Re: [PATCH] (0/4) Entropy accounting fixes

Jonathan Lundell (linux@lundell-bros.com)
Sun, 18 Aug 2002 10:31:44 -0700

At 11:30 AM +0100 8/18/02, Alan Cox wrote:
>Its probably true there are low bits of randomness available from such
>sources providing we know the machine has a tsc, unless the I/O APIC is
>clocked at a divider of the processor clock in which case our current
>behaviour is probably much saner.

The clock spec for the APIC bus makes it very convenient to clock it
at 16.66_ MHz, 1/2 (or some other submultiple) of the PCI clock,
which of course would be highly correlated with the low bits of TSC.

-- 
/Jonathan Lundell.
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