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[PULL,v2,15/53] vdpa: use first queue SVQ state for CVQ default

Message ID b40eba9cdde3b041f02a9cbaa23ca0eeda9bd9c1.1696477105.git.mst@redhat.com
State New
Headers show
Series [PULL,v2,01/53] pci: SLT must be RO | expand

Commit Message

Michael S. Tsirkin Oct. 5, 2023, 3:43 a.m. UTC 
From: Eugenio Pérez <eperezma@redhat.com>

Previous to this patch the only way CVQ would be shadowed is if it does
support to isolate CVQ group or if all vqs were shadowed from the
beginning.  The second condition was checked at the beginning, and no
more configuration was done.

After this series we need to check if data queues are shadowed because
they are in the middle of the migration.  As checking if they are
shadowed already covers the previous case, let's just mimic it.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230822085330.3978829-2-eperezma@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 net/vhost-vdpa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 144b33f997..30dc7e77c9 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -509,7 +509,7 @@  static int vhost_vdpa_net_cvq_start(NetClientState *nc)
 
     s0 = vhost_vdpa_net_first_nc_vdpa(s);
     v->shadow_data = s0->vhost_vdpa.shadow_vqs_enabled;
-    v->shadow_vqs_enabled = s->always_svq;
+    v->shadow_vqs_enabled = s0->vhost_vdpa.shadow_vqs_enabled;
     s->vhost_vdpa.address_space_id = VHOST_VDPA_GUEST_PA_ASID;
 
     if (s->vhost_vdpa.shadow_data) {