Commit 756e1fc1 authored by Sean Christopherson's avatar Sean Christopherson Committed by Anup Patel
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KVM: RISC-V: Unmap stage2 mapping when deleting/moving a memslot 



Unmap stage2 page tables when a memslot is being deleted or moved.  It's
the architectures' responsibility to ensure existing mappings are removed
when kvm_arch_flush_shadow_memslot() returns.

Fixes: 9d05c1fe ("RISC-V: KVM: Implement stage2 page table programming")
Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarAnup Patel <anup.patel@wdc.com>
parent 13605725

arch/riscv/kvm/mmu.c

+6 −0
Original line number Diff line number Diff line
@@ -453,6 +453,12 @@ void kvm_arch_flush_shadow_all(struct kvm *kvm) 
void kvm_arch_flush_shadow_memslot(struct kvm *kvm,

				   struct kvm_memory_slot *slot)

{

	gpa_t gpa = slot->base_gfn << PAGE_SHIFT;

	phys_addr_t size = slot->npages << PAGE_SHIFT;



	spin_lock(&kvm->mmu_lock);

	stage2_unmap_range(kvm, gpa, size, false);

	spin_unlock(&kvm->mmu_lock);

}



void kvm_arch_commit_memory_region(struct kvm *kvm,