On 09/26/2009 10:54 PM, Avi Kivity wrote:
First, I'm not sure per_cpu works for possible but not actual cpus. Second, we now eagerly allocate but lazily free, leading to lots of ifs and buts. I think the code can be cleaner by eagerly allocating and eagerly freeing.
Eager freeing requires a hotplug remove notification to the arch layer. I had done that originally, but not sure.
How does per_cpu() work when defined in a module anyway? The linker magic going on here evades a simple one-minute analysis.
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