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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Aug 23 2002 - 22:00:15 EST