Re: [patch 4/9] Remove the TSC synchronization on SMP machines

On Fri, 2 Feb 2007, Andi Kleen wrote:

> I've threatened to just disable RDTSC for ring 3 before, but it'll likely
> never happen because too many programs use it.

Those programs are aware that they are fiddling around with low level 
material but with this patchset we are going to have a non 
monotonic time subsystem? Programs expects gettimeofday() etc to be 
monotonic. Its going to a big surprise if that is not working anymore.

-
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/

Follow-Ups:
- Re: [patch 4/9] Remove the TSC synchronization on SMP machines
  - From: Arjan van de Ven <[email protected]>

References:
- [patch 0/9] x86_64: reliable TSC-based gettimeofday
  - From: [email protected]
- Re: [patch 4/9] Remove the TSC synchronization on SMP machines
  - From: Jiri Bohac <[email protected]>
- Re: [patch 4/9] Remove the TSC synchronization on SMP machines
  - From: Vojtech Pavlik <[email protected]>
- Re: [patch 4/9] Remove the TSC synchronization on SMP machines
  - From: Andi Kleen <[email protected]>

Prev by Date: Re: [PATCH] Add an option for the VIA C7 which sets appropriate L1 cache
Next by Date: [PATCH] video4linux: Fix audio input for AverTv Go 007
Previous by thread: Re: [patch 4/9] Remove the TSC synchronization on SMP machines
Next by thread: Re: [patch 4/9] Remove the TSC synchronization on SMP machines
Index(es):
- Date
- Thread

[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]