From: Jarek Poplawski <[EMAIL PROTECTED]> Date: Thu, 11 Jan 2007 08:24:28 +0100
> Yesterday I did what I should do earlier - checked > this simple way, with printk, and now I have no doubts > it's a bug: if you add or remove vlan devices with > vconfig, register_vlan_device and unregister_vlan_dev > are called by ioctl and they use and change rcu > procetded data without preemption disabled so vlan > rcu hash lists could become corrupted or find results > could be wrong. Those two operations do their modifications and changes under the RTNL semaphore, via rtnl_lock() and rtnl_unlock() which guarentees that no other modifications can occur. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
