Improving the kernel/i386 timecounter performance (GSoC proposal)

[Julian Elischer]

David Xu wrote:
> David Xu wrote:
>> Julian Elischer wrote:
>>
>>> depends on the hardware.
>>> anyhow I was only saying it was possible, not necessarily
>>> good or even useful.
>>>
>>>
>>
>> I had done some works for thread private page shared by kernel
>> and userland when I was doing userland spinlock, if userland asks
>> a page, kernel will allocate it and put some interesting thing in
>> it by scheduler etcs, these code may be useful.
>>
> FYI:
> http://people.freebsd.org/~davidxu/schedctl/

reading this quickly, you allocate a separately addressed page for
each thread, but,  how do you use it?