Messages in this thread | | | Date | Mon, 15 Dec 2003 14:00:32 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: PCI Express support for 2.4 kernel |
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On Mon, 15 Dec 2003, Jeff Garzik wrote: > > neat. dumb question though... how portable is set_fixmap_nocache()?
Not very. Although it should generally be trivial to port if you need it.
> I only see it on four architectures, and I'm sure PCI Express will > appear on more than that eventually.
On 64-bit architectures you're not likely to ever need to worry about it, and then you can just map the whole thing directly (and use some special large-page mapping for it, at that).
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