RFC: KUSER_SHARED_DATA update patch to fix bug 29168

[Kornél Pál]

On 3/22/2012 2:19 PM, Vitaliy Margolen wrote:
> BTW one more thing, this change will most likely break number of copy
> protection systems. Such as safedisk. They use user shared date times to
> estimate time it took for some kernel operations. And some of those time
> intervals are really tight.

I'm not sure that preventig measuring time is a good practice.

Since there are a plenty of ways to measure elapsed time, I don't think 
that this specific way should generally be prohibited.

Thank you.

Kornel