From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: [PATCH v6 28/46] vhost: make features 64 bit Date: Thu, 27 Nov 2014 22:10:10 +0200 Message-ID: <1417118789-18231-29-git-send-email-mst@redhat.com> References: <1417118789-18231-1-git-send-email-mst@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1417118789-18231-1-git-send-email-mst@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: linux-kernel@vger.kernel.org Cc: thuth@linux.vnet.ibm.com, kvm@vger.kernel.org, rusty@au1.ibm.com, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, dahi@linux.vnet.ibm.com, pbonzini@redhat.com, David Miller List-Id: virtualization@lists.linuxfoundation.org We need to use bit 32 for virtio 1.0 Signed-off-by: Michael S. Tsirkin --- drivers/vhost/vhost.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 3eda654..c624b09 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -106,7 +106,7 @@ struct vhost_virtqueue { /* Protected by virtqueue mutex. */ struct vhost_memory *memory; void *private_data; - unsigned acked_features; + u64 acked_features; /* Log write descriptors */ void __user *log_base; struct vhost_log *log; @@ -174,6 +174,6 @@ enum { static inline int vhost_has_feature(struct vhost_virtqueue *vq, int bit) { - return vq->acked_features & (1 << bit); + return vq->acked_features & (1ULL << bit); } #endif -- MST