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

Message

Anup Patel April 12, 2022, 10:07 a.m. UTC

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