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atomic_t: unify all arch definitions

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The atomic_t type cannot currently be used in some header files because it
would create an include loop with asm/atomic.h.  Move the type definition
to linux/types.h to break the loop.

Signed-off-by: Matthew Wilcox <[email protected]>
Cc: Huang Ying <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Matthew Wilcox 2009-01-06 14:40:39 -08:00 • committed by Linus Torvalds
commit ea43546750
23 changed files with 33 additions and 104 deletions
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9
arch/alpha/include/asm/atomic.h
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@ -1,6 +1,7 @@
#ifndef _ALPHA_ATOMIC_H
#define _ALPHA_ATOMIC_H
#include <linux/types.h>
#include <asm/barrier.h>
#include <asm/system.h>
@ -13,14 +14,6 @@
*/
/*
* Counter is volatile to make sure gcc doesn't try to be clever
* and move things around on us. We need to use _exactly_ the address
* the user gave us, not some alias that contains the same information.
*/
typedef struct { volatile int counter; } atomic_t;
typedef struct { volatile long counter; } atomic64_t;
#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
#define ATOMIC64_INIT(i) ( (atomic64_t) { (i) } )