[Qemu-devel] [PATCH] Improve file-backed RAM

2018-06-06 Thread Lingfeng Yang via Qemu-devel
1. Add support for all platforms 2. Add option to map in shared mode, allowing the guest to write through to the backing file Taken together, this allows one to write RAM snapshots as the guest is running. Saving RAM snapshots is then equivalent to exiting the qemu process or unmapping the file. T

[Qemu-devel] [PATCH] Improve file-backed RAM

2018-06-06 Thread Lingfeng Yang via Qemu-devel
1. Add support for all platforms 2. Add option to map in shared mode, allowing the guest to write through to the backing file Taken together, this allows one to write RAM snapshots as the guest is running. Saving RAM snapshots is then equivalent to exiting the qemu process or unmapping the file. T