Re: [PATCH] Fix the race between smp_call_function and CPU booting
From
Peter Zijlstra <>
Date
Mon, 12 Mar 2012 10:58:27 +0100
On Mon, 2012-03-12 at 09:27 +0000, Liu, Chuansheng wrote: > The solution is just to send smp call to active cpus instead of online > cpus.
BTW, that solution is broken because !active cpus can still be online and actually running stuff, so sending IPIs to them is perfectly fine and actually required.