Messages in this thread | | | Subject | Re: [PATCH] cyclone-timer_A9 | From | john stultz <> | Date | 08 Aug 2002 19:03:37 -0700 |
| |
On Thu, 2002-08-08 at 06:18, Alan Cox wrote: > On Thu, 2002-08-08 at 03:15, john stultz wrote: > > Marcelo, > > This patch (which applies on top of my tsc-disable_B9 patch as well as > > James Cleverdon's summit patch), is a performance improvement for > > multi-CEC IBM x440 systems which suffer from drifting TSCs. Rather then > > forcing do_gettimeofday to call do_slow_gettimeoffset and access the PIT > > (as my tsc-disable patch does), passing "cyclone" as a boot option will > > make do_gettimeofday use a 100Mhz performance counter found in the > > Summit chipset. > > Why not probe for the summit chipset ?
Yea, its on my list. Once Jame's patch settles down I plan to piggy back off that.
Thanks! -john
- 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/
| |