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Message-Id: <a5503f1478733da6710cf27fd2ca0ad7464a6b32.1495825151.git.dvyukov@google.com>
Date: Fri, 26 May 2017 21:09:05 +0200
From: Dmitry Vyukov <dvyukov@...gle.com>
To: mark.rutland@....com, peterz@...radead.org, mingo@...hat.com,
will.deacon@....com
Cc: akpm@...ux-foundation.org, aryabinin@...tuozzo.com,
kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org,
x86@...nel.org, tglx@...utronix.de, hpa@...or.com,
willy@...radead.org, Dmitry Vyukov <dvyukov@...gle.com>,
linux-mm@...ck.org
Subject: [PATCH v2 3/7] asm-generic: add atomic-instrumented.h
The new header allows to wrap per-arch atomic operations
and add common functionality to all of them.
Signed-off-by: Dmitry Vyukov <dvyukov@...gle.com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Will Deacon <will.deacon@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andrey Ryabinin <aryabinin@...tuozzo.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: kasan-dev@...glegroups.com
Cc: linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org
Cc: x86@...nel.org
---
include/asm-generic/atomic-instrumented.h | 319 ++++++++++++++++++++++++++++++
1 file changed, 319 insertions(+)
diff --git a/include/asm-generic/atomic-instrumented.h b/include/asm-generic/atomic-instrumented.h
new file mode 100644
index 000000000000..fd483115d4c6
--- /dev/null
+++ b/include/asm-generic/atomic-instrumented.h
@@ -0,0 +1,319 @@
+#ifndef _LINUX_ATOMIC_INSTRUMENTED_H
+#define _LINUX_ATOMIC_INSTRUMENTED_H
+
+static __always_inline int atomic_read(const atomic_t *v)
+{
+ return arch_atomic_read(v);
+}
+
+static __always_inline long long atomic64_read(const atomic64_t *v)
+{
+ return arch_atomic64_read(v);
+}
+
+static __always_inline void atomic_set(atomic_t *v, int i)
+{
+ arch_atomic_set(v, i);
+}
+
+static __always_inline void atomic64_set(atomic64_t *v, long long i)
+{
+ arch_atomic64_set(v, i);
+}
+
+static __always_inline int atomic_xchg(atomic_t *v, int i)
+{
+ return arch_atomic_xchg(v, i);
+}
+
+static __always_inline long long atomic64_xchg(atomic64_t *v, long long i)
+{
+ return arch_atomic64_xchg(v, i);
+}
+
+static __always_inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+{
+ return arch_atomic_cmpxchg(v, old, new);
+}
+
+static __always_inline long long atomic64_cmpxchg(atomic64_t *v, long long old,
+ long long new)
+{
+ return arch_atomic64_cmpxchg(v, old, new);
+}
+
+#ifdef arch_atomic_try_cmpxchg
+#define atomic_try_cmpxchg atomic_try_cmpxchg
+static __always_inline bool atomic_try_cmpxchg(atomic_t *v, int *old, int new)
+{
+ return arch_atomic_try_cmpxchg(v, old, new);
+}
+#endif
+
+#ifdef arch_atomic64_try_cmpxchg
+#define atomic64_try_cmpxchg atomic64_try_cmpxchg
+static __always_inline bool atomic64_try_cmpxchg(atomic64_t *v, long long *old,
+ long long new)
+{
+ return arch_atomic64_try_cmpxchg(v, old, new);
+}
+#endif
+
+static __always_inline int __atomic_add_unless(atomic_t *v, int a, int u)
+{
+ return __arch_atomic_add_unless(v, a, u);
+}
+
+
+static __always_inline bool atomic64_add_unless(atomic64_t *v, long long a,
+ long long u)
+{
+ return arch_atomic64_add_unless(v, a, u);
+}
+
+static __always_inline void atomic_inc(atomic_t *v)
+{
+ arch_atomic_inc(v);
+}
+
+static __always_inline void atomic64_inc(atomic64_t *v)
+{
+ arch_atomic64_inc(v);
+}
+
+static __always_inline void atomic_dec(atomic_t *v)
+{
+ arch_atomic_dec(v);
+}
+
+static __always_inline void atomic64_dec(atomic64_t *v)
+{
+ arch_atomic64_dec(v);
+}
+
+static __always_inline void atomic_add(int i, atomic_t *v)
+{
+ arch_atomic_add(i, v);
+}
+
+static __always_inline void atomic64_add(long long i, atomic64_t *v)
+{
+ arch_atomic64_add(i, v);
+}
+
+static __always_inline void atomic_sub(int i, atomic_t *v)
+{
+ arch_atomic_sub(i, v);
+}
+
+static __always_inline void atomic64_sub(long long i, atomic64_t *v)
+{
+ arch_atomic64_sub(i, v);
+}
+
+static __always_inline void atomic_and(int i, atomic_t *v)
+{
+ arch_atomic_and(i, v);
+}
+
+static __always_inline void atomic64_and(long long i, atomic64_t *v)
+{
+ arch_atomic64_and(i, v);
+}
+
+static __always_inline void atomic_or(int i, atomic_t *v)
+{
+ arch_atomic_or(i, v);
+}
+
+static __always_inline void atomic64_or(long long i, atomic64_t *v)
+{
+ arch_atomic64_or(i, v);
+}
+
+static __always_inline void atomic_xor(int i, atomic_t *v)
