Simon Glass 84d3ed125a x86: mp: Allow running functions on multiple CPUs ... Add a way to run a function on a selection of CPUs. This supports either a single CPU, all CPUs, just the main CPU or just the 'APs', in Intel terminology. It works by writing into a mailbox and then waiting for the CPUs to notice it, take action and indicate they are done. When SMP is not yet enabled, this just calls the function on the main CPU. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>		2020-07-20 09:46:45 +08:00
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asm	x86: mp: Allow running functions on multiple CPUs	2020-07-20 09:46:45 +08:00