freebsd kernel with SKQ
0e9b8f90be
It is called from copyin and copyout. The new routine is conditioned on I586_CPU and I586_FAST_BCOPY, so you need options "I586_FAST_BCOPY" (quotes essenstial) in your kernel config file. Also, if you have other kernel types configured in your kernel, an additional check to make sure it is running on a Pentium is inserted. (It is not clear why it doesn't help on P6s, it may be just that the Orion chipset doesn't prefetch as efficiently as Tritons and friends.) Bruce can now hack this away. :) |
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