On Thu, Jan 22, 2026 at 06:03:26PM -0500, Peter Xu wrote: > CI: https://gitlab.com/peterx/qemu/-/pipelines/2280356561 > > Two major goals for this small series: > > - Fix postcopy issue where DONE and FAILED notifiers will be invoked twice > > - Move FAILED notifier to be before vm_start() if the failure happens > during switchover (where we will stop the VM first) > > The 2nd goal will be needed by Stefan's ongoing work on block persistent > reservations, where a fallback should be required on src to happen before > vm_start(). Instead of introducing another FAILED_BEFORE_START, this > patchset should make FAILED work instead. > > Patch 1 adds a tracepoint for me to verify this fix. > > Patch 2-3 are the real changes of above two. > > Patch 3-4 are some cleanups alone the context that we can do, hence > attached at the end. > > More details in commit logs individually. Comments welcomed, thanks. > > Peter Xu (5): > migration: Add a tracepoint for invoking migration notifiers > migration: Fix double notification of DONE/FAIL for postcopy > migration: Notify migration FAILED before starting VM > migration: Drop explicit block activation in postcopy fail path > migration: Rename MIG_EVENT_PRECOPY_* to MIG_EVENT_* > > include/migration/misc.h | 15 ++++++++------- > hw/intc/arm_gicv3_kvm.c | 2 +- > hw/net/virtio-net.c | 4 ++-- > hw/vfio/cpr-legacy.c | 2 +- > hw/vfio/cpr.c | 8 ++++---- > hw/vfio/migration.c | 4 ++-- > migration/cpr-exec.c | 6 +++--- > migration/migration.c | 30 +++++++++++++++++++++--------- > net/vhost-vdpa.c | 4 ++-- > ui/spice-core.c | 7 ++++--- > migration/trace-events | 1 + > 11 files changed, 49 insertions(+), 34 deletions(-) > > -- > 2.50.1 >
Thank you! Acked-by: Stefan Hajnoczi <[email protected]>
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