On 09/24/2014 09:07 AM, Bryan O'Donoghue wrote:
>>
>> So __flush_tlb_all(); will do nothing but that's OK since load_cr3()
>> already flushed the TLB - including any PTE with PGE set
> 
> I take your point though.
> 
> It's probably better to be explicit and do the whole
> 
> if (quark)
>     __flush_tlb();
> else
>     __flush_tlb_all();
> 
> So that we aren't relying on the side effects of the previous statement.
> 

Well, we need a comment at least.

        -hpa


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