Re: [PATCH 13/39] NLKD/x86-64 - time adjustment

From: Andi Kleen
Date: Sat Nov 12 2005 - 12:32:31 EST


On Saturday 12 November 2005 10:22, Vojtech Pavlik wrote:

> Is there any advantage to using 64-bit HPET?

Yes - it can tolerate long delays between ticks, e.g. caused by noidletick /
debuggers / target probes / smm etc. At least the first case will be fairly
important soon.

> It's read is even slower

Why? The read should be on cache line granuality and there shouldn't
be any difference in theory.

-Andi
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