Messages in this thread | | | Date | Mon, 12 Feb 2007 16:34:07 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: [patch 4/9] Remove the TSC synchronization on SMP machines |
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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.
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