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Old 03-23-2011, 10:21 AM   #1
littertiger
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Question why lock protected var without volatile?

In linux kernel, semaphore/spin_lock protected var normally don't labelled as volatile. Why? var should prevent compiler to put it in register, correct?
 
Old 03-25-2011, 04:44 PM   #2
accessory2008
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No. Most variables are on the stack in the memory.
 
  


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