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migration: Enable new switchover-ack

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Now that VFIO has implemented new switchover-ack, enable it for new
machines and keep legacy behavior for old machines.

Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Link: https://lore.kernel.org/qemu-devel/20260706085211.13905-15-avihaih@nvidia.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Avihai Horon
2026-07-06 11:52:09 +03:00
committed by Cédric Le Goater
parent 941f269923
commit 13a9616805
2 changed files with 2 additions and 2 deletions
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1
hw/core/machine.c
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@@ -48,6 +48,7 @@ GlobalProperty hw_compat_11_0[] = {
{ TYPE_ARM_SMMUV3, "ril", "on" },
{ TYPE_ARM_SMMUV3, "ssidsize", "0" },
{ TYPE_ARM_SMMUV3, "oas", "44" },
{ "migration", "switchover-ack-legacy", "on" },
};
const size_t hw_compat_11_0_len = G_N_ELEMENTS(hw_compat_11_0);

3
migration/options.c
View File

@@ -110,9 +110,8 @@ const Property migration_properties[] = {
preempt_pre_7_2, false),
DEFINE_PROP_BOOL("multifd-clean-tls-termination", MigrationState,
multifd_clean_tls_termination, true),
/* Use legacy until VFIO implements new switchover-ack */
DEFINE_PROP_BOOL("switchover-ack-legacy", MigrationState,
switchover_ack_legacy, true),
switchover_ack_legacy, false),
/* Migration parameters */
DEFINE_PROP_UINT8("x-throttle-trigger-threshold", MigrationState,