Re: [PATCH] kernel/timer.c: using spin_lock_irqsave instead of spin_lock + local_irq_save, especially when CONFIG_LOCKDEP not defined

[Chen Gang]

On 06/19/2013 05:59 PM, Thomas Gleixner wrote:
> I'm well aware how that works. And there is no difference whether you
> do:
> 
>       local_irq_save(flags);
>       spin_lock(&lock);
> or
>       spin_lock_irqsave(&lock, flags);

if CONFIG_LOCKDEP is not defined, they are not semantically the same.


Thanks.
-- 
Chen Gang

Asianux Corporation
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