On Thu, 31 Jan 2008, Andi Kleen wrote:
> > addr = ioremap(phys_addr, len);
> > set_memory_x(addr);
> > if (phys_addr < (end_pfn_mapped >> PAGE_SHIFT))
> > set_memory_x(__va(phys_addr));
>
> If you just need the ioremap executable there is no reason to split
> up the direct mapping for this too. The x86 architecture does not require
> x bits to be coherent between mappings; only the caching attributes.
Thanks for pointing this out.
tglx
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