On Fri, Mar 15, 2002 at 03:07:27PM +1100, Rusty Russell wrote:
> They must return an lvalue, otherwise they're useless for 50% of cases
> (ie. assignment). x86_64 can still use its own mechanism for
> arch-specific per-cpu data, of course.
Assignment should use an own macro (set_this_cpu()) or use per_cpu().
Alternatively you could split it into this_cpu_lvalue() and this_cpu(),
but this would be slightly less efficient.
-Andi
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