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Date: Mon, 9 Sep 2019 10:29:04 +0800
From: Jason Wang <jasowang@...hat.com>
To: Jason Gunthorpe <jgg@...lanox.com>
Cc: "mst@...hat.com" <mst@...hat.com>,
"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
"virtualization@...ts.linux-foundation.org"
<virtualization@...ts.linux-foundation.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"aarcange@...hat.com" <aarcange@...hat.com>,
"jglisse@...hat.com" <jglisse@...hat.com>,
"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH 0/2] Revert and rework on the metadata accelreation
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.
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