[lkml]   [2006]   [Apr]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] de_thread: Don't confuse users do_each_thread.
Oleg Nesterov <> 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).


> 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(&current->tasks, &init_task.tasks);
> + list_replace_rcu(&leader->tasks, &current->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.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-04-11 08:27    [W:0.061 / U:0.704 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site