Messages in this thread | | | Date | Fri, 15 Mar 2002 10:13:09 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH] 2.5.1-pre5: per-cpu areas |
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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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