Re: [PATCH net V2 0/4] Fix various issue of vhost

Jason Wang
2018-12-13T02:42:11Z

On 2018/12/13 上午7:31, David Miller wrote:
> From: Jason Wang <jasowang@redhat.com>
> Date: Wed, 12 Dec 2018 18:08:15 +0800
>
>> This series tries to fix various issues of vhost:
>>
>> - Patch 1 adds a missing write barrier between used idx updating and
>> logging.
>> - Patch 2-3 brings back the protection of device IOTLB through vq
>> mutex, this fixes possible use after free in device IOTLB entries.
>> - Patch 4-7 fixes the diry page logging when device IOTLB is
>> enabled. We should done through GPA instead of GIOVA, this was done
>> through intorudce HVA->GPA reverse mapping and convert HVA to GPA
>> during logging dirty pages.
>>
>> Please consider them for -stable.
>>
>> Thanks
>>
>> Changes from V1:
>> - silent compiler warning for 32bit.
>> - use mutex_trylock() on slowpath instead of mutex_lock() even on fast
>> path.
> Hello Jason.
>
> Look like Michael wants you to split out patch #4 and target
> net-next with it.
>
> So please do that and respin the first 3 patches here with Michael's
> ACKs.
>
> Thanks.

Yes, will send V3.

Thanks