On Tue, 28 Nov 2006 22:24:11 +0100 (CET)
Stefan Richter <[email protected]> wrote:
> All MMIO writes which were surrounded by the spinlock as well as the
> very last MMIO write of the IRQ handler are now explicitly flushed by
> MMIO reads of the respective register.
MMIO is ordered anyway on the bus, you just need mmiowb() to force
ordering to the bus controller in case you are on a big numa box.
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