diff options
| -rw-r--r-- | target/ppc/kvm.c | 17 | ||||
| -rw-r--r-- | target/ppc/kvm_ppc.h | 6 |
2 files changed, 21 insertions, 2 deletions
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 5c0e313..50b5d01 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -406,9 +406,22 @@ target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu, } } +bool kvmppc_hpt_needs_host_contiguous_pages(void) +{ + PowerPCCPU *cpu = POWERPC_CPU(first_cpu); + static struct kvm_ppc_smmu_info smmu_info; + + if (!kvm_enabled()) { + return false; + } + + kvm_get_smmu_info(cpu, &smmu_info); + return !!(smmu_info.flags & KVM_PPC_PAGE_SIZES_REAL); +} + static bool kvm_valid_page_size(uint32_t flags, long rampgsize, uint32_t shift) { - if (!(flags & KVM_PPC_PAGE_SIZES_REAL)) { + if (!kvmppc_hpt_needs_host_contiguous_pages()) { return true; } @@ -445,7 +458,7 @@ static void kvm_fixup_page_sizes(PowerPCCPU *cpu) /* If we have HV KVM, we need to forbid CI large pages if our * host page size is smaller than 64K. */ - if (smmu_info.flags & KVM_PPC_PAGE_SIZES_REAL) { + if (kvmppc_hpt_needs_host_contiguous_pages()) { if (getpagesize() >= 0x10000) { cpu->hash64_opts->flags |= PPC_HASH64_CI_LARGEPAGE; } else { diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h index e2840e1..a7ddb8a 100644 --- a/target/ppc/kvm_ppc.h +++ b/target/ppc/kvm_ppc.h @@ -70,6 +70,7 @@ int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift); int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift); bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu); +bool kvmppc_hpt_needs_host_contiguous_pages(void); bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path); #else @@ -222,6 +223,11 @@ static inline uint64_t kvmppc_rma_size(uint64_t current_size, return ram_size; } +static inline bool kvmppc_hpt_needs_host_contiguous_pages(void) +{ + return false; +} + static inline bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path) { return true; |