Re: [PATCH 1/8] jump_label: no need to acquire the jump_label_mutex in jump_lable_init()

From: Peter Zijlstra
Date: Thu Aug 20 2015 - 14:29:21 EST


On Thu, Aug 20, 2015 at 08:14:29PM +0800, Kevin Hao wrote:
> The jump_label_init() run in a very early stage, even before the
> sched_init(). So there is no chance for concurrent access of the
> jump label table.

It also doesn't hurt to have it. Its better to be consistent and
conservative with locking unless there is a pressing need.
--
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/