Messages in this thread | | | Date | Thu, 21 Oct 2004 18:33:22 -0700 (PDT) | From | <> | Subject | Re: [PATCH] use mmiowb in tg3.c |
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On Fri, 22 Oct 2004, Benjamin Herrenschmidt wrote:
> ... > Typically, our normal "light" write barrier doesn't reorder between cacheable > and non-cacheable (MMIO) stores, which is why we had to put some heavy sync > barrier in our MMIO writes macros. > ...
Do you mean "impose order" rather than "reorder" here?
-- Arthur
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