From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42803) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aOQnO-0003rT-TE for qemu-devel@nongnu.org; Wed, 27 Jan 2016 09:10:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aOQnK-00061z-Su for qemu-devel@nongnu.org; Wed, 27 Jan 2016 09:10:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45973) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aOQnK-00061q-Nf for qemu-devel@nongnu.org; Wed, 27 Jan 2016 09:10:02 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id 570C0C1C7B84 for ; Wed, 27 Jan 2016 14:10:02 +0000 (UTC) From: Gerd Hoffmann Date: Wed, 27 Jan 2016 15:09:58 +0100 Message-Id: <1453903798-28857-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH v2] virtio-pci: call pci reset variant when guest clears status. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: lprosek@redhat.com, Gerd Hoffmann , "Michael S. Tsirkin" Actually fixes linux not finding virtio 1.0 device virtqueues after reboot. Which is new I think, any chance linux kernel virtio code became more strict in 4.3? Signed-off-by: Gerd Hoffmann --- hw/virtio/virtio-pci.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 94667e6..8213d94 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -47,6 +47,7 @@ static void virtio_pci_bus_new(VirtioBusState *bus, size_t bus_size, VirtIOPCIProxy *dev); +static void virtio_pci_reset(DeviceState *qdev); /* virtio device */ /* DeviceState to VirtIOPCIProxy. For use off data-path. TODO: use QOM. */ @@ -432,8 +433,7 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val) } if (vdev->status == 0) { - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } /* Linux before 2.6.34 drives the device without enabling @@ -1351,8 +1351,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr addr, } if (vdev->status == 0) { - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } break; -- 1.8.3.1