Commit ce2b6022 authored by Ricardo Koller's avatar Ricardo Koller Committed by Oliver Upton
Browse files

KVM: arm64: Add kvm_uninit_stage2_mmu() 



Add kvm_uninit_stage2_mmu() and move kvm_free_stage2_pgd() into it. A
future commit will add some more things to do inside of
kvm_uninit_stage2_mmu().

Signed-off-by: default avatarRicardo Koller <ricarkol@google.com>
Reviewed-by: default avatarShaoqin Huang <shahuang@redhat.com>
Reviewed-by: default avatarGavin Shan <gshan@redhat.com>
Link: https://lore.kernel.org/r/20230426172330.1439644-9-ricarkol@google.com


Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
parent 6bd92b9d

arch/arm64/include/asm/kvm_mmu.h

+1 −0
Original line number Diff line number Diff line
@@ -172,6 +172,7 @@ void __init free_hyp_pgds(void); 


void stage2_unmap_vm(struct kvm *kvm);

int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long type);

void kvm_uninit_stage2_mmu(struct kvm *kvm);

void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu);

int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,

			  phys_addr_t pa, unsigned long size, bool writable);

arch/arm64/kvm/mmu.c

+6 −1
Original line number Diff line number Diff line
@@ -790,6 +790,11 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long t 
	return err;

}



void kvm_uninit_stage2_mmu(struct kvm *kvm)

{

	kvm_free_stage2_pgd(&kvm->arch.mmu);

}



static void stage2_unmap_memslot(struct kvm *kvm,

				 struct kvm_memory_slot *memslot)

{
@@ -1893,7 +1898,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) 


void kvm_arch_flush_shadow_all(struct kvm *kvm)

{

	kvm_free_stage2_pgd(&kvm->arch.mmu);

	kvm_uninit_stage2_mmu(kvm);

}



void kvm_arch_flush_shadow_memslot(struct kvm *kvm,