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author	Boqun Feng <boqun.feng@gmail.com>
	Tue, 15 Dec 2015 14:24:16 +0000 (22:24 +0800)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Wed, 17 Feb 2016 13:11:31 +0000 (00:11 +1100)
commit	26760fc19a7e663e4f49d586aca6740fb21d887d
tree	8c73bf998f486b3d16129566cae55049e27c764f	tree \| snapshot
parent	dc53617c4a3f6ca35641dfd4279720365ce9f4da	commit \| diff

powerpc: atomic: Implement acquire/release/relaxed variants for xchg

Implement xchg{,64}_relaxed and atomic{,64}_xchg_relaxed, based on these
_relaxed variants, release/acquire variants and fully ordered versions
can be built.

Note that xchg{,64}_relaxed and atomic_{,64}_xchg_relaxed are not
compiler barriers.

Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/include/asm/atomic.h		diff \| blob \| blame \| history
arch/powerpc/include/asm/cmpxchg.h		diff \| blob \| blame \| history

Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

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