lkml.org 
[lkml]   [2017]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Commit-ID:  ff5060d9b2a73917dbf52654e29b08018e22a1f9
Gitweb: http://git.kernel.org/tip/ff5060d9b2a73917dbf52654e29b08018e22a1f9
Author: Dmitry Vyukov <dvyukov@google.com>
AuthorDate: Sat, 17 Jun 2017 11:15:29 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 22 Jun 2017 10:20:12 +0200

locking/atomic: Add asm-generic/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@google.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: kasan-dev@googlegroups.com
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/4ffbfa72c29134ac87b1f69da1506a5720590b5d.1497690003.git.dvyukov@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
include/asm-generic/atomic-instrumented.h | 316 ++++++++++++++++++++++++++++++
1 file changed, 316 insertions(+)

diff --git a/include/asm-generic/atomic-instrumented.h b/include/asm-generic/atomic-instrumented.h
new file mode 100644
index 0000000..50401d9
--- /dev/null
+++ b/include/asm-generic/atomic-instrumented.h
@@ -0,0 +1,316 @@
+#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 s64 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, s64 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 s64 atomic64_xchg(atomic64_t *v, s64 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 s64 atomic64_cmpxchg(atomic64_t *v, s64 old, s64 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, s64 *old, s64 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, s64 a, s64 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(s64 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(s64 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(s64 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(s64 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(s64 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 s64 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 s64 atomic64_dec_return(atomic64_t *v)
+{
+ return arch_atomic64_dec_return(v);
+}
+
+static __always_inline s64 atomic64_inc_not_zero(atomic64_t *v)
+{
+ return arch_atomic64_inc_not_zero(v);
+}
+
+static __always_inline s64 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 s64 atomic64_add_return(s64 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 s64 atomic64_sub_return(s64 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 s64 atomic64_fetch_add(s64 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 s64 atomic64_fetch_sub(s64 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 s64 atomic64_fetch_and(s64 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 s64 atomic64_fetch_or(s64 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 s64 atomic64_fetch_xor(s64 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(s64 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(s64 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 */
\
 
 \ /
  Last update: 2017-06-22 20:02    [W:0.095 / U:2.992 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site