how does debian get 2.6.26-2-xen kernel? i cant find the source

[smallpox <smallpox@gmail.com>]

http://74.125.155.132/search?q=cache:Xhede7XrPbYJ:www.linux-archive.org/debian-development/314555-xen-source.html+debian+linux-2.6-xen-source&cd=8&hl=en&ct=clnk&gl=us&client=firefox-a

i've googled and googled, only to find the cached link above.

i'm unable to build a xen kernel, i just want to modify a single thing
in .config and rebuild it.

after debian/setup is complete, i still get a ton of these:

# using defaults found in /boot/config-2.6.26-2-xen-amd64
#
/boot/config-2.6.26-2-xen-amd64:48:warning: trying to assign nonexistent
symbol X86_NO_TSS
/boot/config-2.6.26-2-xen-amd64:49:warning: trying to assign nonexistent
symbol X86_NO_IDT

i'm not sure what to do here, how to get the source with xen kernel so i could disable SYSFS_DEPRECATED

any response would be appreciated.

thanks