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SubjectRe: The disappearing sys_call_table export.
Christoph Hellwig wrote:

>Maybe you have a different notion of proper mechanism then everyone
Out of personal interest - would a mechanism that promised the following
be considered a "proper mechanism"?
1. Work on all platforms.
2. Allow load and unload in arbitrary order and timings (which also
means "be race free").
3. Have low/zero overhead if not used

Would you also require:
4. Have reasonable overhead when used
a "must have" demand? Would, on the other hand, a:
4b. Have zero overhead when used for functions not hooked
be an alternative demand?

I'm currently trying to work with some other subscribers of this list on
a design. Getting 1, 2 and 3 is a complicated enough task, of course. I
would like to hear estimates about inclusion chances should we manage to
come up with an implmentation that lives up to all the above.


Shachar Shemesh
Open Source integration consultant
Home page & resume -

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