Re: [Xen-devel] xen dire-map area

[Tim Deegan <tim@xxxxxxx>]

At 17:30 +0800 on 14 Jun (1339695001), Baozeng wrote:
> Hell all,
> 
> I am doing some research work on protecting Xen's data structures.
> I know there is a direct-map area(about 12M), in which we can get  the
> physical address of the data structure from its virtual address.  My
> question is : are the stack and the heap of Xen both located in this
> direct-map area?

On 32-bit x86, anything allocated with alloc_xenheap_* or xmalloc() is
in that area (and that includes Xen's stacks).  Anything allocated with
alloc_domheap_* is not.  Also the frametable and M2P are mapped
separately.  The details are in include/asm-x86/config.h.

Cheers,

Tim.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel