From: David S. Miller <davem@davemloft.net>
Date: Thu, 15 Sep 2005 04:47:01 +0000 (-0700)
Subject: [LIB]: Consolidate _atomic_dec_and_lock()
X-Git-Tag: v2.6.14-rc2~13^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4db2ce0199f04b6e99999f22e28ef9a0ae5f0d2f;p=pandora-kernel.git

[LIB]: Consolidate _atomic_dec_and_lock()

Several implementations were essentialy a common piece of C code using
the cmpxchg() macro.  Put the implementation in one spot that everyone
can share, and convert sparc64 over to using this.

Alpha is the lone arch-specific implementation, which codes up a
special fast path for the common case in order to avoid GP reloading
which a pure C version would require.

Signed-off-by: David S. Miller <davem@davemloft.net>
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