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From: Avi Kivity <avi@qumranet.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Toralf Förster" <toralf.foerster@gmx.de>,
kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [kvm-devel] build #365 issue for v2.6.25-rc2-342-g5d9c4a7 in ./arch/x86/kvm/kvm.ko
Date: Wed, 20 Feb 2008 16:07:03 +0200 [thread overview]
Message-ID: <47BC3407.20307@qumranet.com> (raw)
In-Reply-To: <47BC3121.8070902@qumranet.com>
[-- Attachment #1: Type: text/plain, Size: 1044 bytes --]
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@qumranet.com>
--
Any sufficiently difficult bug is indistinguishable from a feature.
[-- Attachment #2: kvm-vs-voyager.patch --]
[-- Type: text/x-patch, Size: 323 bytes --]
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cc2bc37..e27962c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -21,7 +21,7 @@ config X86
select HAVE_IDE
select HAVE_OPROFILE
select HAVE_KPROBES
- select HAVE_KVM
+ select HAVE_KVM if ((X86_32 && !X86_VOYAGER) || X86_64)
config GENERIC_LOCKBREAK
next prev parent reply other threads:[~2008-02-20 14:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-20 13:11 Toralf Förster
2008-02-20 13:54 ` [kvm-devel] " Avi Kivity
2008-02-20 14:07 ` Avi Kivity [this message]
2008-02-20 17:20 ` [PATCH] " Randy Dunlap
2008-02-25 23:03 ` Randy Dunlap
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