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

From: Thomas Gleixner
Date: Thu Jan 31 2008 - 11:37:43 EST


On Thu, 31 Jan 2008, Andi Kleen wrote:

> > 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 ...

If it does not, then __pa() needs to be fixed, nothing else.

Thanks,
tglx
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