Re: [PATCH 1/1] edac x38: new MC driver module

[Ralf Baechle]

On Sun, Nov 09, 2008 at 11:26:46AM -0800, Andrew Morton wrote:

> Perhaps it would be better to have a CONFIG_ARCH_HAS_READQ and to then
> disable these drivers on the architectures which don't provide
> readq/writeq support.

And we also need to define the exact semantics.  Questions coming to mind:

  o are implementations performing 2 32-bit accesses acceptable?
  o if so, what ordering for the two accesses is acceptable?

  Ralf
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