Re: [Xen-devel] [PATCH 2/9] x86/vmx: Internal cleanup for MSR load/save infrastructure

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

> From: Andrew Cooper [mailto:andrew.cooper3@xxxxxxxxxx]
> Sent: Tuesday, May 22, 2018 7:21 PM
> 
>  * Use an arch_vmx_struct local variable to reduce later code volume.
>  * Use start/total instead of msr_area/msr_count.  This is in preparation for
>    more finegrained handling with later changes.
>  * Use ent/end pointers (again for preparation), and to make the
> vmx_add_msr()
>    logic easier to follow.
>  * Make the memory allocation block of vmx_add_msr() unlikely, and
> calculate
>    virt_to_maddr() just once.
> 
> No practical change to functionality.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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