Re: [patch] scheduler bugfix, SMP, 2.4.0-test7

From: Albert D. Cahalan (
Date: Tue Aug 29 2000 - 16:33:34 EST

David S. Miller writes:

> The problem not FASTCALL, which is a NOP on sparc anyways. The
> problem is the fact that people expect the following to work:
> And it doesn't on Sparc because the flags are stored in the same CPU
> register as the current register window.
> Therefore you cannot restore irq flags in a different function than
> the one in which you obtained them.

So you need an alternate calling convention that works right.
Surely something like the Alpha calling convention will work.
Call it "FASTCALL". :-) The window can sit right where it is.

Nobody put a gun to your head and said "you will use the
register window hardware". Well, I hope not.
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