Re: [PATCH kernel v8 00/10] powerpc/kvm/vfio: Enable in-kernel acceleration

[David Gibson <david@gibson.dropbear.id.au>]

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On Tue, Mar 14, 2017 at 11:54:03AM +1100, Alexey Kardashevskiy wrote:
> On 10/03/17 15:48, David Gibson wrote:
> > On Fri, Mar 10, 2017 at 02:53:27PM +1100, Alexey Kardashevskiy wrote:
> >> This is my current queue of patches to add acceleration of TCE
> >> updates in KVM.
> >>
> >> This is based on Linus'es tree sha1 c1aa905a304e.
> > 
> > I think we're finally there - I've now sent an R-b for all patches.
> 
> Thanks for the patience.
> 
> 
> I supposed in order to proceed now I need an ack from Alex, correct?

That, or simply for him to merge it.

> 
> 
> > 
> > 
> >>
> >> Please comment. Thanks.
> >>
> >> Changes:
> >> v8:
> >> * kept fixing oddities with error handling in 10/10
> >>
> >> v7:
> >> * added realmode's WARN_ON_ONCE_RM in arch/powerpc/kvm/book3s_64_vio_hv.c
> >>
> >> v6:
> >> * reworked the last patch in terms of error handling and parameters checking
> >>
> >> v5:
> >> * replaced "KVM: PPC: Separate TCE validation from update" with
> >> "KVM: PPC: iommu: Unify TCE checking"
> >> * changed already reviewed "powerpc/iommu/vfio_spapr_tce: Cleanup iommu_table disposal"
> >> * reworked "KVM: PPC: VFIO: Add in-kernel acceleration for VFIO"
> >> * more details in individual commit logs
> >>
> >> v4:
> >> * addressed comments from v3
> >> * updated subject lines with correct component names
> >> * regrouped the patchset in order:
> >> 	- powerpc fixes;
> >> 	- vfio_spapr_tce driver fixes;
> >> 	- KVM/PPC fixes;
> >> 	- KVM+PPC+VFIO;
> >> * everything except last 2 patches have "Reviewed-By: David"
> >>
> >> v3:
> >> * there was no full repost, only last patch was posted
> >>
> >> v2:
> >> * 11/11 reworked to use new notifiers, it is rather RFC as it still has
> >> a issue;
> >> * got 09/11, 10/11 to use notifiers in 11/11;
> >> * added rb: David to most of patches and added a comment in 05/11.
> >>
> >> Alexey Kardashevskiy (10):
> >>   powerpc/mmu: Add real mode support for IOMMU preregistered memory
> >>   powerpc/powernv/iommu: Add real mode version of
> >>     iommu_table_ops::exchange()
> >>   powerpc/iommu/vfio_spapr_tce: Cleanup iommu_table disposal
> >>   powerpc/vfio_spapr_tce: Add reference counting to iommu_table
> >>   KVM: PPC: Reserve KVM_CAP_SPAPR_TCE_VFIO capability number
> >>   KVM: PPC: Enable IOMMU_API for KVM_BOOK3S_64 permanently
> >>   KVM: PPC: Pass kvm* to kvmppc_find_table()
> >>   KVM: PPC: Use preregistered memory API to access TCE list
> >>   KVM: PPC: iommu: Unify TCE checking
> >>   KVM: PPC: VFIO: Add in-kernel acceleration for VFIO
> >>
> >>  Documentation/virtual/kvm/devices/vfio.txt |  22 +-
> >>  arch/powerpc/include/asm/iommu.h           |  32 ++-
> >>  arch/powerpc/include/asm/kvm_host.h        |   8 +
> >>  arch/powerpc/include/asm/kvm_ppc.h         |  12 +-
> >>  arch/powerpc/include/asm/mmu_context.h     |   4 +
> >>  include/uapi/linux/kvm.h                   |   9 +
> >>  arch/powerpc/kernel/iommu.c                |  86 +++++---
> >>  arch/powerpc/kvm/book3s_64_vio.c           | 330 ++++++++++++++++++++++++++++-
> >>  arch/powerpc/kvm/book3s_64_vio_hv.c        | 303 ++++++++++++++++++++++----
> >>  arch/powerpc/kvm/powerpc.c                 |   2 +
> >>  arch/powerpc/mm/mmu_context_iommu.c        |  39 ++++
> >>  arch/powerpc/platforms/powernv/pci-ioda.c  |  46 ++--
> >>  arch/powerpc/platforms/powernv/pci.c       |   1 +
> >>  arch/powerpc/platforms/pseries/iommu.c     |   3 +-
> >>  arch/powerpc/platforms/pseries/vio.c       |   2 +-
> >>  drivers/vfio/vfio_iommu_spapr_tce.c        |   2 +-
> >>  virt/kvm/vfio.c                            |  60 ++++++
> >>  arch/powerpc/kvm/Kconfig                   |   1 +
> >>  18 files changed, 855 insertions(+), 107 deletions(-)
> >>
> > 
> 
> 




-- 
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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