Messages in this thread |  | | From | "Albert D. Cahalan" <> | Subject | Re: [patch] scheduler bugfix, SMP, 2.4.0-test7 | Date | Tue, 29 Aug 2000 17:33:34 -0400 (EDT) |
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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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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