qemu-kvm/kvm-vdpa-fix-VHOST_BACKEND_F_IOTLB_ASID-flag-check.patch
Miroslav Rezanina 9b81b4ad6b * Mon Feb 06 2023 Miroslav Rezanina <mrezanin@redhat.com> - 7.2.0-7
- kvm-vdpa-use-v-shadow_vqs_enabled-in-vhost_vdpa_svqs_sta.patch [bz#2104412]
- kvm-vhost-set-SVQ-device-call-handler-at-SVQ-start.patch [bz#2104412]
- kvm-vhost-allocate-SVQ-device-file-descriptors-at-device.patch [bz#2104412]
- kvm-vhost-move-iova_tree-set-to-vhost_svq_start.patch [bz#2104412]
- kvm-vdpa-add-vhost_vdpa_net_valid_svq_features.patch [bz#2104412]
- kvm-vdpa-request-iova_range-only-once.patch [bz#2104412]
- kvm-vdpa-move-SVQ-vring-features-check-to-net.patch [bz#2104412]
- kvm-vdpa-allocate-SVQ-array-unconditionally.patch [bz#2104412]
- kvm-vdpa-add-asid-parameter-to-vhost_vdpa_dma_map-unmap.patch [bz#2104412]
- kvm-vdpa-store-x-svq-parameter-in-VhostVDPAState.patch [bz#2104412]
- kvm-vdpa-add-shadow_data-to-vhost_vdpa.patch [bz#2104412]
- kvm-vdpa-always-start-CVQ-in-SVQ-mode-if-possible.patch [bz#2104412]
- kvm-vdpa-fix-VHOST_BACKEND_F_IOTLB_ASID-flag-check.patch [bz#2104412]
- kvm-spec-Disable-VDUSE.patch [bz#2128222]
- Resolves: bz#2104412
  (vDPA ASID support in Qemu)
- Resolves: bz#2128222
  (VDUSE block export should be disabled in builds for now)
2023-02-06 10:05:42 -05:00

49 lines
1.8 KiB
Diff

From 46e80a9350a02fdb5689638df96bc7389e953cf8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
Date: Tue, 17 Jan 2023 11:53:08 +0100
Subject: [PATCH 13/14] vdpa: fix VHOST_BACKEND_F_IOTLB_ASID flag check
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Eugenio Pérez <eperezma@redhat.com>
RH-MergeRequest: 136: vDPA ASID support in Qemu
RH-Bugzilla: 2104412
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Acked-by: Cindy Lu <lulu@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Commit: [13/13] b7fb4b8e9ea26b6664a9179ed0a88376acf5115f (eperezmartin/qemu-kvm)
VHOST_BACKEND_F_IOTLB_ASID is the feature bit, not the bitmask. Since
the device under test also provided VHOST_BACKEND_F_IOTLB_MSG_V2 and
VHOST_BACKEND_F_IOTLB_BATCH, this went unnoticed.
Fixes: c1a1008685 ("vdpa: always start CVQ in SVQ mode if possible")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Upstream status: git@github.com:jasowang/qemu.git
(cherry picked from commit 2bd492bca521ee8594f1d5db8dc9aac126fc4f85)
---
net/vhost-vdpa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 07d33dae26..7d9c4ea09d 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -384,7 +384,7 @@ static int vhost_vdpa_net_cvq_start(NetClientState *nc)
g_strerror(errno), errno);
return -1;
}
- if (!(backend_features & VHOST_BACKEND_F_IOTLB_ASID) ||
+ if (!(backend_features & BIT_ULL(VHOST_BACKEND_F_IOTLB_ASID)) ||
!vhost_vdpa_net_valid_svq_features(v->dev->features, NULL)) {
return 0;
}
--
2.31.1