Messages in this thread | | | Subject | Re: New resources - pls, explain :-( | Date | Fri, 13 Aug 1999 11:29:25 +0100 (BST) | From | Alan Cox <> |
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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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