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Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_io


From: Jason Wang
Subject: Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier
Date: Tue, 21 Jul 2020 14:20:01 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0


On 2020/7/20 下午9:03, Peter Xu wrote:
On Mon, Jul 20, 2020 at 12:02:06PM +0800, Jason Wang wrote:
Right, so there's no need to deal with unmap in vtd's replay implementation
(as what generic one did).
We don't even for now; see vtd_page_walk_info.notify_unmap.  Thanks,


Right, but I meant the vtd_address_space_unmap() in vtd_iomm_replay(). It looks to me it will trigger UNMAP notifiers.

Thanks





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