Custom Kernel Question

Custom Kernel Question

[Stephen Le]

I just started using Xen 2.0, and I have a question regarding
compiling your own custom kernel for domain 0. I've tried searching
the mailing lists and reading the documentation, but nothing seems to
work.

I've downloaded the source code tarball for Xen 2.0.4 and I have a
working 2.6.10 kernel configuration. How do I compile Xen with my
kernel configuration? That is, how do I tell Xen which kernel
configuration to use during the compilation?

I've tried placing the kernel configuration file in
xen-2.0/linux-2.6.10-xen0 and that didn't work. I also tried placing
my configuration file in xen-2.0/dist/install/boot after first
performing a "make" and that also didn't work. What am I doing wrong?

Thanks.


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Re: Custom Kernel Question

[Christopher Clark]

cd xen-2.0
find . -name *onfig* -print

=>
...
./linux-2.6.10-xen-sparse/arch/xen/configs/xen0_defconfig
./linux-2.6.10-xen-sparse/arch/xen/configs/xenU_defconfig

these get picked up when you make world.

You'll have to merge options from both the Xen default config and your
own to get what you want.

c.

On Tue, 2005-03-08 at 18:04, Stephen Le wrote:
> I just started using Xen 2.0, and I have a question regarding
> compiling your own custom kernel for domain 0. I've tried searching
> the mailing lists and reading the documentation, but nothing seems to
> work.
> 
> I've downloaded the source code tarball for Xen 2.0.4 and I have a
> working 2.6.10 kernel configuration. How do I compile Xen with my
> kernel configuration? That is, how do I tell Xen which kernel
> configuration to use during the compilation?
> 
> I've tried placing the kernel configuration file in
> xen-2.0/linux-2.6.10-xen0 and that didn't work. I also tried placing
> my configuration file in xen-2.0/dist/install/boot after first
> performing a "make" and that also didn't work. What am I doing wrong?
> 
> Thanks.
> 
> 
> -------------------------------------------------------
> SF email is sponsored by - The IT Product Guide
> Read honest & candid reviews on hundreds of IT Products from real users.
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> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/xen-devel



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Re: Custom Kernel Question

[Robin Green]

On Tue, 8 Mar 2005, Stephen Le wrote:

> I just started using Xen 2.0, and I have a question regarding
> compiling your own custom kernel for domain 0. I've tried searching
> the mailing lists and reading the documentation, but nothing seems to
> work.
>
> I've downloaded the source code tarball for Xen 2.0.4 and I have a
> working 2.6.10 kernel configuration. How do I compile Xen with my
> kernel configuration? That is, how do I tell Xen which kernel
> configuration to use during the compilation?
>
> I've tried placing the kernel configuration file in
> xen-2.0/linux-2.6.10-xen0 and that didn't work. I also tried placing
> my configuration file in xen-2.0/dist/install/boot after first
> performing a "make" and that also didn't work. What am I doing wrong?

This is what worked for me (from memory). I unpacked a fresh copy of 
linux 2.6.10 source, and then did:

# First make and install xen and the tools
cd xen-2.0-testing
make xen tools
cd ..

# Then make and install the kernel
cp -a --reply=yes xen-2.0-testing/linux-2.6.10-xen-sparse/* linux-2.6.10
cp .config linux-2.6.10
cd linux-2.6.10

Now you can either do
  make xconfig ARCH=xen
or
  make oldconfig ARCH=xen

make ARCH=xen
cp vmlinuz /boot/vmlinuz-2.6.10-xen

# Then edit bootloader configuration
nano /etc/grub.conf

Note that Xen will automatically remove items in your kernel config which 
it thinks won't work.

-- 
Robin


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