Re: bad paravirt/Xen interaction in "x86 - Enhance DEBUG_RODATA support- alternatives"

[Jeremy Fitzhardinge]

Mathieu Desnoyers wrote:
> I think kmap_atomic is only implemented on x86_32 and only deals with
> highmem pages. It will simply return the original page address without
> changing the protection for other pages, which is not what we want.
> Would ioremap() be a good alternative ?
>   

Perhaps, though that's uncached by default.  You could reserve a fixmap 
slot and use set_fixmap to create the mapping.  Or use vmap, which may 
make dealing with instructions crossing page boundaries a little easier.

   J
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