Re: [Xen-users] Re: Xen installation

[Stephan Böni <boeni@xxxxxx>]

>> I'm trying to install xen-2.0-testing and having some troubles.. Docs
>> for Xen seem to be pretty vague about installation process and mostly
>> tell me to use binary package.
>> 
>> I want to compile my own kernel (both privileged and unprivileged),
>> and can't figure out, how..
>> 
>> Could someone tell me precise steps to do this?
>
>* Unpack kernel source tree somewhere (call it $KERNELSRCDIR)
>
>* cd $XENSRCDIR/linux-2.x.yy-xen-sparse
>
>* Run mkbuildtree from the linux-2.x.yy-xen-sparse directory with
>       $KERNELSRCDIR as an argument (eg ./mkbuildtree $KERNELSRCDIR)
>
>* Go back to the kernel source dir and build your kernel more-or-less as
>       normal, but set the architecture to xen *at* *all* *times* (ghods
>       how much mess I've caused by not following that rule).  So,
>       basically:
>
>       - make ARCH=xen menuconfig

# make ARCH=xen menuconfig
scripts/kconfig/mconf arch/xen/Kconfig
arch/xen/i386/Kconfig:747: can't open file "drivers/pci/pcie/Kconfig"
make[1]: *** [menuconfig] Error 1
make: *** [menuconfig] Error 2

# cd drivers/pci
# ln -s . pcie
# cd ../..

Now it works. Do i need to select something in the menu?

>       - make ARCH=xen dep

not needed anymore (with kernel 2.6)

>       - make ARCH=xen vmlinuz

# make ARCH=xen vmlinuz
  CHK     include/linux/version.h
  CC      arch/i386/kernel/asm-offsets.s
In file included from include/asm-xen/asm/msr.h:5,
                 from include/asm-xen/asm/processor.h:17,
                 from include/asm/thread_info.h:16,
                 from include/linux/thread_info.h:21,
                 from include/linux/spinlock.h:12,
                 from include/linux/capability.h:45,
                 from include/linux/sched.h:7,
                 from arch/i386/kernel/asm-offsets.c:7:
include/asm-xen/hypervisor.h:44:39: asm-generic/pgtable-nopmd.h: No such file or
 directory
In file included from include/asm-xen/asm/msr.h:5,
                 from include/asm-xen/asm/processor.h:17,
                 from include/asm/thread_info.h:16,
                 from include/linux/thread_info.h:21,
                 from include/linux/spinlock.h:12,
                 from include/linux/capability.h:45,
                 from include/linux/sched.h:7,
                 from arch/i386/kernel/asm-offsets.c:7:
include/asm-xen/hypervisor.h:79: error: parse error before '*' token
include/asm-xen/hypervisor.h:79: warning: function declaration isn't a prototype
include/asm-xen/hypervisor.h:90: error: parse error before '*' token
include/asm-xen/hypervisor.h:90: warning: function declaration isn't a prototype
In file included from include/linux/timex.h:61,
                 from include/linux/sched.h:11,
                 from arch/i386/kernel/asm-offsets.c:7:
include/asm-xen/asm/io.h:48:31: asm-generic/iomap.h: No such file or directory
make[1]: *** [arch/i386/kernel/asm-offsets.s] Error 1
make: *** [arch/i386/kernel/asm-offsets.s] Error 2

>       - make ARCH=xen modules
>       - make ARCH=xen modules-install
>
>* Copy the built vmlinuz file to /boot/whatever.
>
>The only difference, effectively, between the dom0 and domU is choosing
>whether to enable the privileged guest (dom0).  Note that a lot of kernel
>options (IDE support) tend to get turned off in domU mode, so don't worry if
>your .config file looks a little thin when building the domU.

What's wrong? Do you have any solution?

Thanks
Stephan

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