[Xen-devel] How to mmap xen pages?

[Rob Gardner <rob.gardner@xxxxxx>]

I am try to convey a large data collection buffer from xen to a 
userspace program running in domain 0. I examined the xentrace facility 
and copied the code to mmap pages. My mmap fails, and upon trying out 
the xentrace program, I found that it fails in exactly the same way, ie, 
returns errno 11, "Resource Temporarily Unavailable". I have allocated 
my memory buffers just like common/trace.c does it, etc. Is this trace 
stuff not working anymore, did it ever work, and/or what is the 
recommended way to do what I want?
Thanks,

Rob Gardner
HP





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