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. > > 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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