lkml.org 
[lkml]   [2002]   [Aug]   [18]   [last100]   RSS Feed
Views: [more markup]   [less markup]   [headers]   [forward]  
 
Messages in this thread
/
DateSun, 18 Aug 2002 10:31:44 -0700
FromJonathan Lundell <>
SubjectRe: [PATCH] (0/4) Entropy accounting fixes
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/

\
 
 \ /
  Last update: 2005-03-22 12:28    [W:0.698 / U:0.280 seconds]
©2003-2008 Jasper Spaans