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locking/x86: Remove the unused atomic_inc_short() methd

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It is completely unused and implemented only on x86.
Remove it.

Suggested-by: Mark Rutland <[email protected]>
Signed-off-by: Dmitry Vyukov <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Dmitry Vyukov 2017-05-26 19:29:00 +02:00 • committed by Ingo Molnar
commit 31b35f6b4d
2 changed files with 1 additions and 15 deletions
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3
arch/tile/lib/atomic_asm_32.S
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@ -24,8 +24,7 @@
* has an opportunity to return -EFAULT to the user if needed.
* The 64-bit routines just return a "long long" with the value,
* since they are only used from kernel space and don't expect to fault.
* Support for 16-bit ops is included in the framework but we don't provide
* any (x86_64 has an atomic_inc_short(), so we might want to some day).
* Support for 16-bit ops is included in the framework but we don't provide any.
*
* Note that the caller is advised to issue a suitable L1 or L2
* prefetch on the address being manipulated to avoid extra stalls.