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[PATCH 27/31] vdpa: Never set log_base addr if SVQ is enabled
From: |
Eugenio Pérez |
Subject: |
[PATCH 27/31] vdpa: Never set log_base addr if SVQ is enabled |
Date: |
Fri, 21 Jan 2022 21:27:29 +0100 |
Setting the log address would make the device start reporting invalid
dirty memory because the SVQ vrings are located in qemu's memory.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
hw/virtio/vhost-vdpa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index ab729b3371..fb0a338baa 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -648,7 +648,8 @@ static int vhost_vdpa_get_config(struct vhost_dev *dev,
uint8_t *config,
static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base,
struct vhost_log *log)
{
- if (vhost_vdpa_one_time_request(dev)) {
+ struct vhost_vdpa *v = dev->opaque;
+ if (v->shadow_vqs_enabled || vhost_vdpa_one_time_request(dev)) {
return 0;
}
--
2.27.0
- Re: [PATCH 21/31] util: Add iova_tree_alloc, (continued)
- [PATCH 20/31] util: Store DMA entries in a list, Eugenio Pérez, 2022/01/21
- [PATCH 22/31] vhost: Add VhostIOVATree, Eugenio Pérez, 2022/01/21
- [PATCH 24/31] vhost: Add vhost_svq_get_last_used_idx, Eugenio Pérez, 2022/01/21
- [PATCH 23/31] vdpa: Add custom IOTLB translations to SVQ, Eugenio Pérez, 2022/01/21
- [PATCH 25/31] vdpa: Adapt vhost_vdpa_get_vring_base to SVQ, Eugenio Pérez, 2022/01/21
- [PATCH 26/31] vdpa: Clear VHOST_VRING_F_LOG at vhost_vdpa_set_vring_addr in SVQ, Eugenio Pérez, 2022/01/21
- [PATCH 27/31] vdpa: Never set log_base addr if SVQ is enabled,
Eugenio Pérez <=
- [PATCH 28/31] vdpa: Expose VHOST_F_LOG_ALL on SVQ, Eugenio Pérez, 2022/01/21
- [PATCH 29/31] vdpa: Make ncs autofree, Eugenio Pérez, 2022/01/21
- [PATCH 30/31] vdpa: Move vhost_vdpa_get_iova_range to net/vhost-vdpa.c, Eugenio Pérez, 2022/01/21
- [PATCH 31/31] vdpa: Add x-svq to NetdevVhostVDPAOptions, Eugenio Pérez, 2022/01/21
- Re: [PATCH 00/31] vDPA shadow virtqueue, Jason Wang, 2022/01/28