[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] Re: [PATCH] virtio-pci: fix bus master bug setting on load
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] Re: [PATCH] virtio-pci: fix bus master bug setting on load |
Date: |
Thu, 17 Jun 2010 18:24:31 +0300 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
On Thu, Jun 17, 2010 at 09:15:02AM -0600, Alex Williamson wrote:
> The comment suggests we're checking for the driver in the ready
> state and bus master disabled, but the code is checking that it's
> not in the ready state.
>
> Signed-off-by: Alex Williamson <address@hidden>
> Found-by: Amit Shah <address@hidden>
Acked-by: Michael S. Tsirkin <address@hidden>
> ---
>
> hw/virtio-pci.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
> index e101fa0..7a86a81 100644
> --- a/hw/virtio-pci.c
> +++ b/hw/virtio-pci.c
> @@ -155,7 +155,7 @@ static int virtio_pci_load_config(void * opaque, QEMUFile
> *f)
>
> /* Try to find out if the guest has bus master disabled, but is
> in ready state. Then we have a buggy guest OS. */
> - if (!(proxy->vdev->status & VIRTIO_CONFIG_S_DRIVER_OK) &&
> + if ((proxy->vdev->status & VIRTIO_CONFIG_S_DRIVER_OK) &&
> !(proxy->pci_dev.config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
> proxy->bugs |= VIRTIO_PCI_BUG_BUS_MASTER;
> }