Re: [PATCH 0/2] Revert and rework on the metadata accelreation

[Jason Wang <jasowang@redhat.com>]

On 2019/9/7 下午11:03, Jason Gunthorpe wrote:
> On Fri, Sep 06, 2019 at 06:02:35PM +0800, Jason Wang wrote:
>> On 2019/9/5 下午9:59, Jason Gunthorpe wrote:
>>> On Thu, Sep 05, 2019 at 08:27:34PM +0800, Jason Wang wrote:
>>>> Hi:
>>>>
>>>> Per request from Michael and Jason, the metadata accelreation is
>>>> reverted in this version and rework in next version.
>>>>
>>>> Please review.
>>>>
>>>> Thanks
>>>>
>>>> Jason Wang (2):
>>>>     Revert "vhost: access vq metadata through kernel virtual address"
>>>>     vhost: re-introducing metadata acceleration through kernel virtual
>>>>       address
>>> There are a bunch of patches in the queue already that will help
>>> vhost, and I a working on one for next cycle that will help alot more
>>> too.
>>
>> I will check those patches, but if you can give me some pointers or keywords
>> it would be much appreciated.
> You can look here:
>
> https://github.com/jgunthorpe/linux/commits/mmu_notifier
>
> The first parts, the get/put are in the hmm tree, and the last part,
> the interval tree in the last commit is still a WIP, but it would
> remove alot of that code from vhost as well.
>
> Jason


Thanks a lot, will have a look at these and come back if I met any issues.