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X-Bullshit: converged mobile interface base hardware persistence generator 
Subject: Re: [9front] Thoughts on Wayland?
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Quoth David Leimbach <leimy2k@icloud.com>:
> 
> > 
> >> 
> >> While it's theoretically possible to do mmap over 9p, it's not going to
> >> be a good experience.
> 
> Is it substantially worse than mmap’ing over NFS? I can imagine a lot of panic or deadlock cases but…. Yeah that’s true for NFS also. At least a core dump.
> 

I'm not familiar enough with the internals of the NFS
protocol to say for sure.

However, dont' just consider deadlock, consider coherence.
What happens if you put a mutex into shm, and two machines
try to lock it at the same time?

How do you avoid turning every single memory access into
a network round trip without some sort of sideband protocol?

What happens if a laptop participating in that coherence
mechanism gets its lid closed and hibernates for an hour or
three, and then comes back?