On 3/8/2017 11:26 PM, Zhu Yanjun wrote:
It is difficult to make sure the state of the interrupt when this function is called. As such, it is safer to use spin_lock_irqsave than spin_lock_irq.
There is no reason to hold irqs and as such the code path is safe from irq context. I don't see need of this change unless you have test case which showed some issue. Regards, Santosh
