Re: [PATCH v2] atomics,cmpxchg: Privatize the inclusion of asm/cmpxchg.h

From: Greg Kroah-Hartman
Date: Wed Sep 09 2015 - 14:51:15 EST


On Wed, Sep 09, 2015 at 09:27:04AM +0800, Boqun Feng wrote:
> After commit:
>
> atomics: add acquire/release/relaxed variants of some atomic operations
>
> Architectures may only provide {cmp,}xchg_relaxed definitions in
> asm/cmpxchg.h. Other variants, such as {cmp,}xchg, may be built in
> linux/atomic.h, which means simply including asm/cmpxchg.h may not get
> the definitions of all the{cmp,}xchg variants. Therefore, we should
> privatize the inclusions of asm/cmpxchg.h to keep it only included in
> arch/* and replace the inclusions outside with linux/atomic.h
>
> Acked-by: Will Deacon <will.deacon@xxxxxxx>
> Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx>
> ---
> v1 --> v2:
> 1. rebase on current master branch of tip tree
> 2. remove documentation modification
>

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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