Re: [Xen-devel] [PATCH v4] hvm: vmx/svm_cpu_up_prepare should be called only once

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Boris Ostrovsky [mailto:boris.ostrovsky@xxxxxxxxxx]
> Sent: Tuesday, August 22, 2017 10:08 AM
> 
> These routines are first called via CPU_UP_PREPARE notifier by
> the BSP and then by the booting ASP from vmx_cpu_up()/_svm_cpu_up().
> 
> Avoid the unnecessary second call. Because BSP doesn't go through
> CPU_UP_PREPARE it is a special case. We pass 'bsp' flag to newly
> added _vmx_cpu_up() (just like it's already done for _svm_cpu_up())
> so they can decide whether or not to call vmx/svm_cpu_up_prepare().
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Reported-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

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