${params})
{
__atomic_release_fence();
- ${retstmt}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ ${retstmt}${arch}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
}
EOF
diff --git a/scripts/atomic/fallbacks/set_release b/scripts/atomic/fallbacks/set_release
index e5d72c717434..76068272d5f5 100755
--- a/scripts/atomic/fallbacks/set_release
+++ b/scripts/atomic/fallbacks/set_release
@@ -1,6 +1,6 @@
cat <<EOF
static __always_inline void
-${atomic}_set_release(${atomic}_t *v, ${int} i)
+${arch}${atomic}_set_release(${atomic}_t *v, ${int} i)
{
smp_store_release(&(v)->counter, i);
}
diff --git a/scripts/atomic/fallbacks/sub_and_test b/scripts/atomic/fallbacks/sub_and_test
index 6cfe4ed49746..c580f4c2136e 100755
--- a/scripts/atomic/fallbacks/sub_and_test
+++ b/scripts/atomic/fallbacks/sub_and_test
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${atomic}_sub_and_test - subtract value from variable and test result
+ * ${arch}${atomic}_sub_and_test - subtract value from variable and test result
* @i: integer value to subtract
* @v: pointer of type ${atomic}_t
*
@@ -9,8 +9,8 @@ cat <<EOF
* other cases.
*/
static __always_inline bool
-${atomic}_sub_and_test(${int} i, ${atomic}_t *v)
+${arch}${atomic}_sub_and_test(${int} i, ${atomic}_t *v)
{
- return ${atomic}_sub_return(i, v) == 0;
+ return ${arch}${atomic}_sub_return(i, v) == 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/try_cmpxchg b/scripts/atomic/fallbacks/try_cmpxchg
index c7a26213b978..06db0f738e45 100755
--- a/scripts/atomic/fallbacks/try_cmpxchg
+++ b/scripts/atomic/fallbacks/try_cmpxchg
@@ -1,9 +1,9 @@
cat <<EOF
static __always_inline bool
-${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
+${arch}${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
{
${int} r, o = *old;
- r = ${atomic}_cmpxchg${order}(v, o, new);
+ r = ${arch}${atomic}_cmpxchg${order}(v, o, new);
if (unlikely(r != o))
*old = r;
return likely(r == o);
diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh
index b6c6f5d306a7..0fd1cf0c2b94 100755
--- a/scripts/atomic/gen-atomic-fallback.sh
+++ b/scripts/atomic/gen-atomic-fallback.sh
@@ -2,10 +2,11 @@
# SPDX-License-Identifier: GPL-2.0
ATOMICDIR=$(dirname $0)
+ARCH=$2
. ${ATOMICDIR}/atomic-tbl.sh
-#gen_template_fallback(template, meta, pfx, name, sfx, order, atomic, int, args...)
+#gen_template_fallback(template, meta, pfx, name, sfx, order, arch, atomic, int, args...)
gen_template_fallback()
{
local template="$1"; shift
@@ -14,10 +15,11 @@ gen_template_fallback()
local name="$1"; shift
local sfx="$1"; shift
local order="$1"; shift
+ local arch="$1"; shift
local atomic="$1"; shift
local int="$1"; shift
- local atomicname="${atomic}_${pfx}${name}${sfx}${order}"
+ local atomicname="${arch}${atomic}_${pfx}${name}${sfx}${order}"
local ret="$(gen_ret_type "${meta}" "${int}")"
local retstmt="$(gen_ret_stmt "${meta}")"
@@ -32,7 +34,7 @@ gen_template_fallback()
fi
}
-#gen_proto_fallback(meta, pfx, name, sfx, order, atomic, int, args...)
+#gen_proto_fallback(meta, pfx, name, sfx, order, arch, atomic, int, args...)
gen_proto_fallback()
{
local meta="$1"; shift
@@ -56,16 +58,17 @@ cat << EOF
EOF
}
-#gen_proto_order_variants(meta, pfx, name, sfx, atomic, int, args...)
+#gen_proto_order_variants(meta, pfx, name, sfx, arch, atomic, int, args...)
gen_proto_order_variants()
{
local meta="$1"; shift
local pfx="$1"; shift
local name="$1"; shift
local sfx="$1"; shift
- local atomic="$1"
+ local arch="$1"
+ local atomic="$2"
- local basename="${atomic}_${pfx}${name}${sfx}"
+ local basename="${arch}${atomic}_${pfx}${name}${sfx}"
local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
@@ -94,7 +97,7 @@ gen_proto_order_variants()
gen_basic_fallbacks "${basename}"
if [ ! -z "${template}" ]; then
- printf "#endif /* ${atomic}_${pfx}${name}${sfx} */\n\n"
+ printf "#endif /* ${arch}${atomic}_${pfx}${name}${sfx} */\n\n"
gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
@@ -153,18 +156,15 @@ cat << EOF
EOF
-for xchg in "xchg" "cmpxchg" "cmpxchg64"; do
+for xchg in "${ARCH}xchg" "${ARCH}cmpxchg" "${ARCH}cmpxchg64"; do
gen_xchg_fallbacks "${xchg}"
done
grep '^[a-z]' "$1" | while read name meta args; do
- gen_proto "${meta}" "${name}" "atomic" "int" ${args}
+ gen_proto "${meta}" "${name}" "${ARCH}" "atomic" "int" ${args}
done
cat <<EOF
-#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
-#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
-
#ifdef CONFIG_GENERIC_ATOMIC64
#include <asm-generic/atomic64.h>
#endif
@@ -172,12 +172,9 @@ cat <<EOF
EOF
grep '^[a-z]' "$1" | while read name meta args; do
- gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
+ gen_proto "${meta}" "${name}" "${ARCH}" "atomic64" "s64" ${args}
done
cat <<EOF
-#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
-#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
-
#endif /* _LINUX_ATOMIC_FALLBACK_H */
EOF
diff --git a/scripts/atomic/gen-atomics.sh b/scripts/atomic/gen-atomics.sh
index 000dc6437893..d29e159ef489 100644
--- a/scripts/atomic/gen-atomics.sh
+++ b/scripts/atomic/gen-atomics.sh
@@ -10,10 +10,11 @@ LINUXDIR=${ATOMICDIR}/../..
cat <<EOF |
gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h
gen-atomic-long.sh asm-generic/atomic-long.h
+gen-atomic-fallback.sh linux/atomic-arch-fallback.h arch_
gen-atomic-fallback.sh linux/atomic-fallback.h
EOF
-while read script header; do
- /bin/sh ${ATOMICDIR}/${script} ${ATOMICTBL} > ${LINUXDIR}/include/${header}
+while read script header args; do
+ /bin/sh ${ATOMICDIR}/${script} ${ATOMICTBL} ${args} > ${LINUXDIR}/include/${header}
HASH="$(sha1sum ${LINUXDIR}/include/${header})"
HASH="${HASH%% *}"
printf "// %s\n" "${HASH}" >> ${LINUXDIR}/include/${header}