On Tue, Jul 08, 2014 at 05:01:51PM +0800, Lai Jiangshan wrote:
> On 07/08/2014 06:38 AM, Paul E. McKenney wrote:
> > From: "Paul E. McKenney"
> >
> > The explicit local_irq_save() in __lock_task_sighand() is needed to avoid
> > a potential deadlock condition, as noted in a841796f11c90d53 (signal:
On 07/08/2014 06:38 AM, Paul E. McKenney wrote:
> From: "Paul E. McKenney"
>
> The explicit local_irq_save() in __lock_task_sighand() is needed to avoid
> a potential deadlock condition, as noted in a841796f11c90d53 (signal:
> align __lock_task_sighand() irq disabling and RCU). However, someone
From: "Paul E. McKenney"
The explicit local_irq_save() in __lock_task_sighand() is needed to avoid
a potential deadlock condition, as noted in a841796f11c90d53 (signal:
align __lock_task_sighand() irq disabling and RCU). However, someone
reading the code might be forgiven for concluding that thi
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