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| author | Radim Krčmář <[email protected]> | 2016-11-29 14:26:55 +0100 |
|---|---|---|
| committer | Radim Krčmář <[email protected]> | 2016-11-29 14:26:55 +0100 |
| commit | ffcb09f27f46ea21305c7846de1fd3b76e4e6a6f (patch) | |
| tree | 7c0e2b94dfd54811714ad06705bf80df39a1f4e5 /arch/powerpc/kvm/powerpc.c | |
| parent | bf65014d0b89b4e315f216f1f65b0d3410efcdc0 (diff) | |
| parent | 6ccad8cea5bcb0660f56677a5fdc52265f8ddf76 (diff) | |
Merge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
PPC KVM update for 4.10:
* Support for KVM guests on POWER9 using the hashed page table MMU.
* Updates and improvements to the halt-polling support on PPC, from
Suraj Jitindar Singh.
* An optimization to speed up emulated MMIO, from Yongji Xie.
* Various other minor cleanups.
Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 70963c845e96..efd1183a6b16 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -536,7 +536,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) #ifdef CONFIG_PPC_BOOK3S_64 case KVM_CAP_SPAPR_TCE: case KVM_CAP_SPAPR_TCE_64: - case KVM_CAP_PPC_ALLOC_HTAB: case KVM_CAP_PPC_RTAS: case KVM_CAP_PPC_FIXUP_HCALL: case KVM_CAP_PPC_ENABLE_HCALL: @@ -545,13 +544,20 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) #endif r = 1; break; + + case KVM_CAP_PPC_ALLOC_HTAB: + r = hv_enabled; + break; #endif /* CONFIG_PPC_BOOK3S_64 */ #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE case KVM_CAP_PPC_SMT: - if (hv_enabled) - r = threads_per_subcore; - else - r = 0; + r = 0; + if (hv_enabled) { + if (cpu_has_feature(CPU_FTR_ARCH_300)) + r = 1; + else + r = threads_per_subcore; + } break; case KVM_CAP_PPC_RMA: r = 0; |