Re: MMIO and gcc re-ordering issue
From: Paul Mackerras
Date: Wed Jun 11 2008 - 05:06:52 EST
Nick Piggin writes:
> Now that doesn't leave waker ordering architectures lumped with "slow old
> x86 semantics". Think of it as giving them the benefit of sharing x86
> development and testing :)
Worth something, but not perhaps as much as you think, given that many
x86 driver writers still don't pay much attention to making their code
endian-safe and 64-bit-clean. And there are still plenty of drivers
that use virt_to_bus...
Paul.
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