+{
+ arch_atomic_xor(i, v);
+}
+
+static __always_inline void atomic64_xor(long long i, atomic64_t *v)
+{
+ arch_atomic64_xor(i, v);
+}
+
+static __always_inline int atomic_inc_return(atomic_t *v)
+{
+ return arch_atomic_inc_return(v);
+}
+
+static __always_inline long long atomic64_inc_return(atomic64_t *v)
+{
+ return arch_atomic64_inc_return(v);
+}
+
+static __always_inline int atomic_dec_return(atomic_t *v)
+{
+ return arch_atomic_dec_return(v);
+}
+
+static __always_inline long long atomic64_dec_return(atomic64_t *v)
+{
+ return arch_atomic64_dec_return(v);
+}
+
+static __always_inline long long atomic64_inc_not_zero(atomic64_t *v)
+{
+ return arch_atomic64_inc_not_zero(v);
+}
+
+static __always_inline long long atomic64_dec_if_positive(atomic64_t *v)
+{
+ return arch_atomic64_dec_if_positive(v);
+}
+
+static __always_inline bool atomic_dec_and_test(atomic_t *v)
+{
+ return arch_atomic_dec_and_test(v);
+}
+
+static __always_inline bool atomic64_dec_and_test(atomic64_t *v)
+{
+ return arch_atomic64_dec_and_test(v);
+}
+
+static __always_inline bool atomic_inc_and_test(atomic_t *v)
+{
+ return arch_atomic_inc_and_test(v);
+}
+
+static __always_inline bool atomic64_inc_and_test(atomic64_t *v)
+{
+ return arch_atomic64_inc_and_test(v);
+}
+
+static __always_inline int atomic_add_return(int i, atomic_t *v)
+{
+ return arch_atomic_add_return(i, v);
+}
+
+static __always_inline long long atomic64_add_return(long long i, atomic64_t *v)
+{
+ return arch_atomic64_add_return(i, v);
+}
+
+static __always_inline int atomic_sub_return(int i, atomic_t *v)
+{
+ return arch_atomic_sub_return(i, v);
+}
+
+static __always_inline long long atomic64_sub_return(long long i, atomic64_t *v)
+{
+ return arch_atomic64_sub_return(i, v);
+}
+
+static __always_inline int atomic_fetch_add(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_add(i, v);
+}
+
+static __always_inline long long atomic64_fetch_add(long long i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_add(i, v);
+}
+
+static __always_inline int atomic_fetch_sub(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_sub(i, v);
+}
+
+static __always_inline long long atomic64_fetch_sub(long long i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_sub(i, v);
+}
+
+static __always_inline int atomic_fetch_and(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_and(i, v);
+}
+
+static __always_inline long long atomic64_fetch_and(long long i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_and(i, v);
+}
+
+static __always_inline int atomic_fetch_or(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_or(i, v);
+}
+
+static __always_inline long long atomic64_fetch_or(long long i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_or(i, v);
+}
+
+static __always_inline int atomic_fetch_xor(int i, atomic_t *v)
+{
+ return arch_atomic_fetch_xor(i, v);
+}
+
+static __always_inline long long atomic64_fetch_xor(long long i, atomic64_t *v)
+{
+ return arch_atomic64_fetch_xor(i, v);
+}
+
+static __always_inline bool atomic_sub_and_test(int i, atomic_t *v)
+{
+ return arch_atomic_sub_and_test(i, v);
+}
+
+static __always_inline bool atomic64_sub_and_test(long long i, atomic64_t *v)
+{
+ return arch_atomic64_sub_and_test(i, v);
+}
+
+static __always_inline bool atomic_add_negative(int i, atomic_t *v)
+{
+ return arch_atomic_add_negative(i, v);
+}
+
+static __always_inline bool atomic64_add_negative(long long i, atomic64_t *v)
+{
+ return arch_atomic64_add_negative(i, v);
+}
+
+#define cmpxchg(ptr, old, new) \
+({ \
+ arch_cmpxchg((ptr), (old), (new)); \
+})
+
+#define sync_cmpxchg(ptr, old, new) \
+({ \
+ arch_sync_cmpxchg((ptr), (old), (new)); \
+})
+
+#define cmpxchg_local(ptr, old, new) \
+({ \
+ arch_cmpxchg_local((ptr), (old), (new)); \
+})
+
+#define cmpxchg64(ptr, old, new) \
+({ \
+ arch_cmpxchg64((ptr), (old), (new)); \
+})
+
+#define cmpxchg64_local(ptr, old, new) \
+({ \
+ arch_cmpxchg64_local((ptr), (old), (new)); \
+})
+
+#define cmpxchg_double(p1, p2, o1, o2, n1, n2) \
+({ \
+ arch_cmpxchg_double((p1), (p2), (o1), (o2), (n1), (n2)); \
+})
+
+#define cmpxchg_double_local(p1, p2, o1, o2, n1, n2) \
+({ \
+ arch_cmpxchg_double_local((p1), (p2), (o1), (o2), (n1), (n2)); \
+})
+
+#endif /* _LINUX_ATOMIC_INSTRUMENTED_H */
--
2.13.0.219.gdb65acc882-goog
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