From: David Howells <dhowells@redhat.com>
Date: Thu, 10 Apr 2008 15:10:55 +0000 (+0100)
Subject: FRV: Add support for emulation of userspace atomic ops [try #2]
X-Git-Tag: v2.6.25-rc9~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e31c243f984628d02f045dc4b622f1e2827860dc;p=pandora-kernel.git

FRV: Add support for emulation of userspace atomic ops [try #2]

Use traps 120-126 to emulate atomic cmpxchg32, xchg32, and XOR-, OR-, AND-, SUB-
and ADD-to-memory operations for userspace.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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