On Fri, Jul 26, 2019 at 05:57:02AM -0700, brendan.h...@gmail.com wrote:
> Hi,
> 
> Does XEN expose any sort of configuration-controlled feature or interface 
> that would sets aside XEN-owned memory in a way that can be exposed as a 
> block device within dom0, for use as a RAM disk?
> 
> Or, should I just utilize the straightforward approach of adding the amount 
> of RAM I wish to use as a RAM disk to the baseline dom0 RAM configuration, 
> and then set up the RAM disk in dom0?
> 
> B
> 

Straightforward works fine. 
You can use file driver or create thin pool in /dev/shm and register it
with Qubes as normal.
For safety I delete qubes, clean up and deregister the pool on shutdown,
but I don't think this is necessary.

unman

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