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| author | Jordan Niethe <jniethe5@gmail.com> | 2023-12-01 16:26:06 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-12-07 15:33:07 +0300 |
| commit | 7d370e1812b9a5f5cc68aaa5991bf7d31d8ff52c (patch) | |
| tree | e5209e0d6ffd7095cf094da81c185ced82267368 /arch/powerpc/include | |
| parent | 98b1cc82c4affc16f5598d4fa14b1858671b2263 (diff) | |
| download | linux-7d370e1812b9a5f5cc68aaa5991bf7d31d8ff52c.tar.xz | |
KVM: PPC: Book3S HV nestedv2: Invalidate RPT before deleting a guest
An L0 must invalidate the L2's RPT during H_GUEST_DELETE if this has not
already been done. This is a slow operation that means H_GUEST_DELETE
must return H_BUSY multiple times before completing. Invalidating the
tables before deleting the guest so there is less work for the L0 to do.
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231201132618.555031-2-vaibhav@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 4f527d09c92b..a37736ed3728 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -302,6 +302,7 @@ void kvmhv_nested_exit(void); void kvmhv_vm_nested_init(struct kvm *kvm); long kvmhv_set_partition_table(struct kvm_vcpu *vcpu); long kvmhv_copy_tofrom_guest_nested(struct kvm_vcpu *vcpu); +void kvmhv_flush_lpid(u64 lpid); void kvmhv_set_ptbl_entry(u64 lpid, u64 dw0, u64 dw1); void kvmhv_release_all_nested(struct kvm *kvm); long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu); |