Re: [PATCH 01/10] i386: Make pmtimer tsc calibration not take 51 seconds to fail

2020-04-06 Thread Javier Martinez Canillas
Hello Daniel, On 4/3/20 6:40 PM, Daniel Kiper wrote: [snip] >> >> I've also tested this outcome on a real Intel Xeon E3-1275v3 on an Intel >> Server Board S1200V3RPS using the SDV.RP.B8 "Release" build here: >> https://firmware.intel.com/sites/default/files/UEFIDevKit_S1200RP_vB8.zip >> >> Signe

Re: [PATCH 01/10] i386: Make pmtimer tsc calibration not take 51 seconds to fail

2020-04-03 Thread Daniel Kiper
On Fri, Mar 13, 2020 at 08:06:33PM +0100, Javier Martinez Canillas wrote: > From: Peter Jones > > On my laptop running at 2.4GHz, if I run a VM where tsc calibration > using pmtimer will fail presuming a broken pmtimer, it takes ~51 seconds > to do so (as measured with the stopwatch on my phone),

[PATCH 01/10] i386: Make pmtimer tsc calibration not take 51 seconds to fail

2020-03-13 Thread Javier Martinez Canillas
From: Peter Jones On my laptop running at 2.4GHz, if I run a VM where tsc calibration using pmtimer will fail presuming a broken pmtimer, it takes ~51 seconds to do so (as measured with the stopwatch on my phone), with a tsc delta of 0x1cd1c85300, or around 125 billion cycles. If instead of tryi