[libvirt] [PATCH 5/6] hostdev: Only rollback detach of managed devices on error
Michal Privoznik
mprivozn at redhat.com
Thu Dec 17 16:28:57 UTC 2015
On 17.12.2015 16:23, Andrea Bolognani wrote:
> Since we don't detach unmanaged devices before attaching them to a
> domain, we shouldn't reattach them to rollback an error either.
> ---
> src/util/virhostdev.c | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/src/util/virhostdev.c b/src/util/virhostdev.c
> index afacd4e..c8da8e5 100644
> --- a/src/util/virhostdev.c
> +++ b/src/util/virhostdev.c
> @@ -711,12 +711,14 @@ virHostdevPreparePCIDevices(virHostdevManagerPtr hostdev_mgr,
> for (i = 0; i < virPCIDeviceListCount(pcidevs); i++) {
> virPCIDevicePtr dev = virPCIDeviceListGet(pcidevs, i);
>
> - /* NB: This doesn't actually re-bind to original driver, just
> - * unbinds from the stub driver
> - */
> - ignore_value(virPCIDeviceReattach(dev,
> - hostdev_mgr->activePCIHostdevs,
> - hostdev_mgr->inactivePCIHostdevs));
> + if (virPCIDeviceGetManaged(dev)) {
> + /* NB: This doesn't actually re-bind to original driver, just
> + * unbinds from the stub driver
> + */
> + ignore_value(virPCIDeviceReattach(dev,
> + hostdev_mgr->activePCIHostdevs,
> + hostdev_mgr->inactivePCIHostdevs));
> + }
> }
>
> cleanup:
>
This is exactly what has came to my mind when reviewing previous patch :-)
Michal
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