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| author | John Levon <john.levon@nutanix.com> | 2023-09-18 10:51:10 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-09-18 10:51:10 +0100 |
| commit | 3c18696427c4db338919f9a9e1943589a5a523b5 (patch) | |
| tree | b4593cdc5eabd081fd8bf6212bc17ec23cbb5048 | |
| parent | 190f85bf9c114bf7c981bb8908394368f84c0c04 (diff) | |
| download | libvfio-user-3c18696427c4db338919f9a9e1943589a5a523b5.zip libvfio-user-3c18696427c4db338919f9a9e1943589a5a523b5.tar.gz libvfio-user-3c18696427c4db338919f9a9e1943589a5a523b5.tar.bz2 | |
Add some notes on live migration version and SPDK usage. (#783)
Signed-off-by: John Levon <john.levon@nutanix.com>
| -rw-r--r-- | README.md | 9 | ||||
| -rw-r--r-- | docs/spdk.md | 5 |
2 files changed, 14 insertions, 0 deletions
@@ -241,6 +241,15 @@ demonstrate the benefits of shadow ioeventfd, see Other usage notes ================= +Live migration +-------------- + +The `master` branch of `libvfio-user` implements live migration with a protocol +based on vfio's v2 protocol. Currently, there is no support for this in any qemu +client. For current use cases that support live migration, such as SPDK, you +should refer to the [https://github.com/nutanix/libvfio-user/tree/migration-v1] +(migration-v1 branch). + qemu ---- diff --git a/docs/spdk.md b/docs/spdk.md index 5007239..2af2a39 100644 --- a/docs/spdk.md +++ b/docs/spdk.md @@ -96,6 +96,11 @@ Finally, type `q` in the source QEMU monitor to exit source QEMU. For more information in live migration see https://www.linux-kvm.org/page/Migration. +Note that the above live migration code in `qemu` and `SPDK` relies on the older +live migration format, this is kept in the +[https://github.com/nutanix/libvfio-user/tree/migration-v1](migration-v1) +branch of `libvfio-user`. + libvirt ------- |