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SubjectRe: 2.6.16-rc regression: m68k CONFIG_RMW_INSNS=n compile broken

On Fri, 3 Mar 2006, Andrew Morton wrote:

> Yes, we now require cmpxchg of all architectures.

Actually I'd prefer if we used atomic_cmpxchg() instead.
The cmpxchg() emulation was never added for a good reason - to keep code
from assuming it can be used it for userspace synchronisation. Using an
atomic_t here would probably get at least some attention.

bye, Roman
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