[Qemu-devel] [Bug 1777293] Re: [REQUEST[ SHARING MEMORY WITH HOST

[Thomas Huth]

Sorry, but I have a hard to to imagine what you exactly mean here. Do
you mean a possibility for one application in the guest and one in the
host to share a piece of memory? Or do you mean that the operating
systems in the host and guest should somehow share the memory (why?)? Or
do you just look for a possibility to avoid that the guest has a lot of
memory allocated to it when it does not need it? In the latter case,
there is already virtio-balloon, so you should have a look at the virtio
drivers if you need something like this.

** Changed in: qemu
       Status: New => Incomplete

** Changed in: qemu
   Importance: Undecided => Wishlist

** Summary changed:

- [REQUEST[ SHARING MEMORY WITH HOST
+ [REQUEST] SHARING MEMORY WITH HOST

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https://bugs.launchpad.net/bugs/1777293

Title:
  [REQUEST] SHARING MEMORY WITH HOST

Status in QEMU:
  Incomplete

Bug description:
  Instead of a preallocated memory heap I would like for QEMU to share
  memory using shm.

  Example: Instead of using 16gb out of 32gb of ram to run Windows 10,
  there would be no option to allocate it, but to share the hosts
  resources; ie giving the host full access to the entire ram stack

  
  I'm not a great programmer but I'm pretty sure QEMU's team could find this 
useful

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