On 05/02/2014 04:53 PM, Andy Lutomirski wrote:
> On my box, this saves about 100ns on each interrupt and trap that
> happens while running in kernel space. This speeds up my kernel_pf
> microbenchmark by about 17%.
>
> Signed-off-by: Andy Lutomirski <l...@amacapital.net>
I'd really like to see a workload which would genuinely benefit before
adding more complexity. Now... if we can determine that it doesn't harm
anything and would solve the NMI nesting problem cleaner than the
current solution, that would justify things, too...
-hpa
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