For baremetal we continue to have 'fully fair ticketlock' with this patch
series.
But but but, we're looking at removing ticket locks. So why do we want
to invest in them now?
I have nothing against qspinlock. I am happy to test it/add any bit to
it if I could.
With this patch we get excellent performance for guest with the
unmodified kernel without affecting host.
My test on guest with batch_size =16,32 showed even better performance
bs=16 bs=32
ebizzy_0.5x 0.14 0.90
ebizzy_1.0x 3.57 7.52
ebizzy_1.5x 58.97 67.65
ebizzy_2.0x 121.55 136.45
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