Re: [patch 13/19] GTOD: Mark TSC unusable for highres timers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



* Andi Kleen <[email protected]> wrote:

> > we could, but it would have to be almost empty right now :-) Reason: 
> > even on systems that have (hardware-initialized) 'perfect' TSCs and 
> > which do not support any frequency scaling or power-saving mode, our 
> > current TSC initialization on SMP systems introduces a small (1-2 usecs) 
> > skew.
> 
> On Intel we don't sync the TSC anymore [...]

yeah, after i reported this a few months ago ;-)

	Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux