From: Peter Zijlstra <peterz@infradead.org>
Date: Wed, 23 Apr 2014 14:12:30 +0000 (+0200)
Subject: locking,arch: Rewrite generic atomic support
X-Git-Tag: fixes-against-v3.18-rc2~102^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=560cb12a4080a48b84da8b96878cafbd193c4d64;p=pandora-kernel.git

locking,arch: Rewrite generic atomic support

Rewrite generic atomic support to only require cmpxchg(), generate all
other primitives from that.

Furthermore reduce the endless repetition for all these primitives to
a few CPP macros. This way we get more for less lines.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140508135852.940119622@infradead.org
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

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