Messages in this thread | | | Date | Thu, 10 Jun 2010 08:34:32 -0700 | From | Jesse Barnes <> | Subject | Re: [PATCH for-2.6.35] virtio-pci: disable msi at startup |
| |
On Thu, 10 Jun 2010 18:22:52 +0300 "Michael S. Tsirkin" <mst@redhat.com> wrote:
> virtio-pci resets the device at startup by writing to the status > register, but this does not clear the pci config space, > specifically msi enable status which affects register > layout. > > This breaks things like kdump when they try to use e.g. virtio-blk. > > Fix by forcing msi off at startup. Since pci.c already has > a routine to do this, we export and use it instead of duplicating code. > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> > Tested-by: Vivek Goyal <vgoyal@redhat.com> > Cc: Jesse Barnes <jbarnes@virtuousgeek.org> > Cc: linux-pci@vger.kernel.org > ---
Yeah, looks fine.
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
-- Jesse Barnes, Intel Open Source Technology Center
| |