Messages in this thread |  | | | From | David Mosberger <> | | Date | Mon, 11 Feb 2002 17:21:40 -0800 | | Subject | Re: thread_info implementation |
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>>>>> On Mon, 11 Feb 2002 17:07:09 -0800 (PST), "David S. Miller" <davem@redhat.com> said:
DaveM> I didn't have to change any of my locore code, what the heck DaveM> are you talking about? :-) All of the changes to _ANY_ DaveM> assembly on sparc64 looked like this:
The task pointer lives in the thread pointer register (r13), so it's trivial to address off of it. The stack pointer is a poor replacement for that. The bit-masking that the x86 code is doing to get the thread info pointer atrocious and is part of the reason task coloring is harder to do on x86.
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