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SubjectRe: [PATCH 1/3] KVM: VMX: Introduce per-VM I/O permission bitmaps
Since these pages are typically not used, can we allocate them conditionally?

On Fri, May 11, 2018 at 8:39 AM, Konrad Rzeszutek Wilk
<konrad.wilk@oracle.com> wrote:
>> /*
>> - * A vmexit (to either L1 hypervisor or L0 userspace) is always needed
>> - * for I/O port accesses.
>> + * Merging of IO bitmap not currently supported.
>
> s/not/is not/
>
> And with that
>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
>
> Thank you!
>> + * Rather, exit every time.
>> */
>> exec_control &= ~CPU_BASED_USE_IO_BITMAPS;
>> exec_control |= CPU_BASED_UNCOND_IO_EXITING;
>> --
>> 2.7.4
>>

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