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[PATCH] mm: fill arch atomic64 gaps

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alpha, sparc64, x86_64 are each missing some primitives from their atomic64
support: fill in the gaps I've noticed by extrapolating asm, follow the
groupings in each file.  But powerpc and parisc still lack atomic64.

Signed-off-by: Hugh Dickins <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Nick Piggin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Hugh Dickins 2005-11-23 13:37:40 -08:00 • committed by Linus Torvalds
commit 7c72aaf296
3 changed files with 44 additions and 15 deletions
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1
include/asm-sparc64/atomic.h
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@ -54,6 +54,7 @@ extern int atomic64_sub_ret(int, atomic64_t *);
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
#define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0)
#define atomic64_sub_and_test(i, v) (atomic64_sub_ret(i, v) == 0)