linux-kernel - Re: [kvm-devel] build #365 issue for v2.6.25-rc2-342-g5d9c4a7 in ./arch/x86/kvm/kvm.ko

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Date:	Wed, 20 Feb 2008 16:07:03 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Toralf Förster <toralf.foerster@....de>,
	kvm-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [kvm-devel] build #365 issue for v2.6.25-rc2-342-g5d9c4a7 in
 ./arch/x86/kvm/kvm.ko

Avi Kivity wrote:
> Toralf Förster wrote:
>> Hello,
>>
>> the build with the attached .config failed, make ends with:
>> ...
>>   HOSTCC  arch/x86/boot/tools/build
>>   BUILD   arch/x86/boot/bzImage
>> Root device is (3, 8)
>> Setup is 12280 bytes (padded to 12288 bytes).
>> System is 2192 kB
>> Kernel: arch/x86/boot/bzImage is ready  (#1)
>>   Building modules, stage 2.
>>   MODPOST 211 modules
>> ERROR: "smp_ops" [arch/x86/kvm/kvm.ko] undefined!
>> make[1]: *** [__modpost] Error 1
>> make: *** [modules] Error 2
>>
>>
>> The build was made with :
>> $> make mrproper && make rndconfig && <tweak config file> && make 
>> oldconfig && make
>>
>> Here's the config:
>>   
>
> Looks like KVM conflicts with CONFIG_VOYAGER...
>

Attached patch should fix.

Subject: x86: disable KVM on Voyager

Most classic Pentiums don't have hardware virtualization
extension, and building kvm with voyager generates
spurious failures.

Signed-off-by: Avi Kivity <avi@...ranet.com>

-- 
Any sufficiently difficult bug is indistinguishable from a feature.


View attachment "kvm-vs-voyager.patch" of type "text/x-patch" (324 bytes)