Messages in this thread | | | Date | Mon, 26 May 2008 17:52:27 -0400 | From | Bill Fink <> | Subject | Re: [PATCH] drivers/net: remove network drivers' last few uses of IRQF_SAMPLE_RANDOM |
| |
On Mon, 26 May 2008, Krzysztof Halasa wrote:
> Bill Fink <billfink@mindspring.com> writes: > > > Another idea that occured to me: How about using the low order bits > > of the instruction memory address being executed that was interrupted > > by the HZ timer interrupt. > > Think of constant-instructions-length processors :-)
I'm not sure what you're driving at, but if it's that you shouldn't use the very last 2 or 3 bits, then sure those should be excluded. But that still leaves 9 or 10 bits at least in the page offset, and that's being conservative in the number of address bits to sample.
-Bill
| |