Re: RFC - Approaches to user-space probes

[Frank Ch. Eigler]

Prasanna S Panchamukhi <prasanna@xxxxxxxxxx> writes:

> [...]
> If the executable is mmaped shared, then those mappings will get written
> back to the disk.
> Writting to the disk is not the requirement for user-space probes, it is
> just the side effect [...]

It's pretty clear that writing the dirtied pages to disk is an
*undesirable* side-effect, and should be eliminated.  (Among many
other scenarios, imagine a kernel shutting down without all the probes
being cleanly removed.  Then the executables are irretrievably
corrupted.)

- FChE
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