Re: [PATCH v10 0/7] Add Fieldbus subsystem + support HMS Profinet card
From: Sven Van Asbroeck
Date: Tue Apr 16 2019 - 18:13:21 EST
On Tue, Apr 16, 2019 at 5:21 PM Enrico Weigelt, metux IT consult
<lkml@xxxxxxxxx> wrote:
>
>
> Yet another question: does each fieldbus_dev instance talk to exactly
> one plc process memory, or can there be many ?
>
> Having separate device nodes per plc process memory seems a good idea
> for finer access control (via chown+friends).
>
PS do you have a specific fieldbus device in mind which could be added
to Linux? Would it support multiple plc process memories?
Sven