kus Kusche Klaus wrote:
You don't explain how making the Linux kernel hard-RT
will be so much simpler and more supportable!
I didn't state that a hard-RT linux is simpler, technically
(however, personally, I believe that once RT linux is there, *our*
job of writing RT applications, device drivers, ... will be simpler
compared to a nanokernel approach).
Perhaps very slightly simpler. Let's keep in mind that we're
not talking about "hello, world" apps here though, so I don't
think such a general statement is of any use.
I just stated that for the management, with its limited interest and
understanding of deep technical details (and, in our case, with bad
experiences with RT plus non-RT OS solutions), a one-system solution
*sounds* much simpler, easier to understand, and easier to manage.
So does Windows NT to some. But let's stick to technical details.
Decisions in companies aren't based on purely technical facts,
sometimes not even on rational arguments...
And concerning support:
[...]
Hence, w.r.t. support, the nanokernel approach looks much worse.
Gee, I think you're treading very thin ground there. Basing your
argument on what possible companies or communities might possibly
support one of two unimplemented solutions.
What's more, there is no reason why a hard-RT guest kernel, or the
host nanokernel would be closed source.
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