On Fri, 2005-08-05 at 01:34 +0800, Albert Lee wrote: > Jeff, > > Patch 2/3: pdc2027x mdelay() problem fix for micro-partitioning > > Description: > The mdelay(100) does not delay exactly 100 ms on IBM power5 machines when > the power5 CPU micro-partitioning feature is turned on. > Ex. If micro-partitioning is set to use 0.1 of the CPU time, mdelay(100) will > delay about 1 sec instead of 100ms.
How so ? mdelay() implementation on ppc64 uses the timebase register, it should tick at a constant speed and be calibrated at boot. Ben. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
