On Fri, Sep 23, 2016 at 01:02:25PM +0800, Peter Xu wrote:
> V7:
> - add comments to memory_region_notify_iommu() to better clarify the
> interface [David]
> - vfio_iommu_map_notify(): remove pointless "IOMMUTLBEntry *iotlb =
> data" [David]
> - typo fix on English [David]
>
> V6:
> - use IOMMUTLBEntry directly for IOMMUNotifier.notify() [David]
> - add explicit comment for patch 1 that CHANGE should be treated as a
> MAP then an UNMAP [David]
> - add a-b for David on patch 2
>
> V5:
> - squash spapr_tce_notify_{started|stopped} into
> spapr_tce_notify_flag_changed [David]
> - in spapr_tce_notify_flag_changed: check flags against "!=
> IOMMU_NOTIFIER_NONE", but not "== IOMMU_NOTIFIER_ALL" [David]
> - add r-b for David on patch 3
>
> V4:
> - change "notifier_caps" into "notifier_flags" [David]
> - rename IOMMU_NOTIFIER_{CHANGE|INVALIDATION} with MAP/UNMAP [David]
> - introduce IOMMUOps.notify_flag_changed, to replace notify_started
> and notify_stopped [David, Paolo]
>
> V3:
> - use QLIST instead of embedding Notifier into IOMMUNotifier [Paolo]
> - fix a build error for ppc64-softmmu
>
> The idea originates from one of Alex's reply:
>
> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00254.html
>
> But after further discussions, it seems that only adding a simple type
> for notifier is not enough. This series introduced IOMMUNotifier
> struct to replace the old Notifier interface. Along with it, we can
> provide registration for one (or multiple) of the IOMMU notifications:
>
> - cache invalidations
> - entry changes
>
> This is a support material for Jason's vhost dmar patchset.
>
> Please read commit messages for detailed information. Thanks,
I think we're ready to go with this. I still think 3/3 is premature,
but I don't care that much.
Peter, thanks for your patience with my nitpicking of the interface.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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