Re: FW: spinlocks dont work

From: Brian Gerst
Date: Fri Feb 13 2004 - 17:42:44 EST


RANDAZZO@xxxxxxxxxxx wrote:
On a uniprocessor system, with config_smp NOT Defined...

Note the following example:

driver 'A' calls spin_lock_irqsave and gets through (but does not call
..unlock).
driver 'B' calls spin_lock_irqsave and gets through???

How can B get through if A did not unlock yet?


On UP, spinlocks are no-ops.

--
Brian Gerst
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