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bh=MXrNgTkNh+1MXsfxk/m4LedxMPsVSjrO2kNC+6esI/I=; b=dErXbKKHjwrsEE4S//wXANrRhyZ1Foh8x+Zq2jXwRb4Gx6v1//JtdSvbPKGovggPUiee59 yL21piog/5ru4XDYYjYoTlCpuhAozcg+Aq0GZRwgU33jwW39tiKCQp8F72ysn7Ju90hPl6 I/t/RizRgHdmm9rVr/441a3n/DluZSE= X-MC-Unique: GZ6hefJfMYSGLLCoqUfEhA-1 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: mst@redhat.com Cc: elic@nvidia.com, Zhu Lingshan , Si-Wei Liu , qemu-devel@nongnu.org, Jason Wang , Cindy Lu , Gautam Dawar , leiyang@redhat.com Subject: [PATCH] vdpa: fix VHOST_BACKEND_F_IOTLB_ASID flag check Date: Tue, 17 Jan 2023 11:53:08 +0100 Message-Id: <20230117105308.1337120-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=eperezma@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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1673952808575100001 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 P=C3=A9rez Acked-by: Jason Wang Reviewed-by: Laurent Vivier Reviewed-by: Michael S. Tsirkin --- Originally on SUSPEND series, but it is a fix that it is worth to send and apply individually: https://lists.nongnu.org/archive/html/qemu-devel/2023-01/msg02574.html --- 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 1a13a34d35..de5ed8ff22 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