From 9955371cc014e02a1ef2d13c4aaf743d18bd66aa Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Mon, 27 Sep 2021 17:10:10 +0530 Subject: RISC-V: KVM: Implement MMU notifiers This patch implements MMU notifiers for KVM RISC-V so that Guest physical address space is in-sync with Host physical address space. This will allow swapping, page migration, etc to work transparently with KVM RISC-V. Signed-off-by: Anup Patel Acked-by: Paolo Bonzini Reviewed-by: Paolo Bonzini Reviewed-by: Alexander Graf Acked-by: Palmer Dabbelt --- arch/riscv/include/asm/kvm_host.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/riscv/include/asm/kvm_host.h') diff --git a/arch/riscv/include/asm/kvm_host.h b/arch/riscv/include/asm/kvm_host.h index 2e71a353395e..17ed90a4798e 100644 --- a/arch/riscv/include/asm/kvm_host.h +++ b/arch/riscv/include/asm/kvm_host.h @@ -196,6 +196,8 @@ static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} +#define KVM_ARCH_WANT_MMU_NOTIFIER + void __kvm_riscv_hfence_gvma_vmid_gpa(unsigned long gpa, unsigned long vmid); void __kvm_riscv_hfence_gvma_vmid(unsigned long vmid); void __kvm_riscv_hfence_gvma_gpa(unsigned long gpa); -- cgit