pve-qemu-qoup/debian/patches/extra/0016-vdpa-Fix-bad-index-calculus-at-vhost_vdpa_get_vring_.patch
Fabian Ebner 14ed554660 cherry-pick upstream fixes for 7.0.0
coming in via qemu-stable (except for the vdmk fix, which was tagged
for-7.0 on the qemu-devel list, but didn't make it into the release).

Also took the chance to switch the gluster fix to the version that
made it into upstream.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
2022-06-29 12:29:30 +02:00

40 lines
1.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
Date: Thu, 12 May 2022 19:57:44 +0200
Subject: [PATCH] vdpa: Fix bad index calculus at vhost_vdpa_get_vring_base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Fixes: 6d0b222666 ("vdpa: Adapt vhost_vdpa_get_vring_base to SVQ")
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20220512175747.142058-4-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry-picked from commit 639036477ef890958415967e753ca2cbb348c16c)
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---
hw/virtio/vhost-vdpa.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 8adf7c0b92..8555a84f87 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -1170,11 +1170,11 @@ static int vhost_vdpa_get_vring_base(struct vhost_dev *dev,
struct vhost_vring_state *ring)
{
struct vhost_vdpa *v = dev->opaque;
+ int vdpa_idx = ring->index - dev->vq_index;
int ret;
if (v->shadow_vqs_enabled) {
- VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs,
- ring->index);
+ VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, vdpa_idx);
/*
* Setting base as last used idx, so destination will see as available