[PATCH kernel v8 00/10] powerpc/kvm/vfio: Enable in-kernel acceleration
David Gibson
david at gibson.dropbear.id.au
Tue Mar 14 11:55:33 AEDT 2017
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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