[PATCH 0/6] KVM RISC-V Sv57x4 support and HFENCE improvements

From: Anup Patel
Date: Tue Apr 12 2022 - 07:24:07 EST


This series adds Sv57x4 support for KVM RISC-V G-stage and various
HFENCE related improvements.

These patches can also be found in riscv_kvm_sv57_plus_v1 branch at:
https://github.com/avpatel/linux.git

Anup Patel (6):
RISC-V: KVM: Use G-stage name for hypervisor page table
RISC-V: KVM: Add Sv57x4 mode support for G-stage
RISC-V: KVM: Treat SBI HFENCE calls as NOPs
RISC-V: KVM: Introduce range based local HFENCE functions
RISC-V: KVM: Reduce KVM_MAX_VCPUS value
RISC-V: KVM: Add remote HFENCE functions based on VCPU requests

arch/riscv/include/asm/csr.h | 1 +
arch/riscv/include/asm/kvm_host.h | 119 ++++++--
arch/riscv/kvm/main.c | 11 +-
arch/riscv/kvm/mmu.c | 264 ++++++++---------
arch/riscv/kvm/tlb.S | 74 -----
arch/riscv/kvm/tlb.c | 456 ++++++++++++++++++++++++++++++
arch/riscv/kvm/vcpu.c | 34 ++-
arch/riscv/kvm/vcpu_exit.c | 6 +-
arch/riscv/kvm/vcpu_sbi_replace.c | 40 ++-
arch/riscv/kvm/vcpu_sbi_v01.c | 35 ++-
arch/riscv/kvm/vm.c | 8 +-
arch/riscv/kvm/vmid.c | 30 +-
12 files changed, 791 insertions(+), 287 deletions(-)
delete mode 100644 arch/riscv/kvm/tlb.S
create mode 100644 arch/riscv/kvm/tlb.c

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2.25.1