On 03/14/2017 10:39 AM, Till Smejkal wrote:
Is this an indication that full virtual address spaces are useless?  It
would seem like if you only use virtual address segments then you avoid all
of the problems with executing code, active stacks, and brk.

What do you mean with *virtual address segments*? The nice part of first class
virtual address spaces is that one can share/reuse collections of address space
segments easily.

What do *I* mean?  You introduced the term, didn't you?
Rereading your original I see you called them "VAS segments".

Anyway, whatever they are called, it would seem that these segments do not require any of the syncing mechanisms that are causing you problems.


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