Hello, Eric. Eric W. Biederman wrote: > This patch modifies sysfs bin files so that we can remove > the bin file while they are still mapped. When the kobject > is removed we unmap the bin file and arrange for future > accesses to the mapping to receive SIGBUS. > > Implementing this prevents a nasty DOS when pci devices are > hot plugged and unplugged. Where if any of their resources > were mmaped the kernel could not free up their pci resources > or release their pci data structures. > > Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxxxxxxxx> Heh... this is so cool. I've never thought about it. I would really like more comments but other than that Acked-by: Tejun Heo <tj@xxxxxxxxxx> -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
