716a3942b3
- kvm-scsi-generic-Fix-emulated-block-limits-VPD-page.patch [bz#2120275] - kvm-vhost-Get-vring-base-from-vq-not-svq.patch [bz#2114060] - kvm-vdpa-Skip-the-maps-not-in-the-iova-tree.patch [bz#2114060] - kvm-vdpa-do-not-save-failed-dma-maps-in-SVQ-iova-tree.patch [bz#2114060] - kvm-util-Return-void-on-iova_tree_remove.patch [bz#2114060] - kvm-util-accept-iova_tree_remove_parameter-by-value.patch [bz#2114060] - kvm-vdpa-Remove-SVQ-vring-from-iova_tree-at-shutdown.patch [bz#2114060] - kvm-vdpa-Make-SVQ-vring-unmapping-return-void.patch [bz#2114060] - kvm-vhost-Always-store-new-kick-fd-on-vhost_svq_set_svq_.patch [bz#2114060] - kvm-vdpa-Use-ring-hwaddr-at-vhost_vdpa_svq_unmap_ring.patch [bz#2114060] - kvm-vhost-stop-transfer-elem-ownership-in-vhost_handle_g.patch [bz#2114060] - kvm-vhost-use-SVQ-element-ndescs-instead-of-opaque-data-.patch [bz#2114060] - kvm-vhost-Delete-useless-read-memory-barrier.patch [bz#2114060] - kvm-vhost-Do-not-depend-on-NULL-VirtQueueElement-on-vhos.patch [bz#2114060] - kvm-vhost_net-Add-NetClientInfo-start-callback.patch [bz#2114060] - kvm-vhost_net-Add-NetClientInfo-stop-callback.patch [bz#2114060] - kvm-vdpa-add-net_vhost_vdpa_cvq_info-NetClientInfo.patch [bz#2114060] - kvm-vdpa-Move-command-buffers-map-to-start-of-net-device.patch [bz#2114060] - kvm-vdpa-extract-vhost_vdpa_net_cvq_add-from-vhost_vdpa_.patch [bz#2114060] - kvm-vhost_net-add-NetClientState-load-callback.patch [bz#2114060] - kvm-vdpa-Add-virtio-net-mac-address-via-CVQ-at-start.patch [bz#2114060] - kvm-vdpa-Delete-CVQ-migration-blocker.patch [bz#2114060] - kvm-virtio-scsi-fix-race-in-virtio_scsi_dataplane_start.patch [bz#2099541] - Resolves: bz#2120275 (Wrong max_sectors_kb and Maximum transfer length on the pass-through device [rhel-9.1]) - Resolves: bz#2114060 (vDPA state restore support through control virtqueue in Qemu) - Resolves: bz#2099541 (qemu coredump with error Assertion `qemu_mutex_iothread_locked()' failed when repeatly hotplug/unplug disks in pause status)
50 lines
1.7 KiB
Diff
50 lines
1.7 KiB
Diff
From 51c1e9cf1612727ec4c6e795576ae8fa0c0b2d4c Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
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Date: Tue, 23 Aug 2022 20:20:05 +0200
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Subject: [PATCH 07/23] vdpa: Remove SVQ vring from iova_tree at shutdown
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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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RH-Author: Eugenio Pérez <eperezma@redhat.com>
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RH-MergeRequest: 116: vdpa: Restore device state on destination
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RH-Bugzilla: 2114060
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RH-Acked-by: Cindy Lu <lulu@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Commit: [6/21] f72e67b9c90103151cbf86bff53e8f14b30f0e5b (eperezmartin/qemu-kvm)
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2114060
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Upstream status: git@github.com:jasowang/qemu.git net-next
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Although the device will be reset before usage, the right thing to do is
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to clean it.
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Reported-by: Lei Yang <leiyang@redhat.com>
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Fixes: 34e3c94eda ("vdpa: Add custom IOTLB translations to SVQ")
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Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
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Signed-off-by: Jason Wang <jasowang@redhat.com>
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(cherry picked from commit 0c45fa6c420ec3a1dd9ea9c40fa11bd943bb3be9)
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---
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hw/virtio/vhost-vdpa.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
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index 39aa70f52d..e5c264fb29 100644
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--- a/hw/virtio/vhost-vdpa.c
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+++ b/hw/virtio/vhost-vdpa.c
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@@ -896,6 +896,12 @@ static bool vhost_vdpa_svq_unmap_ring(struct vhost_vdpa *v,
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size = ROUND_UP(result->size, qemu_real_host_page_size);
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r = vhost_vdpa_dma_unmap(v, result->iova, size);
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+ if (unlikely(r < 0)) {
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+ error_report("Unable to unmap SVQ vring: %s (%d)", g_strerror(-r), -r);
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+ return false;
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+ }
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+
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+ vhost_iova_tree_remove(v->iova_tree, *result);
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return r == 0;
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}
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--
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2.31.1
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