[gentoo-3.0]Объясните, как включить xen

> grep XEN /usr/src/linux/.config
CONFIG_XEN=y
CONFIG_XEN_DOM0=y
CONFIG_XEN_PRIVILEGED_GUEST=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_MAX_DOMAIN_MEMORY=128
CONFIG_XEN_SAVE_RESTORE=y
# CONFIG_XEN_DEBUG_FS is not set
# CONFIG_XEN_DEBUG is not set
CONFIG_PCI_XEN=y
CONFIG_XEN_PCIDEV_FRONTEND=y
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_BLKDEV_BACKEND=m
CONFIG_XEN_NETDEV_FRONTEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_HVC_XEN=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XENFS=y
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN_GNTDEV=m
CONFIG_XEN_GRANT_DEV_ALLOC=m
CONFIG_XEN_PLATFORM_PCI=m
CONFIG_SWIOTLB_XEN=y

>>> Preparing source in /var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2 ...
 * Applying xen-tools-3.4.0-network-bridge-broadcast.patch ...
 [ ok ]
 * Applying xen-tools-3.3.0-nostrip.patch ...
 [ ok ]
 * Applying xen-tools-3.3.1-sandbox-fix.patch ...
 [ ok ]
 * Applying xen-tools-3.4.2-as-needed.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2 ...
make -j3 -C tools 
make: Вход в каталог `/var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2/tools'
make[1]: Вход в каталог `/var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2/tools'
make -C check all
make[2]: Вход в каталог `/var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2/tools/check'
make[2]: *** ../../.config: Это каталог.  Останов.
make[2]: Выход из каталога `/var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2/tools/check'
make[1]: *** [subdir-all-check] Ошибка 2
make[1]: Выход из каталога `/var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2/tools'
make: *** [subdirs-all] Ошибка 2
make: Выход из каталога `/var/tmp/portage/app-emulation/xen-tools-3.4.2/work/xen-3.4.2/tools'
emake failed
 * ERROR: app-emulation/xen-tools-3.4.2 failed (compile phase):
 *   compile failed
 * 
 * Call stack:
 *     ebuild.sh, line  56:  Called src_compile
 *   environment, line 5167:  Called die
 * The specific snippet of code:
 *       emake -C tools ${myopt} || die "compile failed";

# qlist -Iv | grep nvidia-drivers
x11-drivers/nvidia-drivers-275.09.07

grep XEN /usr/src/linux/.config
CONFIG_XEN=y
CONFIG_XEN_DOM0=y
CONFIG_XEN_PRIVILEGED_GUEST=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_MAX_DOMAIN_MEMORY=128
CONFIG_XEN_SAVE_RESTORE=y
# CONFIG_XEN_DEBUG is not set
CONFIG_PCI_XEN=y
CONFIG_XEN_PCIDEV_FRONTEND=y
CONFIG_XEN_BLKDEV_FRONTEND=y
# CONFIG_XEN_BLKDEV_BACKEND is not set
CONFIG_XEN_NETDEV_FRONTEND=y
# CONFIG_XEN_NETDEV_BACKEND is not set
CONFIG_HVC_XEN=y
# CONFIG_XEN_WDT is not set
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XENFS=y
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN_GNTDEV=y
CONFIG_XEN_GRANT_DEV_ALLOC=y
CONFIG_XEN_PLATFORM_PCI=y
CONFIG_SWIOTLB_XEN=y

$ emerge --info
Portage 2.1.10.3 (default/linux/amd64/10.0, gcc-4.4.5, glibc-2.12.2-r0, 3.0.3-gentoo x86_64)
=================================================================
System uname: Linux-3.0.3-gentoo-x86_64-AMD_Phenom-tm-_II_X4_955_Processor-with-gentoo-2.0.3
Timestamp of tree: Fri, 19 Aug 2011 13:45:01 +0000
app-shells/bash:          4.1_p9
dev-java/java-config:     2.1.11-r3
dev-lang/python:          2.7.1-r1, 3.1.3-r1
dev-util/cmake:           2.8.4-r1
dev-util/pkgconfig:       0.26
sys-apps/baselayout:      2.0.3
sys-apps/openrc:          0.8.3-r1
sys-apps/sandbox:         2.4
sys-devel/autoconf:       2.13, 2.68
sys-devel/automake:       1.11.1
sys-devel/binutils:       2.20.1-r1
sys-devel/gcc:            4.4.5
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82
sys-kernel/linux-headers: 2.6.36.1 (virtual/os-headers)
sys-libs/glibc:           2.12.2
Repositories: gentoo x-portage
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=native -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt /usr/share/maven-bin-2.2/conf"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-O2 -march=native -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests binpkg-logs distlocks ebuild-locks fixlafiles fixpackages news parallel-fetch protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="http://mirror2.corbina.ru/gentoo-distfiles/ http://gentoo-mirror.spb.ru/ "
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="en ru"
MAKEOPTS="-j4"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="X acl alsa amd64 berkdb bzip2 cairo cli cracklib crypt cups cxx dbus dri fontforge fortran gdbm gpm gtk iconv icu ipv6 jpeg mmx modules mudflap multilib ncurses nls nptl nptlonly ogg openmp pam pcre perl png pppd python qt3support qt4 readline session sse sse2 ssl svg sysfs tcpd truetype unicode xcb xorg zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="braindump flow karbon kexi kpresenter krita tables words" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en ru" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="vesa nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" 
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS