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SubjectRe: New resources - pls, explain :-(
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> In your opinion, should there be a guarantee that accesses initiated
> by readl/writel/etc. will not be reordered?

Most drivers assume this except for areas they've used MTRR on (thats x86
only of course)

> Alternatively, should device driver writers be required to put in an
> explicit statement (mb() or something similar) when they use
> readl/writel/etc. and want to prevent the accesses being reordered?

Not reordering is a safer default.


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