Re: [Xen-devel] help regarding ioremap_pt ....

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 23 Dec 2005, at 14:41, Himanshu Raj wrote:

> I see a 4MB area being allocated paging_init for ioremap (that amounts 
> to one
> page of l2 entries on a 32-bit x86). However I don't see it being used 
> anywhere.
> Could someone point me to the place where it is being used.
>
> Reason I ask is because I need to map certain physical memory in 
> "xen", some
> device register's available in memory space. As I see, there is no 
> direct
> ioremap support in xen (atleast the comment says so!).
fixmap uses that area, but I think that's now the only thing that uses 
that area in Xen. We removed dynamic ioremap when we removed device 
drivers from Xen.
 -- Keir


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