On Mon, Aug 03, 2015 at 08:26:40AM +, Wang, Biao wrote:
> Consider the following case:
> Task A trigger lmk with a lock held, while task B try to get this lock, but
> unfortunately B is the very culprit task lmk select to kill. Then B will
> never be killed, and A will forever select B to kil
Consider the following case:
Task A trigger lmk with a lock held, while task B try to get this lock, but
unfortunately B is the very culprit task lmk select to kill. Then B will never
be killed, and A will forever select B to kill.
Such dead lock will trigger softlock up issue.
This patch try to