qemu-kvm/kvm-vdpa-Delete-CVQ-migration-blocker.patch
Miroslav Rezanina 19bc18cc9e * Thu Sep 29 2022 Miroslav Rezanina <mrezanin@redhat.com> - 7.1.0-2
- kvm-vdpa-Skip-the-maps-not-in-the-iova-tree.patch [RHELX-57]
- kvm-vdpa-do-not-save-failed-dma-maps-in-SVQ-iova-tree.patch [RHELX-57]
- kvm-util-accept-iova_tree_remove_parameter-by-value.patch [RHELX-57]
- kvm-vdpa-Remove-SVQ-vring-from-iova_tree-at-shutdown.patch [RHELX-57]
- kvm-vdpa-Make-SVQ-vring-unmapping-return-void.patch [RHELX-57]
- kvm-vhost-Always-store-new-kick-fd-on-vhost_svq_set_svq_.patch [RHELX-57]
- kvm-vdpa-Use-ring-hwaddr-at-vhost_vdpa_svq_unmap_ring.patch [RHELX-57]
- kvm-vhost-stop-transfer-elem-ownership-in-vhost_handle_g.patch [RHELX-57]
- kvm-vhost-use-SVQ-element-ndescs-instead-of-opaque-data-.patch [RHELX-57]
- kvm-vhost-Delete-useless-read-memory-barrier.patch [RHELX-57]
- kvm-vhost-Do-not-depend-on-NULL-VirtQueueElement-on-vhos.patch [RHELX-57]
- kvm-vhost_net-Add-NetClientInfo-start-callback.patch [RHELX-57]
- kvm-vhost_net-Add-NetClientInfo-stop-callback.patch [RHELX-57]
- kvm-vdpa-add-net_vhost_vdpa_cvq_info-NetClientInfo.patch [RHELX-57]
- kvm-vdpa-Move-command-buffers-map-to-start-of-net-device.patch [RHELX-57]
- kvm-vdpa-extract-vhost_vdpa_net_cvq_add-from-vhost_vdpa_.patch [RHELX-57]
- kvm-vhost_net-add-NetClientState-load-callback.patch [RHELX-57]
- kvm-vdpa-Add-virtio-net-mac-address-via-CVQ-at-start.patch [RHELX-57]
- kvm-vdpa-Delete-CVQ-migration-blocker.patch [RHELX-57]
- kvm-vdpa-Make-VhostVDPAState-cvq_cmd_in_buffer-control-a.patch [RHELX-57]
- kvm-vdpa-extract-vhost_vdpa_net_load_mac-from-vhost_vdpa.patch [RHELX-57]
- kvm-vdpa-Add-vhost_vdpa_net_load_mq.patch [RHELX-57]
- kvm-vdpa-validate-MQ-CVQ-commands.patch [RHELX-57]
- kvm-virtio-net-Update-virtio-net-curr_queue_pairs-in-vdp.patch [RHELX-57]
- kvm-vdpa-Allow-MQ-feature-in-SVQ.patch [RHELX-57]
- kvm-i386-reset-KVM-nested-state-upon-CPU-reset.patch [bz#2125281]
- kvm-i386-do-kvm_put_msr_feature_control-first-thing-when.patch [bz#2125281]
- kvm-Revert-Re-enable-capstone-internal-build.patch [bz#2127825]
- kvm-spec-Use-capstone-package.patch [bz#2127825]
- Resolves: RHELX-57
  (vDPA SVQ Multiqueue support )
- Resolves: bz#2125281
  ([RHEL9.1] Guests in VMX root operation fail to reboot with QEMU's 'system_reset' command [rhel-9.2.0])
- Resolves: bz#2127825
  (Use capstone for qemu-kvm build)
2022-09-29 03:59:55 -04:00

99 lines
3.4 KiB
Diff

From caa8a1d41ca1f2b9c4d1c6cc287c8ae22063b488 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
Date: Tue, 23 Aug 2022 20:30:37 +0200
Subject: [PATCH 19/29] vdpa: Delete CVQ migration blocker
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Laurent Vivier <lvivier@redhat.com>
RH-MergeRequest: 117: vDPA SVQ Multiqueue support
RH-Jira: RHELX-57
RH-Acked-by: Jason Wang <jasowang@redhat.com>
RH-Acked-by: Cindy Lu <lulu@redhat.com>
RH-Acked-by: Eugenio Pérez <eperezma@redhat.com>
RH-Commit: [19/25] d3e6c009f66e1dc0069323684af28936ae10d155 (redhat/centos-stream/src/qemu-kvm)
We can restore the device state in the destination via CVQ now. Remove
the migration blocker.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
(cherry picked from commit 0e3fdcffead7c651ce06ab50cffb89e806f04e2b)
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
hw/virtio/vhost-vdpa.c | 15 ---------------
include/hw/virtio/vhost-vdpa.h | 1 -
net/vhost-vdpa.c | 2 --
3 files changed, 18 deletions(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 23ae5ef48b..7468e44b87 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -1033,13 +1033,6 @@ static bool vhost_vdpa_svqs_start(struct vhost_dev *dev)
return true;
}
- if (v->migration_blocker) {
- int r = migrate_add_blocker(v->migration_blocker, &err);
- if (unlikely(r < 0)) {
- return false;
- }
- }
-
for (i = 0; i < v->shadow_vqs->len; ++i) {
VirtQueue *vq = virtio_get_queue(dev->vdev, dev->vq_index + i);
VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, i);
@@ -1082,10 +1075,6 @@ err:
vhost_svq_stop(svq);
}
- if (v->migration_blocker) {
- migrate_del_blocker(v->migration_blocker);
- }
-
return false;
}
@@ -1101,10 +1090,6 @@ static void vhost_vdpa_svqs_stop(struct vhost_dev *dev)
VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, i);
vhost_vdpa_svq_unmap_rings(dev, svq);
}
-
- if (v->migration_blocker) {
- migrate_del_blocker(v->migration_blocker);
- }
}
static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started)
diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h
index d10a89303e..1111d85643 100644
--- a/include/hw/virtio/vhost-vdpa.h
+++ b/include/hw/virtio/vhost-vdpa.h
@@ -35,7 +35,6 @@ typedef struct vhost_vdpa {
bool shadow_vqs_enabled;
/* IOVA mapping used by the Shadow Virtqueue */
VhostIOVATree *iova_tree;
- Error *migration_blocker;
GPtrArray *shadow_vqs;
const VhostShadowVirtqueueOps *shadow_vq_ops;
void *shadow_vq_ops_opaque;
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 640434d1ea..6ce68fcd3f 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -555,8 +555,6 @@ static NetClientState *net_vhost_vdpa_init(NetClientState *peer,
s->vhost_vdpa.shadow_vq_ops = &vhost_vdpa_net_svq_ops;
s->vhost_vdpa.shadow_vq_ops_opaque = s;
- error_setg(&s->vhost_vdpa.migration_blocker,
- "Migration disabled: vhost-vdpa uses CVQ.");
}
ret = vhost_vdpa_add(nc, (void *)&s->vhost_vdpa, queue_pair_index, nvqs);
if (ret) {
--
2.31.1