config dependency in stable-2.6.32.x

config dependency in stable-2.6.32.x

[M A Young]

I was building a kernel and got the error
drivers/built-in.o: In function `do_hvm_suspend':
/builddir/build/BUILD/kernel-2.6.32/linux-2.6.32.x86_64/drivers/xen/manage.c:124: 
undefined reference to `xenbus_suspend'
/builddir/build/BUILD/kernel-2.6.32/linux-2.6.32.x86_64/drivers/xen/manage.c:138: 
undefined reference to `xenbus_resume'

As manage.c is built if CONFIG_XEN is selected and the do_hvm_suspend code 
segment is active if CONFIG_PM_SLEEP (which is on by default) is selected, 
this means that the current kernel won't build in this case unless 
CONFIG_XEN_XENBUS_FRONTEND=y as well to supply the xenbus references.

 	Michael Young

Re: config dependency in stable-2.6.32.x

[M A Young]

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On Thu, 6 May 2010, M A Young wrote:

> I was building a kernel and got the error
> drivers/built-in.o: In function `do_hvm_suspend':
> /builddir/build/BUILD/kernel-2.6.32/linux-2.6.32.x86_64/drivers/xen/manage.c:124: 
> undefined reference to `xenbus_suspend'
> /builddir/build/BUILD/kernel-2.6.32/linux-2.6.32.x86_64/drivers/xen/manage.c:138: 
> undefined reference to `xenbus_resume'
>
> As manage.c is built if CONFIG_XEN is selected and the do_hvm_suspend code 
> segment is active if CONFIG_PM_SLEEP (which is on by default) is selected, 
> this means that the current kernel won't build in this case unless 
> CONFIG_XEN_XENBUS_FRONTEND=y as well to supply the xenbus references.

The attached patch is a quick fix for the problem as 
CONFIG_XEN_XENBUS_FRONTEND can't be set directly. Having done this I get 
the error below so it looks like there are some problems with the 
XEN_PLATFORM_PCI code (I was building it with CONFIG_XEN_PLATFORM_PCI=m ).

 	Michael Young

drivers/xen/platform-pci.c:50: error: redefinition of 
'alloc_xen_mmio'
include/xen/platform_pci.h:38: note: previous definition of 
'alloc_xen_mmio' was here
drivers/xen/platform-pci.c:94: error: redefinition of 
'platform_pci_disable_irq'
include/xen/platform_pci.h:43: note: previous definition of 
'platform_pci_disable_irq' was here
drivers/xen/platform-pci.c:100: error: redefinition of 
'platform_pci_enable_irq'
include/xen/platform_pci.h:44: note: previous definition of 
'platform_pci_enable_irq' was here
drivers/xen/platform-pci.c:106: error: redefinition of 
'platform_pci_resume'
include/xen/platform_pci.h:42: note: previous definition of 
'platform_pci_resume' was here
make[2]: *** [drivers/xen/platform-pci.o] Error 1

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--- linux-2.6.32.x86_64/arch/x86/xen/Kconfig.orig	2010-05-06 21:14:55.000000000 +0100
+++ linux-2.6.32.x86_64/arch/x86/xen/Kconfig	2010-05-06 22:11:32.000000000 +0100
@@ -6,6 +6,7 @@
 	bool "Xen guest support"
 	select PARAVIRT
 	select PARAVIRT_CLOCK
+	select XEN_XENBUS_FRONTEND
 	depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
 	depends on X86_CMPXCHG && X86_TSC
 	help

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Re: config dependency in stable-2.6.32.x

[eXeC001er]

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Hello.

I tried to build stable-2.6.32.x (CONFIG_XEN_PLATFORM_PCI=y), but ...


:>$ git branch
  xen/master
* xen/stable-2.6.32.x


drivers/built-in.o: In function `do_hvm_suspend':
/opt/src/xen/linux-2.6-xen/drivers/xen/manage.c:124: undefined reference to
`xenbus_suspend'
/opt/src/xen/linux-2.6-xen/drivers/xen/manage.c:138: undefined reference to
`xenbus_resume'
make[1]: *** [.tmp_vmlinux1] Error 1
make: *** [sub-make] Error 2

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Re: Re: config dependency in stable-2.6.32.x

[Pasi Kärkkäinen]

On Thu, May 13, 2010 at 10:07:12PM +0400, eXeC001er wrote:
>    Hello.
>    I tried to build stable-2.6.32.x (CONFIG_XEN_PLATFORM_PCI=y), but ...
>    :>$ git branch
>    Â Â xen/master
>    * xen/stable-2.6.32.x
>    drivers/built-in.o: In function `do_hvm_suspend':
>    /opt/src/xen/linux-2.6-xen/drivers/xen/manage.c:124: undefined reference
>    to `xenbus_suspend'
>    /opt/src/xen/linux-2.6-xen/drivers/xen/manage.c:138: undefined reference
>    to `xenbus_resume'
>    make[1]: *** [.tmp_vmlinux1] Error 1
>    make: *** [sub-make] Error 2

Others have reported this problem aswell.. so it's a known issue atm.

-- Pasi