Re: [rfc][patch] Avoid taking global tasklist_lock for single threaded process at getrusage()

[Christoph Lameter]

On Sat, 24 Dec 2005, Oleg Nesterov wrote:

> I can't understand this. 'p' can do clone(CLONE_THREAD) immediately
> after 'if (!thread_group_empty(p))' check.

Only if p != current. As discussed later the lockless approach is 
intened to only be used if p == current.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/