Feb. 17, 2013
5:37 a.m.
On Fri, Feb 15, 2013 at 3:52 PM, buyitian <buyit@live.cn> wrote:
is it possible that printk cause deadlock? the path is as below:
1. taskA runs on CPU0, and run schedule to acqire the rq->lock. 2. taskA calls printk while holding rq->lock.
I began to get rusty on this...but, why do you grab run queue lock? -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com