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    SubjectRe: [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@qumranet.com>

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

    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
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      Last update: 2008-02-20 15:11    [W:0.021 / U:62.004 seconds]
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