Messages in this thread |  | | Subject | Re: ioremap() vs. ioremap_nocache() | Date | Thu, 4 Oct 2001 21:47:52 +0100 (BST) | From | Alan Cox <> |
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> Now, as far as I know, on x86, ioremap() will give write-through > cached mappings (in the absence of mtrr games). If this is true, how
On x86 ioremap will give mappings appropriate to the object you map - which means by default it wil give uncached mappings. The PCI hardware will do intelligent things in certain cases such as write merging
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