diff options
| author | Fabiano Rosas <farosas@linux.ibm.com> | 2021-02-05 19:41:54 +0300 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2021-02-10 08:19:36 +0300 |
| commit | a722076e947023a0d6ffca79661324c45ff30641 (patch) | |
| tree | 0df849c59b97c425c77afa2fdc45d8bbd6d2af59 /arch/powerpc/include | |
| parent | 25edcc50d76c834479d11fcc7de46f3da4d95121 (diff) | |
| download | linux-a722076e947023a0d6ffca79661324c45ff30641.tar.xz | |
KVM: PPC: Don't always report hash MMU capability for P9 < DD2.2
These machines don't support running both MMU types at the same time,
so remove the KVM_CAP_PPC_MMU_HASH_V3 capability when the host is
using Radix MMU.
[paulus@ozlabs.org - added defensive check on
kvmppc_hv_ops->hash_v3_possible]
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 13c39d24dda5..df4bda867bab 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -315,6 +315,7 @@ struct kvmppc_ops { int (*enable_svm)(struct kvm *kvm); int (*svm_off)(struct kvm *kvm); int (*enable_dawr1)(struct kvm *kvm); + bool (*hash_v3_possible)(void); }; extern struct kvmppc_ops *kvmppc_hv_ops; |