diff options
| -rw-r--r-- | arch/loongarch/include/asm/kvm_host.h | 3 | ||||
| -rw-r--r-- | arch/loongarch/kvm/mmu.c | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h index 32c4948f534f..309ce329b747 100644 --- a/arch/loongarch/include/asm/kvm_host.h +++ b/arch/loongarch/include/asm/kvm_host.h @@ -37,6 +37,9 @@ #define KVM_GUESTDBG_VALID_MASK \ (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP | KVM_GUESTDBG_SINGLESTEP) +#define KVM_DIRTY_LOG_MANUAL_CAPS \ + (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | KVM_DIRTY_LOG_INITIALLY_SET) + struct kvm_vm_stat { struct kvm_vm_stat_generic generic; u64 pages; diff --git a/arch/loongarch/kvm/mmu.c b/arch/loongarch/kvm/mmu.c index f1ed1c5296cf..1057bb984ba0 100644 --- a/arch/loongarch/kvm/mmu.c +++ b/arch/loongarch/kvm/mmu.c @@ -467,6 +467,13 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, * kvm_arch_flush_shadow_memslot() */ if (!(old_flags & KVM_MEM_LOG_DIRTY_PAGES) && log_dirty_pages) { + /* + * Initially-all-set does not require write protecting any page + * because they're all assumed to be dirty. + */ + if (kvm_dirty_log_manual_protect_and_init_set(kvm)) + return; + spin_lock(&kvm->mmu_lock); /* Write protect GPA page table entries */ needs_flush = kvm_mkclean_gpa_pt(kvm, new->base_gfn, |