L4Re IPC share memory that share file in one Linux filesystem and be visible to other Linuxes
matthias.lange at kernkonzept.com
Wed Jul 5 22:58:08 CEST 2017
On 07/05/2017 05:47 AM, Joyce Peng(彭美僑) wrote:
> Hi L4,
> I want to share a file in one Linux filesystem and be visible to other
> Linuxes that all run on top Fiasco.OC. It seems an IPC communication
> between L4re vm tasks. And access a file in Linux filesystem is a
> mechanism of kernel block device driver. But I only notice two char
> device drivers that use L4re library l4shmc in L4linux. It is l4ser_shm
> and l4shmnet. May you give some information about this work how to work.
Have you thought about how to syncronize access to the filesystem
between the two VMs?
The easiest approach would be to setup a (virtual) network connection
between the two VMs and let one VM provide the filesystem via NFS, NBD
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