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Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_io
From: |
Peter Xu |
Subject: |
Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier |
Date: |
Tue, 21 Jul 2020 11:10:42 -0400 |
On Tue, Jul 21, 2020 at 02:20:01PM +0800, Jason Wang wrote:
>
> 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.
Should be pretty safe for now, but I agree it seems optional (as we've
discussed about this previously). Thanks,
--
Peter Xu
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, (continued)
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Peter Xu, 2020/07/09
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Jason Wang, 2020/07/10
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Peter Xu, 2020/07/10
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Jason Wang, 2020/07/13
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Peter Xu, 2020/07/15
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Jason Wang, 2020/07/15
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Peter Xu, 2020/07/17
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Jason Wang, 2020/07/20
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Peter Xu, 2020/07/20
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Jason Wang, 2020/07/21
- Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier,
Peter Xu <=
Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier, Jason Wang, 2020/07/01