Re: [PATCH] Bugfix for VMI paravirt ops

Zachary Amsden
2007-04-06T00:11:32Z

Jeremy Fitzhardinge wrote:
> Zachary Amsden wrote:
>
>> Well at this point, the "proper" fix is dependent on Jeremy's
>> kmap_atomic_pte changes, which are definitely too late to pull into
>> 2.6.21. Can we just apply this patch please?
>>
>
> Hm, I think they're independent aren't they? Your fix is about making
> lazy_mmu disable interrupts; that's independent of how highpte pages get
> mapped.

No, they are totally dependent. The reason interrupts are disabled is
to stop kmap_atomic in interrupt handlers. With the kmap_atomic_pte
changes, the whole interrupt disable jibberish goes away.

Zach