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[Xen-users] Trying to make tools for 64bit Xen hypervisor

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Trying to make tools for 64bit Xen hypervisor
From: Sumedh Sakdeo <sumedhsakdeo@xxxxxxxxx>
Date: Mon, 18 Oct 2010 16:20:50 -0700
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Hello All,

I am trying to build Xen 4.0.1(from here) on a  x86_64 Linux. I was able to do 'make xen' properly, but my 'make tools' fail.
Error I get is this:
In file included from tapdisk-queue.c:44:
libaio-compat.h:82:3: error: #error __NR_eventfd?
make[5]: *** [tapdisk-queue.o] Error 1
make[5]: Leaving directory `/home/ssakdeo/workarea/xen-4.0.1/tools/blktap2/drivers'
make[4]: *** [subdir-install-drivers] Error 2
make[4]: Leaving directory `/home/ssakdeo/workarea/xen-4.0.1/tools/blktap2'
make[3]: *** [subdirs-install] Error 2
make[3]: Leaving directory `/home/ssakdeo/workarea/xen-4.0.1/tools/blktap2'
make[2]: *** [subdir-install-blktap2] Error 2
make[2]: Leaving directory `/home/ssakdeo/workarea/xen-4.0.1/tools'
make[1]: *** [subdirs-install] Error 2
make[1]: Leaving directory `/home/ssakdeo/workarea/xen-4.0.1/tools'
make: *** [install-tools] Error 2

Can anyone help in these regards?

Also, I want some recommendations in terms of using dom0 kernel:
I know that Xen 4.0.1, fetches dom0 pvops kernels and builds it. At the same time, you can also use dom0 2.6.18 kernel. What version of dom0 kernel is usually recommended?

My goal is to have a 64 bit environment setup, for Xen and dom0 kernel, so that I can actually start doing some research on the code.

Looking forward for any help in these regards!

Thanks & Regards,
Sumedh Sakdeo
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