Messages in this thread | | | Date | Tue, 14 Sep 2004 14:22:29 -0400 (EDT) | From | Zwane Mwaikambo <> | Subject | Re: [patch] sched: fix scheduling latencies in mtrr.c |
| |
On Tue, 14 Sep 2004, Ingo Molnar wrote:
> > > fix scheduling latencies in the MTRR-setting codepath. > > Also, fix bad bug: MTRR's _must_ be set with interrupts disabled! > > patch attached ... > > caveat: one of the wbinvd() removals is correct i believe, but the other > one might be problematic. It doesnt seem logical to do a wbinvd() at > that point though ...
Just a data point, Volume 3 "MTRR considerations in MP systems" states that the second wbinvd() isn't required for P6 and Pentium 4 but might be necessary for future systems.
Zwane
- 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/
| |