Messages in this thread | | | Subject | Re: [PATCH] tsc-disable_B9 | From | Alan Cox <> | Date | 11 Aug 2002 21:16:17 +0100 |
| |
On Fri, 2002-08-09 at 18:46, john stultz wrote: > Oh yes, with the old NUMAQ hardware here, one can mix nodes of different > speed cpus. Once I get a chance, I'm going to begin working on this > issue for 2.5. My plan right now is to keep per-cpu last_tsc_low and > fast_gettimeoffset_quotient values, then round robin the timer > interrupt.
I wouldn't worry too much about it. With a pre-emptible kernel in 2,5 the tsc using code can jump processors and get disturbed. The right answer is not to use tsc for time clocks unless we have no other good option. Stuff like HPET will help no end
Alan
- 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/
| |