Xen users - Jul 2011 - ubuntu 11.04 compile xen domain0 arch/x86/kernel/cpu/amd.c: In function ‘init_amd’ error

$ cd
$ wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.38.tar.gz
$ tar -xzf linux-2.6.38.tar.gz

$ wget
http://gentoo-xen-kernel.googlecode.com/files/xen-patches-2.6.38-2.tar.bz2
$ mkdir xenpatch-2.6.38.2
$ cd xenpatch-2.6.38-2
$ tar -xjf ../xen-patches-2.6.38-2.tar.bz2
$ cd ..

$ cd linux-2.6.38
$ for i in `ls ../xenpatch-2.6.38.2/`; do patch -p1 <
../xenpatch-2.6.38.2/"$i"; done

$ cp /boot/config-2.6.31-14-server .config
$ make menuconfig

Processor type and features --->
  [*] Enable Xen compatible kernel
Networking support --->
  Networking options --->
    <*> 802.1d Ethernet Bridging
Device Drivers --->
  XEN --->
    [*] Privileged Guest (domain 0)
     Backend driver support
       Block-device backend driver
       Block-device tap backend driver
       Block-device tap backend driver 2
       Network-device backend driver
       PCI-device backend driver
       SCSI backend driver
       USB backend driver
    <*> Block-device frontend driver
    <*> Network-device frontend driver
     SCSI frontend driver
     USB frontend driver
    <*> Framebuffer-device frontend driver
    <*>   Keyboard-device frontend driver
    [*] Disable serial port drivers
    <*> Export Xen attributes in sysfs
        Xen version compatibility (3.3.0 and later) --->
           3.3.0 and later



$ sudo make
  CHK     include/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  CC      arch/x86/kernel/cpu/amd.o
arch/x86/kernel/cpu/amd.c: In function ‘init_amd’:
arch/x86/kernel/cpu/amd.c:643:18: error: ‘amd_size_cache’ undeclared (first
use in this function)
arch/x86/kernel/cpu/amd.c:643:18: note: each undeclared identifier is
reported only once for each function it appears in
arch/x86/kernel/cpu/amd.c:627:1: warning: ISO C90 forbids mixed declarations
and code
arch/x86/kernel/cpu/amd.c:670:1: warning: ISO C90 forbids mixed declarations
and code
arch/x86/kernel/cpu/amd.c:673:1: error: extern declaration of
‘amd_erratum_400’ follows declaration with no linkage
arch/x86/kernel/cpu/amd.c:670:11: note: previous definition of
‘amd_erratum_400’ was here
arch/x86/kernel/cpu/amd.c:677:1: error: extern declaration of
‘amd_erratum_383’ follows declaration with no linkage
arch/x86/kernel/cpu/amd.c:675:11: note: previous definition of
‘amd_erratum_383’ was here
arch/x86/kernel/cpu/amd.c:721:1: error: non-static declaration of
‘cpu_has_amd_erratum’ follows static declaration
arch/x86/kernel/cpu/amd.c:679:6: note: previous definition of
‘cpu_has_amd_erratum’ was here
arch/x86/kernel/cpu/amd.c:721:1: error: expected declaration or statement at
end of input
arch/x86/kernel/cpu/amd.c: At top level:
arch/x86/kernel/cpu/amd.c:446:23: warning: ‘init_amd’ defined but not used
make[3]: *** [arch/x86/kernel/cpu/amd.o] Error 1
make[2]: *** [arch/x86/kernel/cpu] Error 2
make[1]: *** [arch/x86/kernel] Error 2
make: *** [arch/x86] Error 2

help me please


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