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| author | Paul Mackerras <paulus@ozlabs.org> | 2018-10-08 16:30:57 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-09 16:04:27 +1100 |
| commit | 9a94d3ee2d159927c0f8e5078228eadbce8dda43 (patch) | |
| tree | 20dbb1c493144d67afcb70d735942123db543f24 /arch/powerpc/kvm/book3s_hv.c | |
| parent | 32eb150aee8dce5076638ebafe53732276c9f28e (diff) | |
| download | linux-9a94d3ee2d159927c0f8e5078228eadbce8dda43.tar.bz2 | |
KVM: PPC: Book3S HV: Add a debugfs file to dump radix mappings
This adds a file called 'radix' in the debugfs directory for the
guest, which when read gives all of the valid leaf PTEs in the
partition-scoped radix tree for a radix guest, in human-readable
format. It is analogous to the existing 'htab' file which dumps
the HPT entries for a HPT guest.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 3334ed9e17e8..deaca0135aba 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -4485,6 +4485,8 @@ static int kvmppc_core_init_vm_hv(struct kvm *kvm) snprintf(buf, sizeof(buf), "vm%d", current->pid); kvm->arch.debugfs_dir = debugfs_create_dir(buf, kvm_debugfs_dir); kvmppc_mmu_debugfs_init(kvm); + if (radix_enabled()) + kvmhv_radix_debugfs_init(kvm); return 0; } |