Re: [PATCH 4/5] x86: add executable mapping support to ioremap

[Andi Kleen]

> There is nothing to fix. It works on virtual addresses. 
> 
> The __pa() in change_page_attr_addr() is only used to check for the
> high alias mapping of the kernel, but the call to change_page_attr
> uses the virtual address.

But __pa() doesn't work for ioremap ...

huang is completely right.

-Andi
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