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AgeCommit message (Collapse)Author
2010-07-12use TSC to implement delay.Zheng Da
2010-07-12not export the symbol loops_per_jiffy.Zheng Da
2010-07-12calibrate the delay loop several times.Zheng Da
It's necessary when we do it in the user space, as that the CPU switches to other processes and the result is too imprecise.
2010-07-12Use Linux's udelay and ndelay.Zheng Da
It's not very precise to implement udelay and ndelay with loops in the user space, but should be enough.