Rob Bradford f7197e8415 vmm: Add a "discard_writes=" to --pmem ... This opens the backing file read-only, makes the pages in the mmap() read-only and also makes the KVM mapping read-only. The file is also mapped with MAP_PRIVATE to make the changes local to this process only. This is functional alternative to having support for making a virtio-pmem device readonly. Unfortunately there is no concept of readonly virtio-pmem (or any type of NVDIMM/PMEM) in the Linux kernel so to be able to have a block device that is appears readonly in the guest requires significant specification and kernel changes. Signed-off-by: Rob Bradford <robert.bradford@intel.com>		2020-03-20 14:46:34 +01:00
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bin	bin: Share VFIO device syntax between cloud-hypervisor and ch-remote	2020-03-18 23:38:55 +00:00
main.rs	vmm: Add a "discard_writes=" to --pmem	2020-03-20 14:46:34 +01:00