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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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