On Sun, Dec 2, 2012 at 6:59 PM, Joseph Lo wrote:
> Considering the chance that two CPU come into cpuidle_enter_state_coupled at
> very close time. The 1st CPU increases the waiting count and the 2nd CPU do
> the
> same thing right away. The 2nd CPU found the 1st CPU already in waiting then
> prep
Considering the chance that two CPU come into cpuidle_enter_state_coupled at
very close time. The 1st CPU increases the waiting count and the 2nd CPU do the
same thing right away. The 2nd CPU found the 1st CPU already in waiting then
prepare to poke it.
Before the 2nd CPU to poke 1st CPU, the 1st
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