This extends the existing H_PUT_TCE/etc in-kernel acceleration to 64bit DMA windows mapped at addresses other than zero. This accelerates huge DMA windows which pseries guests create using Dynamic DMA window (DDW) API. This does not affect VFIO yet. This depends on: 69b907297f4e list: Add lockless list traversal primitives and recently posted: powerpc: Make vmalloc_to_phys() public KVM: PPC: Add in-kernel multitce handling Please comment. Thanks! Alexey Kardashevskiy (4): KVM: PPC: Reserve KVM_CAP_SPAPR_TCE_64 capability number KVM: PPC: Add @page_shift to kvmppc_spapr_tce_table KVM: PPC: Add @offset to kvmppc_spapr_tce_table KVM: PPC: Add support for 64bit TCE windows Documentation/virtual/kvm/api.txt | 32 ++++++++++++++++++++++++++++++++ arch/powerpc/include/asm/kvm_host.h | 4 +++- arch/powerpc/include/asm/kvm_ppc.h | 2 +- arch/powerpc/include/uapi/asm/kvm.h | 9 +++++++++ arch/powerpc/kvm/book3s_64_vio.c | 35 ++++++++++++++++++++--------------- arch/powerpc/kvm/book3s_64_vio_hv.c | 22 ++++++++++++---------- arch/powerpc/kvm/powerpc.c | 25 ++++++++++++++++++++++++- include/uapi/linux/kvm.h | 3 +++ 8 files changed, 104 insertions(+), 28 deletions(-) -- 2.5.0.rc3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
