Re: [PATCH v3 2/2] vhost/vsock: keep IOTLB across feature updates

Jia Jia <[email protected]>
Newsgroups org.kernel.vger.kvm,dev.linux.lists.virtualization,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID <[email protected]> 
> Do we need a Fixes tag here?

I overlooked the Fixes tag. Thanks for pointing that out. I will add:

Fixes: e13a6915a03f ("vhost/vsock: add IOTLB API support")

> Do we need to do the same in vhost-net too?

Yes, vhost-net has the same IOTLB lifecycle issue. I previously posted a
separate patch for vhost-net:

https://lore.kernel.org/all/[email protected]/

I will update that patch in the next version to use the common IOTLB
teardown handling for the ACCESS_PLATFORM transition, while retaining
the vhost-net-specific checks for IN_ORDER and other unsafe feature
changes.

Thanks,
Jia
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