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    SubjectRe: [kvm-devel] [PATCH][RFC] kvm-scheduler integration
    Avi Kivity wrote:
    >
    >> The
    >> congruent case which comes to mind is lazy FPU handling.
    >>
    >
    > That one has preempt_ops in hardware: cr0.ts and #NM.

    However, that doesn't handle in-kernel use of the fpu.
    kernel_fpu_begin()/kernel_fpu_end() could easily be modified to take
    advantage of a generic preempt hook. I'll add a patch for that, and we
    gain preemptible raid-5 parity calculation.


    --
    error compiling committee.c: too many arguments to function

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