Questions about Fiasco.OC scheduler and L4Linux

[Marc CHALAND]

Hi,
I'm doing a study to port old software on top of Fiasco.OC. This soft uses
routines which blocks thread scheduling between EnterRegion and LeaveRegion
call. Is there any equivalent on TUDOS ? Did somebody already get this
challenge ?
I would like to know if L4Linux uses Fiasco.OC scheduler or a user land one
?
For our i.MX7d board, Freescale provides Linux drivers on 4.1. I don't know
yet how many drivers we will need. Do you think it is better to port
drivers from 4.1 to L4Linux 4.3 or later or get a L4Linux 4.1. I have no
idea about the complexity on doing this.
Regards
Marc
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