On Tue, 6 Mar 2001, Manoj Sontakke wrote:
> 1. when spin_lock_irqsave() function is called the subsequent code is
> executed untill spin_unloc_irqrestore()is called. is this right?
Yes. The protected code will not be interrupted, or simultaneously
executed by another CPU.
> 2. is this sequence valid?
> spin_lock_irqsave(a,b);
> spin_lock_irqsave(c,d);
Yes, as long as it is followed by:
spin_unlock_irqrestore(c, d);
spin_unlock_irqrestore(a, b);
Nigel Gamble [EMAIL PROTECTED]
Mountain View, CA, USA. http://www.nrg.org/
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