Re: [PATCH] BSD Secure Levels LSM

From: Serge E. Hallyn (hallyn@private)
Date: Mon Dec 01 2003 - 12:00:05 PST

  • Next message: Serge E. Hallyn: "Re: [PATCH] BSD Secure Levels LSM" 

    > > That seemed counter-productive.  Do we really want to have to privately
> > mimick that functionality?
> 
> No, but warp_clock() will change the time, so it would be a bad
> side-effect for a module to recreate.

Right - it changes the meaning of the value passed into the function, so
a module would have to privately consider whether it also needs to change
that value.

> It's only called, typically,
> during boot when setting the timezone.

But it is called from user space, presumably after compiled-in modules
are initialized.  So by leaving the hook there, we are in effect saying
"erroneous values can be passed in exactly once, but we're ok with that."

Right?

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