From: Wei Liu <wei.liu2@xxxxxxxxxx> Date: Thu, 28 Nov 2013 13:13:46 +0000 > On Thu, Nov 28, 2013 at 01:08:53PM +0000, Ian Campbell wrote: >> On Thu, 2013-11-28 at 12:48 +0000, Wei Liu wrote: >> > With the introduction of "xen-netback: Don't destroy the netdev until >> > the vif is shut down" (upstream commit id 279f438e36), vif disconnect >> > and free are separated. However in the backported verion reference >> > counting code was not correctly modified, and the reset of vif->tx_irq >> > was lost. If frontend goes through vif life cycle more than once the >> > reference counting is skewed. >> > >> > This patch adds back the missing tx_irq reset line. It also moves >> > several lines of the reference counting code to vif_free, so the moved >> > code corresponds to the counterpart in vif_alloc, thus the reference >> > counting is balanced. >> >> Is this a requirement of the bugfix or just to make reasoning about >> things easier? >> > > The latter. I've queued this up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html