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Oleg Nesterov <oleg@tv-sign.ru> writes: > On 04/10, Eric W. Biederman wrote:>>>> I believe this is 2.6.17 material as the bug is present in >> 2.6.17-rc1 and the fix is simple.>>>> ...>>>> + list_del_init(&leader->tasks);>> I beleive this is ok for 2.6.17-rc1, but this breaks lockless > for_each_process/while_each_thread (I am talking about -mm tree). Agreed. > Andrew, could you please drop these ones:>> task-make-task-list-manipulations-rcu-safe-fix.patch > task-make-task-list-manipulations-rcu-safe-fix-fix.patch > > Then we need this "patch" for de_thread: > > - list_add_tail_rcu(¤t->tasks, &init_task.tasks); > + list_replace_rcu(&leader->tasks, ¤t->tasks); > ... > - list_del_init(&leader->tasks); > > Currently I don't know how the code looks in -mm tree, I lost the plot. Since the patches don't conflict on context I bet they are all in there, at the moment. I am just about to see if I can sort that out. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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