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kernel: atomic_*() functions rework

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* No need for the atomically changed variables to be declared as
   volatile.
 * Drop support for atomically getting and setting unaligned data.
 * Introduce atomic_get_and_set[64]() which works the same as
   atomic_set[64]() used to. atomic_set[64]() does not return the
   previous value anymore.
This commit is contained in:
Pawel Dziepak
2013-11-05 22:32:59 +01:00
parent e7dba861fd
commit 077c84eb27
47 changed files with 360 additions and 253 deletions
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headers/private/firewire/fwglue.h
+1 -1
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@@ -30,7 +30,7 @@
typedef uint32_t bus_addr_t;
typedef uint32_t bus_size_t;
#define atomic_readandclear_int(ptr) atomic_set((int32 *)(ptr), 0)
#define atomic_readandclear_int(ptr) atomic_get_and_set((int32*)(ptr), 0)
#define atomic_set_int(ptr, value) atomic_or((int32 *)(ptr), value)
#define mtx_lock mutex_lock