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    SubjectRe: [PATCH v2 3/3] i387: support lazy restore of FPU state
    On 02/20/2012 05:50 PM, Josh Boyer wrote:
    >
    > I haven't tried really figuring this out yet, but building the Fedora kernel
    > on x86_64 with your latest tree results in:
    >
    > ERROR: "fpu_owner_task" [lib/raid6/raid6_pq.ko] undefined!
    > ERROR: "fpu_owner_task" [arch/x86/kvm/kvm.ko] undefined!
    > ERROR: "fpu_owner_task" [arch/x86/crypto/sha1-ssse3.ko] undefined!
    > ERROR: "fpu_owner_task" [arch/x86/crypto/serpent-sse2-x86_64.ko] undefined!
    > ERROR: "fpu_owner_task" [arch/x86/crypto/ghash-clmulni-intel.ko] undefined!
    > make[1]: *** [__modpost] Error 1
    > make: *** [modules] Error 2
    > + exit 1
    >
    > Since this patch went in as 7e16838d94b566a1, I'm guessing it's at least
    > related.
    >
    > I'm building again with more verbose output but I thought I'd send this out
    > quickly.
    >

    fpu_owner_task needs an EXPORT_SYMBOL_GPL().

    -hpa


    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.



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