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Tsirkin" , Jason Wang Subject: [PULL V3 9/9] vdpa: fix VHOST_BACKEND_F_IOTLB_ASID flag check Date: Fri, 17 Feb 2023 13:43:35 +0800 Message-Id: <20230217054335.57595-10-jasowang@redhat.com> In-Reply-To: <20230217054335.57595-1-jasowang@redhat.com> References: <20230217054335.57595-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.129.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Eugenio Pérez 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 Reviewed-by: Michael S. Tsirkin Acked-by: Jason Wang Signed-off-by: Jason Wang --- 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 1a13a34..de5ed8f 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; }