RE: [Xen-devel] [HOWTO] Setting up Xen4 + pvops 2.6.32.21.x on CentOS 5.5

["Pradeep Padala" <ppadala@xxxxxxxxxxxxxxxxxx>]

Hi Boris,

 

Thanks for the comments. I will update the HOWTO with the right config. You can either compile it as a module or in the kernel.

 

Pradeep

 

From: Boris Derzhavets [mailto:bderzhavets@xxxxxxxxx]
Sent: Monday, October 04, 2010 5:01 AM
To: Pradeep Padala; Pasi Kärkkäinen
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] [HOWTO] Setting up Xen4 + pvops 2.6.32.21.x on CentOS 5.5

 

If i will follow :-

http://ppadala.net/blog/2010/09/how-to-setup-xen4-and-pvops-2-6-32-x-on-centos-5-5-using-gitco-repository/

Recommended .config (fragment)

CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_XENFS=y
CONFIG_XEN_COMPAT_XENFS=y

I believe in this case modules :-
   xen-evtchn xen-netback xen-blkback xenfs
won't be created because they are hard linked to kernel.

To get them as modules i need :-

CONFIG_XEN_DEV_EVTCHN=m
CONFIG_XEN_BACKEND=y
CONFIG_XEN_BLKDEV_BACKEND=m
CONFIG_XEN_NETDEV_BACKEND=m
CONFIG_XENFS=m

At least on my system (F14) with .config
Fragment from .config
#
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XEN_NETDEV_BACKEND=m
CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_XEN_BLKDEV_TAP=y
#
[root@fedora14 2.6.32.23]# pwd
/lib/modules/2.6.32.23
[root@fedora14 2.6.32.23]# find . -name "xen-*back.ko" -print
./kernel/drivers/xen/netback/xen-netback.ko
[root@fedora14 2.6.32.23]# find . -name "xen-evtchn.ko" -print

Module xen-netback.ko has been created only due to :-
  CONFIG_XEN_NETDEV_BACKEND=m

May be i am missing something here ?

Boris.
P.S.
I just need xen-netback to be loaded as module for OpenIndiana 147 PV Guest
stable networking with PVOPS kernel  ( OSOL 134 aswell). In other words i need
to configure PVOPS kernel  like XenLinux  kernel in regards of loading xen backend drivers.


--- On Sun, 10/3/10, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

From: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] [HOWTO] Setting up Xen4 + pvops 2.6.32.21.x on CentOS 5.5
To: "Pradeep Padala" <ppadala@xxxxxxxxxxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Sunday, October 3, 2010, 3:34 PM

On Tue, Sep 28, 2010 at 11:04:11AM -0700, Pradeep Padala wrote:
>    Hi,
>
>    I spent some time configuring the latest Xen with pvops 2.6.32.x on CentOS
>    5.5. It hasn't been easy, to say the least. My HOWTOs on this are located
>    at
>    [1]http://ppadala.net/blog/2010/09/how-to-setup-xen4-pvops-2-6-32-x-on-centos-5-5/
>    and
>    [2]http://ppadala.net/blog/2010/09/how-to-setup-xen4-and-pvops-2-6-32-x-on-centos-5-5-using-gitco-repository/
>
>    Hope they are helpful. Any comments are welcome. Feel free to add this to
>    Xen4 Wiki.
>

Thanks for the tutorials!
I've added them to Xen4.0 wiki page.

-- Pasi


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