59 lines
2.5 KiB
Diff
59 lines
2.5 KiB
Diff
From 0ba11af2300d0aaf80456575e03848f843ae29de Mon Sep 17 00:00:00 2001
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Message-Id: <0ba11af2300d0aaf80456575e03848f843ae29de@dist-git>
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From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
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Date: Thu, 21 Jul 2022 19:29:15 +0200
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Subject: [PATCH] qemu: remove hardcoded migration fail for vDPA devices if we
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can ask QEMU
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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vDPA devices will be migratable soon, so we shouldn't unconditionally
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block migration of any domain with a vDPA device. Instead, we should
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rely on QEMU to make the decision when that info is available from the
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query-migrate QMP command (QEMU versions too old to have that info in
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the results of query-migrate don't support migration of vDPA devices,
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so in that case we will continue to unconditionally block migration).
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Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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Reviewed-by: Laine Stump <laine@redhat.com>
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(cherry picked from commit 2103807e330487952f423d86f541a7a28e003e95)
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Resolves: https://bugzilla.redhat.com/2092833
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Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
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---
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src/qemu/qemu_migration.c | 8 +++++---
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1 file changed, 5 insertions(+), 3 deletions(-)
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diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
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index cfb7626bb0..2f77e45abf 100644
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--- a/src/qemu/qemu_migration.c
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+++ b/src/qemu/qemu_migration.c
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@@ -1455,9 +1455,11 @@ qemuMigrationSrcIsAllowed(virQEMUDriver *driver,
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int nsnapshots;
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int pauseReason;
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size_t i;
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+ bool blockedReasonsCap = virQEMUCapsGet(priv->qemuCaps,
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+ QEMU_CAPS_MIGRATION_BLOCKED_REASONS);
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- /* Ask qemu if it has a migration blocker */
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- if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_MIGRATION_BLOCKED_REASONS)) {
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+ /* Ask qemu if it have a migration blocker */
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+ if (blockedReasonsCap) {
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g_auto(GStrv) blockers = NULL;
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if (qemuDomainGetMigrationBlockers(driver, vm, &blockers) < 0)
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return false;
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@@ -1576,7 +1578,7 @@ qemuMigrationSrcIsAllowed(virQEMUDriver *driver,
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virDomainNetDef *net = vm->def->nets[i];
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qemuSlirp *slirp;
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- if (net->type == VIR_DOMAIN_NET_TYPE_VDPA) {
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+ if (!blockedReasonsCap && net->type == VIR_DOMAIN_NET_TYPE_VDPA) {
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virReportError(VIR_ERR_OPERATION_INVALID, "%s",
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_("vDPA devices cannot be migrated"));
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return false;
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--
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2.35.1
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