On Thu, Nov 28, 2013 at 12:48:09PM +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. > > 3.12 and onward versions are not affected by this bug, because reference > counting code was removed due to the introduction of 1:1 model. > > This pacth should be backported to all stable verions which are lower > than 3.12 and have 279f438e36. What stable versions are those? 279f438e36 showed up in 3.12-rc2, and was not marked for stable inclusion, so what kernel would end up needing this patch? confused, greg k-h -- 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