xen/oprofile: Patch from Michael Petullo

xen/oprofile: Patch from Michael Petullo

http://www.flyn.org/patches/linux-xen-passive-oprofile/linux-3.2-xen-passive-oprofile.patch.gz

>> I have ported Anil's passive profile-capable OProfile patch to Linux
>> 3.2. I have be able to hobble this patch along to new kernel versions, but
>> it is in need of additional work if it is to be submitted upstream. Please
>> see:
>>
>> http://www.flyn.org/patches/linux-xen-passive-oprofile/linux-3.2-xen-passive-oprofile.patch.gz
>>
>> With this patch applied to Linux 3.2, I can perform passive
>> profiling of an unprivileged Xen domain.

> What version of oprofile did you use?

Fedora's oprofile-0.9.6-21.fc16.x86_64.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Conflicts:

	include/xen/interface/xen.h

Conflicts:

	arch/x86/xen/mmu.c
	include/linux/oprofile.h
	include/xen/interface/xen.h