[SPARC]: Mark as emulating cmpxchg, add appropriate depends for DRM.
authorMartin Habets <errandir_news@mph.eclipse.co.uk>
Tue, 29 May 2007 08:11:57 +0000 (01:11 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Tue, 29 May 2007 09:51:24 +0000 (02:51 -0700)
The DRM code depends on an atomic version of cmpxchg(), which is not
available on sparc32. Since other platforms besides sparc32 have this
issue a KCONFIG option is added for it.

Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

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