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SubjectRe: BUG: using smp_processor_id() in preemptible [00000000] code: icedove-bin/5449
On 25.05.2010 11:43, Ingo Molnar wrote:

> This doesnt fix the whole issue. cpu_clock() is local, while the measurements
> done in the blk code are global ...
>
> While the warning is fixed this way, the far more serious issue is still
> there: time can go backwards if two points of time measurement are on
> different CPUs and can mess up the statistics with negative values, etc...

How serious is this? Can it damage my data? I ask because the machine is
my private computer, not any test machine.

Regards,

Piotr Hosowicz

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