Poul-Henning Kamp wrote: > In message <4361FDBE.7000500_at_freebsd.org>, David Xu writes: > > > the correct way to optimize this would be to add a time(2) systemcall > which returns the value of the kernel global time_second. > Can we make a page in kernel address space which is readable my user code? put the variable in the page, I know read an integer is atomic-op, needn't lock, so syscall is not needed.Received on Fri Oct 28 2005 - 08:43:12 UTC
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