Re: [PATCH v7 2/8] x86/flush_tlb: try flush_tlb_single one by onein flush_tlb_range

[Alex Shi]

>

> Assuming 'end' is not inclusive (you didn't clarify that),
> 
>        if (start != TLB_FLUSH_ALL && (end - start) <= PAGE_SIZE) {
> 
> (and only if 'start' is guaranteed to be page aligned).
> 
>> +               args->op.cmd = MMUEXT_INVLPG_MULTI;
>>                 args->op.arg1.linear_addr = start;
>> +       }
>>
>> So, above it correct code for xen?
>> As to the xen optimisation of flush range, it is may better to be done
>> in a separate patch.
> 
> Agreed.
> 
> Jan
> 


Thanks for comments.

this the updated patch according to your suggestion.

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