Re: [PATCH v2] KVM: VMX: drop I/O permission bitmaps
From: David Hildenbrand
Date: Tue Dec 12 2017 - 11:10:34 EST
> /*
> - * Merging of IO bitmap not currently supported.
> - * Rather, exit every time.
> + * A vmexit (to either L1 hypervisor or L0 userspace) is always needed
> + * for I/O port accesses.
> */
> exec_control &= ~CPU_BASED_USE_IO_BITMAPS;
> exec_control |= CPU_BASED_UNCOND_IO_EXITING;
>
> Thanks,
>
> Paolo
>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
--
Thanks,
David / dhildenb