[Cbe-oss-dev] [PATCH] spufs: avoid using backing operation for wbox write

André Detsch adetsch at br.ibm.com
Wed Aug 8 00:40:37 EST 2007


Arnd Bergmann wrote:

> I have no idea how this could be related to the symptom, especially
> not without the source of your test case, but it's something we
> should definitely fix. Does your test case use one of the other mail
> boxes as well?

I've simplified the testcase, and sending it as an attachment.

As you can see, just spu_in mbox is used. To reproduce the bug, just run 
the program using as parameter a number a little bigger than the number 
of the present spes, to make sure the backing operation is used.

Like:
] spu_mailbox 20 # qs20
] spu_mailbox 10 # simulator

--
Andre Detsch
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