[Xen-devel] XEN_ACPI_PROCESSOR=m PROBLEM DURING KERNEL COMPILATION

[Ahmad Hassan <ahmad.hassan@xxxxxxxxx>]

Hi, 

I am facing this error while kernel compilation.

drivers/built-in.o: In function `processor_cntl_xen_prepare':
(.text+0x5df52): undefined reference to `acpi_processor_get_

performance_info'
drivers/built-in.o: In function `processor_cntl_xen_prepare':
(.text+0x5df71): undefined reference to `acpi_processor_get_psd'
make[1]: *** [.tmp_vmlinux1] Error 1
make[1]: Leaving directory `/home/ah/xennew/kernel/linux-2.6-xen'
make: *** [debian/stamp/build/kernel] Error 2


I am building kernel latest 2.6.31.4 kernel FOR XEN from jeremy's git tree. I am on amd64 architecture.

If I change the following parameter to 'y' then kernel compiles successfully.
CONFIG_ACPI_PROCESSOR=m

The following parameter is set as 'y' in my config

CONFIG_ACPI_PROCESSOR_XEN=y

But I do not know whether this is the correct way of handling this error or not. Because if I compile and install this kernel and then compile and instal xen 3.4.1 over it then xen hangs on the reboot.

Any help will be more than welcome.

-- 
Best Regards, Hassan
http://cern.ch/ahmadh/portfolio

Erasmus Student
The University of Reading, UK
Aristotle University of Thessaloniki, Greece
The University Of Carlos III, Madrid Spain

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